Contact Appending Services

Contact Appending Services & API to Fuel Marketing & Sales Campaigns

Join hundreds of businesses that trust Accurate Append for contact appending services for their sales, marketing and technology teams.

Free Consultation
a marketing team uses contact data to make better decisions

What is Contact Appending?

Contact appending is a process that makes an existing CRM or database better by adding new information from a larger and more complete data source. Contact appending fills missing details, such as contact information, customer preferences and demographics. These enrichment services lead to a more complete and useful contact information in your CRM or database.

Why Choose Accurate Append For Contact Appending?

 

  • Our contact appending services combine billions of data points from public records and premium partnerships, including changes of address, landline and mobile phones, emails, consumer preferences, dates of birth and more.
  • Dun & Bradstreet found that a third of businesses have lost customers or renewals due to inaccurate or incomplete data. Using contact appending helps resolve these issues.
  • Our contact appending services provide the most powerful and comprehensive solutions for your sales, marketing, and outreach needs. We offer quality, quantified.
  • You can expect improved contact rates of 20% or more using us for contact appending.
  • Reach customers and prospects accurately across more channels with contact appending.
  • Get complete data including graded phone numbers that helps marketing drive more leads and helps sales improve close rates.
Contact Us To Get Started

Contact Appending Saves Time and Makes Money

Accurate Append’s solutions are backed by decades of technology leadership and the best partnerships in the sector. We work with regulated industries, voter files, fundraising data and more — all in a secure environment with round-the-clock processing. We understand that every growing organization has different challenges that’s why all of our data match processes are customizable to your needs. Give us a call and start appending data today.

Call us at 888-979-9813 for a free consultation

Premium Contact Appending Services

Landline and Mobile
Phone Append

New Authoritative Data Source phones score and enhance your list with prioritized, verified numbers. We help you get more out of your calling campaigns.

Email
Append

With a database of 900 million emails and a triple-scrub process, our list appending services provide remarkable results.

Email
Verification

Real-time validation means better inboxing and fewer bounces for your email campaigns.

Demographic
Append

We provide several core demographic append products that will help you better understand your audience and target your campaigns.

Lead
Validation

Prioritize real leads and respond instantly with our real-time lead validation services. Validate, verify, and enhance your leads.

Address
Append

Update moves and mailing address with as little as a name, street address, city, and state. Add phone, email, and demographic information for your top audiences.

NationBuilder
App

Join hundreds of campaigns that use Accurate Append to validate, verify, and enhance voter and donor records right inside their nations. Get better results right away.

Developer API &
Real-Time Sync

Integrating customer data integrity into your business processes doesn’t have to cost hundreds of thousands of dollars. Benefit from our leading data partnerships and technology leadership today.

Expert Data Logistics for Your Success

We help organizations make the most of their time and resources by helping them append data from the best sources using the best in today’s technology. Our data matching and append algorithms provide speed, accuracy, and security to every job. It’s quality, quantified.

Your One-Stop Shop for the Best Data

Real-time processing and tens of millions of updates each month give you the edge in your sales and marketing campaigns. We’ve developed proven partnerships to give you complete and timely results every time you run a file with us.

Self-Service, Secure Batch, API, and Custom Data Match and Append Products

We can work with any file — including millions of records — and any format to provide the best results. Simply put, if you can send or upload your records, we can append data to them.

Get an Estimate
Today

Our expert data consultants can evaluate your needs to provide the best solutions, and even provide a free match report test to determine how much we can improve your contact files.


Skip Tracing Services

Premium Batch Skip Tracing Services

The highest quality skip tracing solution to provide the most accurate cell phone numbers, email addresses, postal addresses & more to complete your contact lists.

Free Consultation
real estate agent talking on a mobile phone with a client in the office sitting in front of a laptop
Skip tracing is a strategy utilized by real estate investors and other professionals, enabling them to locate property owners, tenants, or individuals associated with specific real property.

This technique is beneficial when attempting to reach property owners who may be difficult to find due to various reasons, such as absentee landlords or missing contact information.

Real estate investors & other professionals use skip-tracing services to access information that can help them identify and contact property owners or relevant parties.

Why Choose Accurate Append For Skip Tracing?

  • Our skip tracing services are powered by vast data sources and billions of data points, including public records and special partnerships. We collect various data points, like addresses, phone numbers, emails, and more, to aid your search efforts.
  • Incomplete data can be a big problem in real estate marketing, causing investors to lose out on opportunities. Adding more details to your search can help prevent this issue.
  • Our skip tracing services emphasize quality over quantity for your search needs. We provide the best mobile, landline and emails to complete your data. 
  • When you use our skip tracing services, you can expect a significant boost in your success rate, with an improvement of around 20% or more in reaching and connecting due to Right Party Rate.
  • We can assist you in reaching people accurately through various communication channels by adding their contact information.
  • Obtain verified phone numbers that work reliably, which can lead to more successful outcomes in your search and investigative efforts.
  • Batch solutions available to fit your needs
  • Perfect for Real Estate Investors
Contact Us To Get Started

We Make Skip Tracing Phone Numbers & Email Addresses Easy

Picture this: no more frustration from sending mail to outdated addresses or dialing disconnected phone numbers. Our skip tracing services gather every piece of contact information tied to a person. Their current address, phone number, email, and more are all at your fingertips.

Call us at 888-979-9813 for a free consultation

Proven Skip Tracing Solutions

Landline and Mobile
Phone Append

New Authoritative Data Source phones score and enhance your list with prioritized, verified numbers. We help you get more out of your calling campaigns.

Email
Append

With a database of 900 million emails and a triple-scrub process, our list appending services provide remarkable results.

Email
Verification

Real-time validation means better inboxing and fewer bounces for your email campaigns.

Demographic
Append

We provide several core demographic append products that will help you better understand your audience and target your campaigns.

Lead
Validation

Prioritize real leads and respond instantly with our real-time lead validation services. Validate, verify, and enhance your leads.

Address
Append

Update moves and mailing address with as little as a name, street address, city, and state. Add phone, email, and demographic information for your top audiences.

NationBuilder
App

Join hundreds of campaigns that use Accurate Append to validate, verify, and enhance voter and donor records right inside their nations. Get better results right away.

Developer API &
Real-Time Sync

Integrating customer data integrity into your business processes doesn’t have to cost hundreds of thousands of dollars. Benefit from our leading data partnerships and technology leadership today.

Expert Data Logistics for Your Success

We help organizations make the most of their time and resources by helping them append data from the best sources using the best in today’s technology. Our data matching and append algorithms provide speed, accuracy, and security to every job. It’s quality, quantified.

Your One-Stop Shop for the Best Data

Real-time processing and tens of millions of updates each month give you the edge in your sales and marketing campaigns. We’ve developed proven partnerships to give you complete and timely results every time you run a file with us.

Self-Service, Secure Batch, API, and Custom Data Match and Append Products

We can work with any file — including millions of records — and any format to provide the best results. Simply put, if you can send or upload your records, we can append data to them.

Get an Estimate
Today

Our expert data consultants can evaluate your needs to provide the best solutions, and even provide a free match report test to determine how much we can improve your contact files.


Customer Data Verification

Customer Data Verification Services & Validation API to Elevate Your Service and Sales Teams

Verify your customer data in real-time and ensure that their information is as accurate as possible. Fill in contact details, add demographics and other customer attributes.

Free Consultation

The Best Way to Verify Customer Data

Accurate Append’s customer verification and validation is the most definitive tool available to solve the question – “is my customer data good or bad?” Accurate Append will provide the answer in the form of actionable data in a matter of seconds.

Instantly Research Your Customers

We’ll tell you whether an email address or phone number is real, and enhance incomplete leads by adding name, phone number, age, email address and U.S. postal address — from minimal or incomplete form data. Actionable customer intelligence, in seconds.

Expert Support and Advice

We specialize in deep, long-lasting support customized to your needs. Your success and growth are our business model, and we’re building the customer verification products and custom solutions to prove it.


Customer Verification & Validation Solutions

All solutions listed below are available 24/7/365 as a Batch Service or real-time API.

Email
Verification

Reduce bounces and flag spam and fraud. Verify your customer email addresses, in real time, before you act.

Lead
Validation

Validate, verify and enhance leads in real-time. Enhance your customer lists with fresh emails and phone numbers.

Demographic
Append

Use our demographic append API to enhance your customer database with demographic attributes.

Reverse Append

Discover your customer’s full name and US postal address with as little as an email address or phone number.

Phone
Append

Append and score your customer’s cell phone and landline quality with Authoritative Data Source phone append.

Email
Append

Append your customer’s verified deliverable email addresses in real time with email append.

Customized Customer Data Verification to Fuel Your Success

SOC 2 and HIPAA compliant, we offer custom solutions for regulated industry and fast-growing startups alike. Our proven technology stack supports customizations and quick deployment to accelerate your customer verification and validation campaigns.

Call us at 888-979-9813 for a free consultation

Notable Partners

Easy Integrations

Integration is easy with RESTful architecture, full documentation and codes samples.

Available Where You Need It

Cloud based RESTful API interface or Batch Service can be accessed from anywhere.

Compare Our Results

With the highest possible uptime and fastest response times the service will always be available when you need it.

Top Data Logistics, Built for You

We combine the best available public data with curated, proprietary databases to give you the best, most reliable data possible.

Frequently Asked Questions About Customer Data Verification and Validation

Customer data verification is the process of confirming the accuracy and validity of the information provided by customers, such as names, addresses, and contact details like phone and email.

Clients use our APIs and batch processes to verify emails and other contact information, and to supplement lead data with additional fields including contacts and demographic information.

Accurate customer data ensures businesses can deliver products and services to the right individuals, reduce fraud, improve marketing targeting, and enhance customer experiences. Verified data helps prevent errors, wasted resources, and potential legal issues, ultimately leading to better operational efficiency and customer trust.

Contact Us To Get Started

Address Append Services

Address Appending Services for Marketing & Sales Campaigns

Starting with an email address or phone number, we provide postal and mailing address information for your marketing campaigns. Add additional demographics or premium contact data based on your needs. We now offer contact scoring for appended phone numbers to help your growing organization close more business.

Free Consultation

What are Address Append Services?

  • Address append services help add missing postal or mailing addresses to your current database. These services help businesses have accurate and up-to-date address data for their current and potential customers.
  • With Accurate Append, you can bring your own list, or start with ours using hundreds of audience-building criteria.
  • Transfer your contacts file with the data points you have, such as name and phone number. We will then provide the mailing address of the contacts.
  • Our processes integrate public and proprietary data from multiple sources to add the best address.
  • We can work with just about any file to add new contact points.
  • Our append services can build off of mobile phones, landlines, or email addresses.
  • We can append from a phone number using a “reverse phone append” to return a name and postal address.
Contact Us To Get Started

Data Logistics You Can Trust for Your Marketing Campaigns

Accurate Append is a technology company focused on service, responsiveness, and security. We make it easy to instantly understand your results and we offer free match report tests to quantify the data improvements you can expect when you partner with us.

Authoritative Data Source

You need to know you’re calling the right person, at the right number, that they are likely to answer. That’s ADS Phones — our new premium matching and scoring service for discerning marketers.

Dedicated to Your Success

We specialize in creating the best data solutions to match your needs. Our teammembers are trained in stacking products to get the very best results from your data.


Frequently Asked Questions About Address Appending

Quality marketing data and customer lists are the fuel for a growing business.

IBM and Gartner have estimated that poor data costs businesses millions of dollars in losses each year — that’s why Accurate Append offers the best average match rates for your data enhancement projects.

Our specialty is providing the very best match rates by managing the premium data waterfall for you, so you can focus on running your business.

Reverse address append is a method that uses a database to find contact details based on their address. It’s commonly used by businesses and individuals to update address lists, verify data accuracy, or gather information.

By entering an address into the service, the database checks its records to retrieve associated details like name, phone number, email, and more.

Reverse address appending services are valuable for marketing, customer outreach, and keeping contact lists current, streamlining the identification of individuals or businesses connected to specific addresses for increased efficiency and accuracy across industries. Contact us today to start reverse address appending.

Yes! Direct mail campaigns typically get better response and conversion rates than email and advertising campaigns. If you want to expand your nonprofit donor base, address appends can help. Start with name and email or phone number for your target audiences, and we can provide postal addresses for your contact lists.

Direct mail is a great marketing tool for just about any consumer-serving business. Accurate Append’s data services are a great fit for higher education, mortgage lending and other real estate businesses, travel and hospitality, healthcare services, and marketing agencies looking to improve their customer lists and conversion rates.

In order to append the best address, please provide name and either phone number or email address, or both. Our services covers the United States.

We understand working with large data sets is complicated enough as it is, so our software safely appends phone numbers to the end of your record, keeping all of the other data in the file intact.

Pricing varies depending on the number of records in your job, the number of records for which we find matches and the types of enhancements that will best serve your project. Please contact our experts for a free analysis of your data and a detailed estimate.

Yes! We will use an existing name and address to append mobile phones, landline phones and/or email addresses to your list of contacts.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Notable Partners


Reverse Phone Append Services

Reverse Phone Appending Services to Reach More Leads and Prospects

What is a reverse phone append? Our service starts with your database of customer, supporter, or prospect phone numbers. Using multiple data sources, we enrich your data with the most current and accurate postal addresses and additional information like mobile phones and customer demographics.

Free Consultation

What is a Reverse Phone Append?

  • Reverse Phone Append is a process that helps businesses find important consumer data for their leads by providing just a phone number.
  • This consumer data can contain email address, postal address, demographics, wealth data and more.
  • Our processes integrate public and proprietary data from multiple sources to add and verify additional information, from contacts to demographic and predictive data.
  • We can work with just about any file to add new contact points.
  • Our reverse phone appends cover both mobile and home phones.
Contact Us To Get Started

Data Logistics You Can Trust for Your Phone Campaigns

Accurate Append is a technology company focused on service, responsiveness, and security. We make it easy to instantly understand your results and we offer free match report tests to quantify the data improvements you can expect when you partner with us.

Authoritative Data Source

You need to know you’re calling the right person, at the right number, that they are likely to answer. That’s ADS Phones — our new premium matching and scoring service for discerning marketers.

Dedicated to Your Success

We specialize in creating the best data solutions to match your needs. Our teammembers are trained in stacking products to get the very best results from your data.


Frequently Asked Questions About Reverse Phone Appending

In order to append the information available we ask that you provide a full number plus any additional contact information from your database. Including a last name with the existing phone number is particularly effective. Our service covers the United States.

We understand working with large data sets is complicated enough as it is, so our software safely appends phone numbers to the end of your record, keeping all of the other data in the file intact.

Pricing varies depending on the number of records in your job, the number of records for which we find matches and the types of enhancements that will best serve your project. Please contact our experts for a free analysis of your data and a detailed estimate.

Yes! We will take your list of phone numbers and append additional contact information and other demographics based on your marketing campaigns.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Notable Partners


Reverse Email Append

Reverse Email Append Services To Complete Contact Data

Email is one of the most effective ways to reach leads and customers. Count on Accurate Append to improve outreach and contact rates to grow your organization. Provide email addresses in batch or through our API and we’ll enrich your contacts using reverse email appending.

Free Consultation

What is Reverse Email Append? How Do I Get Started?

  • Reverse Email Appending starts with your customer or supporter email database.
  • We use a proven process to assess your contact records and reliably match them to our premium data sources.
  • Using secure FTP or our API, we enrich matched email addresses with your desired audience information.
Contact Us To Get Started

Trusted Results

Our proven processes ensure you get back most accurate contact data for your growing organization. We make it easy to get the results you want with contactability scores and email verification.

Constant Improvement

Accurate Append is always improving our data with real-time sources and enrichments so you can count on getting the most matches and most up-to-date information on your audiences.

Premier Support for Your Campaigns

We want your ongoing business and referrals — that’s why we offer every customer expert support and the custom data solutions and advice you need to succeed.


Frequently Asked Questions About Reverse Email Appending

Your successful marketing campaign is just one step away! If you have a name and an email address, even an old email address!, we can provide additional contact information for your consumer marketing database.

Our reverse email append services are popular with growing SMEs that want to improve contact rates for email, phone, and direct mail campaigns. Provide a customer list or supporter database for with email address using secure FTP,  our API, or use the self-serve website and we’ll match and append the additional information you need to reach your target audience.

Accurate Append is continually improving our data waterfall to provide the highest quality data and the most matches through a mix of proprietary and premium partner data. Your marketing and sales projects deserve the very best. Reach current customers on more marketing channels today!

Our technology processes pinpoint the right person and their current contact information. An older address is enough to start the process and help us find the maximum number of deliverable emails for the people in your audience.

We understand working with large data sets is complicated enough as it is, so our software safely appends emails to the end of your record, keeping all of the other data in the file intact.

Yes, email verification is one of our services, and in many cases we can even add usable email addresses to records that come back as undeliverable. This service can be very helpful for updating your email database that hasn’t been used in some time, or where more and more addresses are bouncing.

Pricing is based on record count, the appends that are ordered, and how frequently files are submitted for appending.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Yes! We will use your existing email address locate the matching name and postal address. We can also match landline and mobile phone numbers if needed for your campaign.

Notable Partners


Demographic Append

Demographic Append Services & API: Understand Your Target Audience

Our demographic append services & API enhance your data with demographic attributes that help you increase the effectiveness of your marketing campaigns.

Free Consultation

What is Demographic Appending? How Can It Help Your Business?

Demographic append is the process of supplementing your customer data with information such as birth year, gender, income, credit score, education level, and other demographic aspects. Through demographic appending, businesses can benefit from the following:

  • Increase your targeting efficiency: By understanding the demographic details of your clients, you can separate them into different groups and tailor your promotional content to each.
  • Utilize customer demographics to gain insight: Studying your customers' demographics can give you valuable information about their habits and likes, which can help you discover new opportunities and enhance existing products and services. By getting to know your target market, you can create more compelling promotions that will result in increased conversions.
  • Increase ad effectiveness: Utilizing demographic data can help you pinpoint the most profitable sections of your target market and direct your marketing dollars accordingly.

Demographic appending services & API integration are an effective technique for companies attempting to gain insight into their target consumers and promote expansion.

Contact Us To Get Started

Improve Marketing Campaign Performance

Accurate Append not only appends the highest possible quality of demographic attributes but just as important, appends the right information to the right person using our proprietary Right Party Algorithm.

Identify Common Attributes For Your Best Prospects and Customers

Accurate Append maintains an industry leading demographic database allowing our customers the highest possible quality of demographic attributes appended to their lists.

Expert Support and Advice

We specialize in deep, long-lasting support customized to your needs. Your success and growth are our business model, and we’re building the products and custom solutions to prove it.

Demographic Append - Frequently Asked Questions

Our demographic append service includes characteristics such as gender, age, year of birth, years in school and education level, estimated household income, modeled credit score range, head of household, presence of children, ethnic group, marital status, voter age demographics, length of residence, median home value, and homeownership indicator.

Our demographic append service can fit the criteria you have determined will result in a successful marketing campaign. We can provide data points covering demographics, financial information, and data enrichments such as job title and other professional information about your customer database. We can also help create “lookalikes” from our expanded database of U.S. consumers, giving you more potential customers to reach with your marketing efforts, including phone, email address, and direct mail outreach.

The typical match rate is 50%.

At part of our proven process, we will test a random selection of your data to determine match rate for various demographic append products. This test will give you deeper understanding and insight into the enhancements we can provide for your customer lists and database. Our team will then provide you with a detailed estimate for your desired products.

Contact our team today to get a free evaluation of your file and the products we can offer to improve your marketing efforts. You can use our U.S. consumer marketing database to grow your customer database, or start with postal addresses, email, and names and phone numbers from your existing lists.

Most files are processed in a matter of hours.

Yes, our demographic append service is an excellent source of US voter demographics and voter age demographics.

Notable Partners


Data Append

Data Append Services to Fuel Your Organization's Growth

Join hundreds of businesses that trust Accurate Append for consumer data appending and complete contact appending services for their sales, marketing, and technology teams.

Our high-quality data append process sets us apart from other data appending companies. We make appending data easy, effective, and profitable. Get better ROI today with your sales & marketing data append.

Free Consultation

What is a Data Append?

A data append is a process that makes an existing database better by adding new information from a larger and more complete data source. Data appending helps fill in missing details, such as contact information, customer preferences and demographics. These services lead to a more complete and useful database.

Why Choose Accurate Append For Data Appending?

 

  • Our data appending services combine billions of data points from public records and premium partnerships, including changes of address, landline and mobile phones, emails, consumer preferences, dates of birth and more.
  • Dun & Bradstreet found that one third of businesses have lost customers or renewals due to incomplete data. Append data to your contacts helps resolve this.
  • Our list appending services provide the most powerful and comprehensive solutions for your sales, marketing, and outreach needs. We offer quality, quantified.
  • You can expect improved contact rates of 20% or more using our data match & append services.
  • Reach customers and prospects accurately across more channels with full contact appending.
  • Get graded phone numbers and improve close rates.
Contact Us To Get Started

Why Choose Accurate Append For Your Data Appends?

Our Data Append services enrich your customer databases, ensuring they are comprehensive and current. Discover the key benefits and features designed to enhance your business operations:

  • Rich Customer Profiles: Adds essential data elements to customer records, filling gaps and updating outdated information.
  • Targeted Marketing Efforts: Enables more precise and effective marketing strategies by providing detailed customer insights.

Data Append Features:

  • Comprehensive Data Enrichment: Expands your customer profiles with relevant data such as email addresses, demographic details, and behavioral insights.
  • Accuracy and Relevance: Ensures the data appended is accurate, relevant, and up-to-date, maximizing the utility of your customer database.

Data Append Benefits:

  • Enhanced Customer Segmentation: Allows for more accurate targeting by segmenting audiences based on detailed criteria, improving the effectiveness of marketing campaigns.
  • Personalized Customer Engagement: Helps with customized marketing communications, leading to higher engagement rates and customer loyalty.
  • Strategic Insights: Gain deeper insights into customer preferences and behavior, aiding in strategic marketing and product development.
  • Improved ROI: By targeting the right audience with the right message, data append services help optimize marketing spend and improve overall return on investment.

Our Data Append services not only broaden the scope of your customer database by adding essential information but also enhance the quality of your data. This dual advantage ensures that your marketing and sales strategies are based on comprehensive and accurate customer insights, leading to improved targeting, engagement, and business growth. 

Frequently Asked Questions About Data Appends

What is data appending?

Data appending is the process of enriching an existing database by adding missing or new information to enhance the accuracy and value of the database for targeted marketing efforts.

Why is data appending important in marketing?

Data appending is crucial for marketing because it enhances customer profiles, improves personalized marketing strategies, leads to better customer relationships, and can result in increased sales.

What are the steps involved in the data appending process?

The key steps in data appending include:

  • Auditing your current database.
  • Selecting a reliable data appending provider like Accurate Append.
  • Matching your data with the provider’s database.
  • Validating the accuracy of the appended data.
  • Integrating the new data into your marketing tactics.

What are some best practices for data appending?

Best practices include:

  • Regularly updating your database.
  • Emphasizing data quality over quantity.
  • Working with a reputable data append service like Accurate Append.

How do you choose a reputable data appending provider?

When choosing a data appending provider, look for one with a robust matching algorithm, high match rates, excellent reputation, and compliance with data protection regulations. Learn more about us here.

How often should you update your database with data appending?

You should update your database regularly, although the frequency depends on your business needs and the rate at which your data changes.

Can data appending help in understanding customer preferences?

Yes, data appending, particularly behavioral data appending, helps gain insights into customer preferences, which can inform more targeted and personalized marketing strategies.

Data Appends Save Time and Make Money

Accurate Append’s solutions are backed by decades of technology leadership and the best partnerships in the sector to append lead data. We work with regulated industries, voter files, fundraising data and more — all in a secure environment with round-the-clock processing. We understand that every growing organization has different challenges that’s why all of our data match processes are customizable to your needs. Give us a call and start appending data today.

Call us at 888-979-9813 for a free consultation

Proven Full Contact Data Appending Services

Landline and Mobile
Phone Append

New Authoritative Data Source phones score and enhance your list with prioritized, verified numbers. We help you get more out of your calling campaigns.

Email
Append

With a database of 900 million emails and a triple-scrub process, our list appending services provide remarkable results.

Email
Verification

Real-time validation means better inboxing and fewer bounces for your email campaigns.

Demographic
Append

We provide several core demographic append products that will help you better understand your audience and target your campaigns.

Lead
Validation

Prioritize real leads and respond instantly with our real-time lead validation services. Validate, verify, and enhance your leads.

Address
Append

Update moves and mailing address with as little as a name, street address, city, and state. Add phone, email, and demographic information for your top audiences.

NationBuilder
App

Join hundreds of campaigns that use Accurate Append to validate, verify, and enhance voter and donor records right inside their nations. Get better results right away.

Developer API &
Real-Time Sync

Integrating customer data integrity into your business processes doesn’t have to cost hundreds of thousands of dollars. Benefit from our leading data partnerships and technology leadership today.

Expert Data Logistics for Your Success

We help organizations make the most of their time and resources by helping them append data from the best sources using the best in today’s technology. Our data matching and append algorithms provide speed, accuracy, and security to every job. It’s quality, quantified.

Your One-Stop Shop for the Best Data

Real-time processing and tens of millions of updates each month give you the edge in your sales and marketing campaigns. We’ve developed proven partnerships to give you complete and timely results every time you run a file with us.

Self-Service, Secure Batch, API, and Custom Data Match and Append Products

We can work with any file — including millions of records — and any format to provide the best results. Simply put, if you can send or upload your records, we can append data to them.

Get an Estimate
Today

Our expert data consultants can evaluate your needs to provide the best solutions, and even provide a free match report test to determine how much we can improve your contact files.


Lead Validation

Verify Leads Faster with our Lead Validation Services

Verify and enhance your leads in real-time and ensure that you’re following up with the prospects that matter most. Fill in contact details and add demographics and other customer attributes.

Free Consultation

How To Verify Leads

Lead verification is a crucial process that carefully checks potential leads, aiming to filter out undesirable ones based on specific criteria. This process includes weeding out leads with temporary email addresses, fake phone numbers, spambots, and other invalid prospects.

This verification process is essential for ensuring that a business or organization gathers high-quality leads genuinely interested in their products or services.

In a nutshell, lead verification checks for:

  1. Temporary Addresses: It examines email addresses to identify temporary or disposable ones, which are often less trustworthy.
  2. Fake Phone Numbers: It reviews phone numbers for inconsistencies or invalid formats, ensuring that they are legitimate and functional.
  3. Spambots: It detects automated spambots that flood databases with irrelevant or malicious content, a common nuisance in lead management.
  4. Invalid Leads: Beyond the mentioned categories, it also assesses the overall validity of leads, making sure they meet basic criteria for being worthwhile prospects.

By efficiently filtering out unsuitable leads, businesses can focus on nurturing relationships with prospects more likely to become customers, optimizing their marketing and sales efforts and resource allocation. Lead verification is fundamental for maintaining a reliable lead database and enhancing overall lead generation success.

Sound complex? It can be. Accurate Append helps your company take on the lead verification process in just a few clicks.

The Best Way to Ensure Lead Authenticity

Accurate Append’s lead validation is the most definitive tool available to solve the number one problem for online marketers – “is my lead good or bad?” Accurate Append will provide the answer in the form of actionable data in a matter of seconds.

Instantly Research Your Prospects

We’ll tell you whether an email address is real, and enhance incomplete leads by adding name, phone number, age, email address and U.S. postal address — from minimal or incomplete form data. Actionable customer intelligence, in seconds.

Expert Support and Advice

We specialize in deep, long-lasting support customized to your needs. Your success and growth are our business model, and we’re building the products and custom solutions to prove it.


Lead Validation & Enhancement Solutions

All solutions listed below are available 24/7/365 as a Batch Service or real-time API.

Email
Verification

Reduce bounces and flag spam and fraud. Verify your email addresses, in real time, before you act.

Lead
Validation

Validate, verify and enhance leads in real-time. Enhance your leads with fresh emails and phone numbers.

Demographic
Append

Use our demographic append API to enhance your database with demographic attributes.

Reverse Append

Discover full name and US postal address with as little as an email address or phone number.

Phone
Append

Append and score cell phone and landline quality with Authoritative Data Source phone append.

Email
Append

Append verified deliverable email addresses in real time with AccuSend email append.

Customized to Fuel Your Success

SOC 2 and HIPAA compliant, we offer custom solutions for regulated industry and fast-growing startups alike. Our proven technology stack supports customizations and quick deployment to accelerate your projects and campaigns.

Call us at 888-979-9813 for a free consultation

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Easy Integrations

Integration is easy with RESTful architecture, full documentation and codes samples.

Available Where You Need It

Cloud based RESTful API interface or Batch Service can be accessed from anywhere.

Compare Our Results

With the highest possible uptime and fastest response times the service will always be available when you need it.

Top Data Logistics, Built for You

We combine the best available public data with curated, proprietary databases to give you the best, most reliable data possible.

Frequently Asked Questions About Lead Validation

Provide existing data using SFTP, our self-service platform, or real-time API and get back verification and additional fields based on your custom needs.

By verifying emails and phone numbers and adding additional information such as income information, you can ensure the accuracy and fit of a lead before reaching out by phone or adding lead information to your database.

Marketing and lead acquisition is one of an SMEs largest costs. By validating leads before investing sales time, you’ll not only reduce wasted time chasing poor-quality leads, you’ll gain the data you need to better target your marketing efforts.

Clients use our APIs and batch processes to verify emails and other contact information, and to supplement lead data with additional fields including contacts and demographic information.

With lead validation, you’ll quantify your marketing efforts. Straight North used an analysis of more than 373,000 inquiries to determine that 85% of customers converted on their first visit, while roughly 50-percent of “leads” were not sales inquiries. Lead validation gives you the data to successfully grow your sales and marketing efforts and invest in real returns.

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Phone Append

Phone Appending Services & API That Increase Your Right-Party Connects

Our industry-leading phone append services & API provide better phone numbers, leading to more connections and sales. Start with your leads list or customer database and get the industry’s best matches for landlines and mobiles.

Free Consultation

What are Phone Append Services?

Phone append services match names, email addresses, and mailing addresses from existing customer lists with phone data to add accurate phone numbers. These services help businesses grow by enhancing their contact lists, which leads to better marketing efforts, increased sales, and improved customer communication.

How Do I Get Started?

 

  • With Accurate Append, you can bring your own list, or start with ours using hundreds of audience-building criteria.
  • Transfer your contacts file with the data points you have, such as name and address.
  • Our processes integrate public and proprietary data from multiple sources to add, verify, and score matched numbers.
  • Our contact appending services can work with just about any file to add new data.
  • Our phone append & API services cover mobile and home phones, including grades based on how recent a number has been active.
  • We can also start with phone number to add additional information such as email addresses and even demographics.
Contact Us To Get Started

Data Logistics You Can Trust for Your Phone Campaigns

Accurate Append is a technology company focused on service, responsiveness, and security. We make it easy to instantly understand your contact appending results and we offer free match report tests to quantify the data improvements you can expect when you partner with us.

Authoritative Data Source

You need to know you’re calling the right person, at the right number, that they are likely to answer. That’s ADS Phones — our new premium matching and scoring service for discerning marketers.

Dedicated to Your Success

We specialize in creating the best data solutions to match your needs. Our teammembers are trained in stacking products to get the very best results from your data.

 

Why Pick Accurate Append For Your Phone Appends?

Our services provide a comprehensive solution to enhance your customer contact lists. Here’s how it benefits your business:

  • Complete and Current Contact Details: Adds current phone numbers to customer records, making your database complete and up-to-date.
  • Effective Communication: Ensures precise targeting and engagement, improving the reach and effectiveness of marketing campaigns.

Phone Append Features:

  • Data Matching: Compares your data against an extensive, updated database to find matching current phone numbers.
  • Verification: Confirms that numbers are active and correctly matched to individuals, enhancing accuracy.
  • Improved Contactability: Significantly reduces undelivered messages by updating old and incorrect numbers.

Phone Append Benefits:

  • Enhanced Customer Targeting: Align phone numbers with customer profiles for accurate audience segmentation, allowing for personalized marketing strategies.
  • Increased Conversion Rates: Tailored communication drives higher engagement and conversion rates.
  • Personalized Interaction: Updated contacts enable personalized communication, building trust and fostering stronger customer relationships.
  • Immediate Feedback: Offers a direct line to customers for quick feedback on products or services, leading to faster sales.

Our Phone Appending services expand your reach by increasing the number of contactable customers and significantly improving the quality of these contacts. These services ensure your marketing campaigns are efficiently targeted and more effective, directly improving your bottom line. 


Frequently Asked Questions About Phone Appending

What is phone appending?

Phone appending is the process of updating missing or outdated phone numbers in a customer database to improve communication and marketing efforts.

How does phone appending benefit a contact list?

It enhances the list by increasing contactability, reducing undeliverable messages, and improving the effectiveness of telemarketing campaigns.

Why is improved customer targeting important?

Improved customer targeting allows businesses to execute more focused campaigns and gather direct feedback, leading to better marketing results.

What is the impact of phone appending on customer communication?

Phone appending allows for personalized interaction, immediate feedback, and a direct line to the customer base, improving overall communication.

Can phone appending enhance both the quantity and quality of contacts?

Yes, phone appending not only increases the number of reachable contacts but also enhances the quality of interactions for more effective targeting and feedback.

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