Phone Append API | Email Append API | Data Append API

Integrate Data Processing Capabilities Directly Into Your Business Processes

Accurate Append's automated data hygiene and data append solutions help you quickly integrate our high quality data processing capabilities directly into your business processes..

Ease of Integration

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

Works With Any Platform

Cloud based RESTful interface can be accessed from anywhere using any platform that supports HTTP.

Fast & Reliable

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

Data From The Best Sources

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

API Products

Email Append API

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


Product Info | Documentation

Phone Append API

Append quality phone numbers in real time with AccuConnect phone append.


Product Info | Documentation

Demographic Append API

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


Product Info | Documentation

Email Verification API

Reduce bounces. Verify your email addresses, in real time, before you send.


Product Info | Documentation

Lead Validation API

Validate, verify, and score leads in real time to determine if the person submitting the form is in fact a real lead.


Product Info | Documentation

Custom Solutions

After working with a number of different companies in a multitude of industries to identify their unique challenges we have successfully created a number of customized solutions. We understand that every company’s challenges are unique, so give us a call to see how our data can go to work for you.


Contact Us

Contact us for a free trial key.

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888-496-4258