EMAIL APPEND SERVICE

Q: What is Email Appending?

Email appending is the process of finding and adding missing email addresses to your contact list by matching names and postal addresses against a large identity database to return the most accurate email for each individual.

Q: Can You Match Emails to Older or Legacy Data?

Yes. Datazapp’s identity resolution technology is designed to match emails to older or legacy records using a proprietary identity graph to identify individuals and provide a current email address, improving match rates and associated name/address accuracy.

Q: What are the Types of Email Append Services?

Common services include business email append and consumer email append. Reverse email append starts with an email address and matches it to the corresponding name, postal address, and phone number.

Q: How Accurate Are Your Appended Emails?

Email append accuracy typically ranges from 75% to 87%. Emails are verified and scrubbed to support deliverability.

Q: How Much Does Email Appending Cost?

Email appending starts at 3 cents per verified match on a pay-as-you-go plan. Prepaid plans may offer lower rates and added benefits.

Q: What is the Turnaround Time for Email Appends?

Most email append requests submitted through the online platform are completed in under 10 minutes.

Q: Can I See How Many Emails Are Matched Before I Pay?

Yes. Every upload receives a free, no-obligation match report. No credit card or payment is required to view match results before purchasing.

Q: I want to automate email appends, do you offer an integration solution?

Yes. Datazapp offers an Email Append API for automation and integration into CRM or custom software, enabling real-time email matching and verification at scale.

Recognized as one of the best email append services in 2025

$0.03 per Verified Email Match

Enhance your marketing efforts by adding accurate, verified email addresses to your prospect, customer, donor, or mailing lists. Our email append service quickly matches emails to your existing contacts, achieving match rates up to 60%.

Leveraging our refreshed 2025 database of over 750 million emails, you can boost your ROI through effective email campaigns.

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How Email Append Works:

1. Upload Your List

And complete a simple mapping step.

2. Map your Columns

Identify the first name, last name, and address fields.

3. View Match Report

In minutes, you'll receive a no-obligation match report.

4. Purchase & Download

your list complete with email addresses for just $0.03 or less per Email!

Lower prices are available on Pre-Payment Plans.

Easy, Fast, & Affordable.

Most lists take less than 10 minutes to process.

What is an Email Append Service?

An Email Append Service adds verified email addresses to your contact list by matching them to existing names and postal addresses—helping you expand your reach through targeted email campaigns.

Who uses Email Append Services?

Marketing Agencies

Email is a low-cost high ROI lead generation strategy for engaging consumers and B2C prospects.

Political Campaigns

Expand your outreach through targeted email campaigns - ideal for fundraising, building awareness, and mobilizing supporters

Automotive

Auto Dealers use email append to acquire new customers, remarket to existing ones with service and trade-in offers, boost loyalty, and enable social media retargeting

Fundraising

Email marketing is a effective outbound strategy for nonprofits & political campaigns to drive fundraising and donor engagement.

Want to automate your email append process?
Explore our Email Append API for seamless integration

Turn-Around

Most lists process
in < 5 Minutes

Match Logic

Multi-Point Accurate Phone Matching

Premium Database

400+ million
Email Addresses

API Integration

Automate Phone
Appends via API

HOW TO APPEND EMAIL ADDRESSES:

See how to add Emails to your postal records.

HOW TO REVERSE APPEND EMAILS:

See how to add postal data to your Email records.

Email Append Service FAQ'S

What is Email Appending?

Email appending is the process of finding and adding missing email addresses to your contact list by matching names and postal addresses against our 750 million-record database to return the most accurate email for each individual.

Can You Match Emails to Older or Legacy Data?

Yes. DataZapp’s advanced identity resolution technology is designed to match emails even to older or legacy records. Our system uses a proprietary identity graph—powered by nearly 1 billion consumer records—to accurately identify individuals and provide their most current email address.

This process not only improves email match rates but also enhances the accuracy of associated name and address data.

What are the Types of Email Append Services?

The most common services are business email append and consumer email append. We also offer reverse email append, which starts with an email address and matches it to the corresponding name, postal address, and phone number.

How Accurate Are Your Appended Emails?

Our email append accuracy typically ranges from 75% to 87%. We use a proprietary matching algorithm that appends at both the individual and household levels. All emails are then verified and scrubbed to ensure up to 98% deliverability.

How Much Does Email Appending Cost?

At DataZapp.com, email appending starts at 3 cents per verified match with our pay-as-you-go plan. Prepaid plans offer even lower rates and added benefits.

👉 Check our pricing page or use the cost-calculator for a quick estimate.

What is the Turnaround Time for Email Appends?

Most email append requests submitted through our 24/7 online platform are completed in under 10 minutes.

Can I See How Many Emails Are Matched Before I Pay?

Yes. Every list you upload receives a free, no-obligation match report within 10 minutes. To get started, simply create an account at www.DataZapp.com and upload your file. No credit card or payment is required to view your detailed match results.

I want to automate email appends, do you offer an integration solution?

Yes, DataZapp offers a high-speed Email Append API specifically designed for developers and businesses looking to automate their data enrichment workflows.

Our API allows for seamless integration into your CRM or proprietary software, providing real-time email matching and verification at scale. See our API services & documentation here.