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Accurate Append pricing: email verification API

Accurate Append's sitellms.txtEmail validation API: 160+ providers comparedAccurate Append: email verification API alternatives

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50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run Accurate Append through our email verification API benchmark yet.This plan is free. We rank 3,341 plans for email verification APIs by price. Half the plans cost $1.985 per 1,000 emails or less.treg's top-up from $10 is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.Disify's $9 monthly plan (/email) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.MailTester Ninja, Enrich.so and GetProspect are the best email verification API providers in the Datacircle benchmark.
Plan: Free Trial Key one of Accurate Append's 2 plans
Call: GET /ValidateEmail/{licensekey}/ Accurate Append's only call for this API
API: Email verification API one of Accurate Append's 3 APIs

About this item

  • Live. Accurate Append checks the email when you call the API.
  • 3 of the 6 key fields we check. Address, Deliverability, Company.
  • Nothing to pay. You get 500 requests. Unused requests expire after 30 days.
  • One call. You send email and verifydeliverable to GET /ValidateEmail/{licensekey}/. You set the Content-Type header to "application/json". The call returns whether the address takes mail.
  • Who can get it: anyone, no credit card required. Keep data: no limit. Use data: with conditions.

Accurate Append: email verification API alternatives

Accurate Append alternatives: every email verification API provider ranked

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives live data.

This planAccurate Append, freeMailTester Ninja, free, No tokenEnrich.so, free, POST /email-validationGetProspect, free, POST /v2/email-verificationsSealch, free, POST /api/verifyThe Data Group, free
$ per 1,000 emails$0.00$0.00$0.00$0.00$0.00$0.00
Completeness50%50%50%50%17%33%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough for500 calls300 calls a month100 calls, once100 results a month200 calls, once100 calls
Freshnesslivelivelivelivelivelive
Who can get itanyone, no credit card requiredanyone at least 18 years old, or the age of majority in their jurisdictionanyone 18 or over, on a new account, for an organization, someone with authority to bind itanyone 16 or overanyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. accurateappend.com/fair-credit-reporting-act-statement/
  2. accurateappend.com/pricing-beta/
  3. accurateappend.com/terms-of-use/
  4. docs.accurateappend.com/docs/appending-api
  5. docs.accurateappend.com/docs/mcp-overview
  6. docs.accurateappend.com/llms.txt
  7. docs.accurateappend.com/reference/validateemail

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Address
  • Deliverability
  • Confidence, not in the answer
  • Name, not in the answer
  • Place, not in the answer
  • Company
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Not found
$ per 1,000$0.00
In their words
Their pitchParse email addresses into username and domain. Detects temporary email addresses, and verifies delivery status.
Data
Freshnesslive
What it checksformat, disposable domains, mailbox
Keep datano limit
Use dataYou are prohibited from using the information you learn from search results (1) to discriminate against any consumer, (2) for the purpose of considering a consumer’s eligibility for personal credit or insurance, employment, housing, or a government license or benefit, or (3) otherwise to affect a consumer’s economic or financial status or standing.
Plan
Pay$0
You get500 requests
Enough for500 calls
Expires30 days
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail, verifydeliverable, Content-Type header "application/json"
MethodGET
Path/ValidateEmail/{licensekey}/
About the plan
PlanFree Trial Key
Who can get itanyone, no credit card required
The 10 fields the plan's answer can hold

host, request date, request IP, transaction ID, email address in, user, domain, status code, status description, status type

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