Datacircle

DeepAPI pricing: email verification API

DeepAPI's siteThis page as plain textEmail validation API: best verification providers comparedDeepAPI: email verification API alternatives

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33% complete: 2 of the 6 fields on our checklistSee the 6 fields
$0.00per 1,000 emailsWe haven't run DeepAPI through our email verification API benchmark yet.This plan is free. We rank 4,391 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. See the best free email verification API plan.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. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $0.05.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.pingutil, Validemail.co and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest DeepAPI plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: $1 starting credit one of DeepAPI's 2 plans
Call: POST /v1/email/verify DeepAPI's only call for this API
API: Email verification API one of DeepAPI's 16 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 6 fields on our checklist. Deliverability, Confidence.
  • Nothing to pay. You get $1 of credit, enough for about 27 calls. Calls stop once your credit runs out.
  • One call. You send the Idempotency-Key header to POST /v1/email/verify. You set the Content-Type header to "application/json". You can also send email. The call returns whether the address takes mail.
  • Who can get it: anyone who signs up and verifies their account. Keep data: no limit. Use data: with conditions.

DeepAPI: email verification API alternatives

DeepAPI alternatives: other email verification API providers by price

The table starts with DeepAPI's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to DeepAPI's.

DeepAPI, top-upTomba, $14,580 yearly, Scale 200k, GET /email-verifier, Email Verifier, fullDropcontact, €588 yearlyPostcoder, £46 monthlyLoqate, $300 pack, Pay-as-you-go $300, GET /EmailValidation/Batch/Validate/v1.20/json6.ws
$ per 1,000 emails$36.75$36.45$36.76$36.805$37.00
Completeness33%50%33%33%50%
Billingpay firstyearlyyearlymonthlypay first
Payany amount$14,580€588£46$300
Enough foras many as you pay forabout 33,333 calls a month1,500 results a monthabout 1,666 calls a monthas many as you pay for
Freshnessunknownliveliveliveunknown
Who can get itanyone with a DeepAPI accountanyone 18 or over, on requestprofessionals acting within their activity (a natural person with the power to commit, or a legal person)anyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. deepapi.co
  2. deepapi.co/docs/pricing.md
  3. deepapi.co/docs/reference.md
  4. deepapi.co/index.md
  5. deepapi.co/llms.txt
  6. deepapi.co/openapi.json
  7. deepapi.co/terms

Product details

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

  • Address, not in the answer
  • Deliverability
  • Confidence
  • Name, not in the answer
  • Place, not in the answer
  • Company, not in the answer
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays for74 other DeepAPI calls
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchCheck one email address and return a standardized deliverability verdict, score, and compact evidence flags.
Data
What it checksformat, mail servers, disposable domains, mailbox
Keep datano limit
Use dataLawful use only. Use DeepAPI only for lawful purposes. You must comply with all laws that apply to you — including privacy, data protection, anti-spam, intellectual property, and computer misuse laws — and with any third-party terms that bind you. [...] Web data rules. DeepAPI reads only publicly available web pages, without logging in. You must not use the service, or combine it with anything else, to: access data behind a login, paywall, or other access control, or submit credentials, session cookies, or authentication tokens for any third-party site, create or use fake accounts or misrepresent your identity to any platform, bypass or attempt to bypass technical protection measures such as CAPTCHAs, login walls, IP blocks, or anti-bot systems, collect data about people to stalk, harass, dox, discriminate against, or surveil them, resell raw personal data obtained through DeepAPI as a data product, or use it in ways privacy law forbids.
Plan
Pay$0
You get$1
Enough forabout 27 calls
Rate limit
Per second166.67
Batch1
Speed
Answerin the call
The call
You sendIdempotency-Key header, Content-Type header "application/json". Optional: email
MethodPOST
Path/v1/email/verify
About the plan
Plan$1 starting credit
Who can get itanyone who signs up and verifies their account
The 13 fields the plan's answer can hold

verdict, score, syntax valid, gibberish, disposable, webmail, MX record, SMTP server, SMTP check, catch-all, blocked, source count, checked at

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