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Defastra pricing: email verification API

Defastra's sitellms.txtEmail validation API: 160+ providers comparedDefastra: email verification API alternatives

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67% complete: 4 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run Defastra 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 credit one of Defastra's 6 plans
Call: POST /deep_email_check Defastra's only call for this API
API: Email verification API one of Defastra's 2 APIs

About this item

  • Live. Defastra checks the email when you call the API.
  • 4 of the 6 key fields we check. Address, Deliverability, Name, Place.
  • Nothing to pay. You get $2 of credit once, enough for about 28 calls. Calls stop once your credit runs out.
  • One call. You send email to POST /deep_email_check. You set the Content-Type header to "application/x-www-form-urlencoded". You can also send timeout and label. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

Defastra: email verification API alternatives

Defastra alternatives: every email verification API provider ranked

The table starts with Defastra's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Defastra's. Each plan in the table gives live data.

Defastra, top-up, Pay as you go, next 50,000 requests a monthTomba, $4,968 pack, Scale 600k, GET /email-verifier, Email Verifier, fullIPQualityScore, $5,999.88 yearlyLoqate, $100 pack, Pay-as-you-go $100, GET /EmailValidation/Interactive/Validate/v2.00/json6.wsPeopleSearch.im, $5 pack
$ per 1,000 emails$50.00$49.68$49.999$50.00$50.00
Completeness67%50%67%50%50%
Billingpay firstpay firstyearlypay firstpay first
Pay$2,900$4,968$5,999.88$100$5
Enough foras many as you pay for100,000 calls10,000 calls a monthas many as you pay for100 calls
Freshnesslivelivelivelivelive
Who can get itanyoneanyone 18 or overcompanies, with a business email addressanyoneanyone who can form a legally binding contract with PeopleSearch.im

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-03.

  1. docs.defastra.com/docs/data-enrichment-introduction
  2. docs.defastra.com/docs/deep-email-check-signals
  3. docs.defastra.com/docs/do-you-offer-custom-pricing-for-high-usage
  4. docs.defastra.com/docs/do-you-offer-trial
  5. docs.defastra.com/docs/fraud-prevention-introduction
  6. docs.defastra.com/docs/full-data-list
  7. docs.defastra.com/docs/how-defastra-pricing-works
  8. docs.defastra.com/docs/how-does-my-wallet-gets-debited
  9. docs.defastra.com/docs/response-time-timeout-settings
  10. docs.defastra.com/docs/what-is-a-batch
  11. docs.defastra.com/reference/authentication
  12. docs.defastra.com/reference/deep-email-check
  13. docs.defastra.com/reference/error-handling

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
  • Place
  • Company, not in the answer
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Deep Phone Check
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchRisk scoring with real-time data enrichment for email addresses.
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, mailbox
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get$2
Enough forabout 28 calls, once
Rate limit
Per second1
Batch1
Speed
Answerin the call
The call
You sendemail, Content-Type header "application/x-www-form-urlencoded". Optional: timeout, label
MethodPOST
Path/deep_email_check
About the plan
PlanFree credit
Who can get itanyone
The 63 fields the plan's answer can hold

success, request ID, wallet balance, risk level, risk score, email address, online profile count, creation date, deliverability, signals, signal name, signal result type, signal detail, online profiles, service error, is registered, name, registered at, location, reviewed count, about, school, work, trips, is verified, profile URL, picture, full name, username, country, country code, city, language, like count, answer count, online, picture last modified, answers list, bio, speaking language, user ID, sign-in methods, age, birth date, first name, last name, occupation, picture count, view count, followers, following, secondary username, Facebook URL, Twitter URL, Instagram URL, gender, Google Maps profile, in-app notification, last update, friends count, subscription status, Skype ID, has Bitmoji

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