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Fideo pricing: email verification API

Fideo's sitellms.txtEmail validation API: 160+ providers comparedFideo: email verification API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run Fideo through our email verification API benchmark yet.This plan is free. We rank 3,338 plans for email verification APIs by price. Half the plans cost $1.98 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 our benchmark.
Plan: Free trial one of Fideo's 2 plans
Call: POST /verify Fideo's only call for this API
API: Email verification API one of Fideo's 6 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • Nothing to pay. Fideo limits how many calls you get but gives no number.
  • One call. You send emails to POST /verify. You set the Content-Type header to "application/json". The call returns whether the address takes mail.
  • Who can get it: anyone who signs up for the trial. Keep data: the Subscription Term, then delete it. Use data: with conditions.

Fideo: email verification API alternatives

Fideo alternatives: every email verification API provider ranked

We list other providers' plans closest to this plan in price per 1,000 emails.

This planFideo, freeMailTester Ninja, free, No tokenEnrich.so, free, POST /email-validationGetProspect, free, POST /v2/email-verificationsSealch, free, POST /api/verifyemailverifier.dev, free
$ per 1,000 emails$0.00$0.00$0.00$0.00$0.00$0.00
Completeness33%50%50%50%17%33%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough fornot published300 calls a month100 calls, once100 results a month200 calls, once1,000 calls, once
Freshnessunknownlivelivelivelivelive
Who can get itanyone who signs up for the trialanyone 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 2026-11-04.

  1. docs.fideo.ai/docs/authorization
  2. docs.fideo.ai/docs/checks-1
  3. docs.fideo.ai/docs/create-api-key
  4. docs.fideo.ai/docs/email-checks
  5. docs.fideo.ai/docs/multi-field-inputs
  6. docs.fideo.ai/docs/network-intelligence-checks
  7. docs.fideo.ai/docs/session
  8. docs.fideo.ai/docs/signals
  9. docs.fideo.ai/docs/verify
  10. fideo.ai/
  11. fideo.ai/faq
  12. fideo.ai/legal/services-agreement

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, not in the answer
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Not found
$ per 1,000$0.00
In their words
Their pitchValidates the email’s syntax and deliverability to gauge its legitimacy.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datathe Subscription Term, then delete it
Use datasolely for the Permitted Uses, Customer will not use, and will not allow or require any Third Party End Users to use, Fideo Data or Fideo Data Services: (i) to determine any person’s employability, credit worthiness, credit standing, credit capacity, or other characteristics related to such person’s manner or mode of living, as listed in Section 603(d) of the Fair Credit Reporting Act, (ii) to make a decision by automated processing to evaluate, analyze, or predict an individual’s preferences where the decision results in the provision or denial of financial or lending services, housing, insurance, education enrollment or opportunity, criminal justice, employment opportunities, health care services, or access to essential goods or services, (iii) in any manner that violates Applicable Law, (iv) to build or support products or services that are competive with Fideo Data Services, or (v) in any manner that exceeds the scope of the licenses granted or the limits or restrictions set forth in the Agreement
Plan
Pay$0
Rate limit
Batch1
Speed
Answerin the call
The call
You sendContent-Type header "application/json", emails. Optional: phones, name.given, name.middle, name.family, location.addressLine1, location.addressLine2, location.city, location.region, location.regionCode, location.postalCode, location.country, location.countryCode, ipAddress, birthday, ssns, sessionId, globalWatchSimilarity
MethodPOST
Path/verify
About the plan
PlanFree trial
Who can get itanyone who signs up for the trial
The 19 fields the plan's answer can hold

risk score, session ID, free account, user portion pattern, email type, disposable, role address, deliverability, MX record, invalid email, never seen, first seen, last seen, check ID, check state, check name, check description, check risk, check package

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