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Fuse AI pricing: email verification API

Fuse AI's sitellms.txtEmail validation API: 160+ providers comparedFuse AI: email verification API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
Contact usWe haven't run Fuse AI through our email verification API benchmark yet.Fuse AI gives this plan's price on request. 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: Usage plan Fuse AI's only plan
Call: POST /business/data/emails/verify Fuse AI's only call for this API
API: Email verification API one of Fuse AI's 4 APIs

About this item

  • Live. Fuse AI checks the email when you call the API.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • No public price. You ask Fuse AI for one.
  • One call. You send email to POST /business/data/emails/verify. You can also send the X-Idempotency-Key header. The call returns whether the address takes mail.
  • Who can get it: with conditions. Keep data: with conditions. Use data: with conditions.

Fuse AI: email verification API alternatives

Fuse AI alternatives: every email verification API provider ranked

We list other providers' plans with no public price. These plans come closest to this plan in number of key fields. Each plan in the table gives live data.

This planFuse AI, contact usListclean, contact us, Custom volume, GET /verify/email/{email}MailVeri, contact us, Enterprise, POST /verify-mails/MyEmailVerifier, contact us, Custom Quote, GET /verifier/validate_single/{email}/{API_KEY}ExactVerify, contact us, GET /v1/single
Completeness33%33%33%33%33%
Billingcontactcontactcontactcontactcontact
Freshnesslivelivelivelivelive
Who can get itpartners Fuse sets a usage plan up for on request, a key without one answers 403 API_NOT_ON_PLANanyoneanyoneanyoneanyone with a business email address

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. docs.fuseai.com/api-reference/data/verify-an-email-address.md
  2. docs.fuseai.com/concepts/credits.md
  3. docs.fuseai.com/concepts/rate-limits.md
  4. docs.fuseai.com/concepts/scopes
  5. docs.fuseai.com/guides/data-api.md
  6. fuseai.com/legal/terms-of-service
  7. fuseai.com/pricing

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
Billingcontact
Aggregators
Aggregatorsnone
In their words
Their pitchVerify whether an email address can be sent to, checked by ZeroBounce. Charged for every verdict but `unknown`, at the key's usage plan price.
Data
Freshnesslive
What it checksmailbox
Keep datauntil the Terms end: "Cease all use of Lookup Information upon termination of these Terms"
Use dataonly to identify sales opportunities, candidates for recruitment, or research existing customers and prospects, related to their profession, business, or employment [...] You may not: Replicate, sell, or exploit Lookup Information for commercial purposes without permission [...] Duplicate, copy, resell, reuse, or reverse engineer Lookup Information or any part of the Services without written consent from FuseAI [...] Commercially exploit data incorporating or using Lookup Information without permission [...] Transfer or disclose Lookup Information to third parties
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail. Optional: X-Idempotency-Key header
MethodPOST
Path/business/data/emails/verify
About the plan
PlanUsage plan
Who can get itpartners Fuse sets a usage plan up for on request, a key without one answers 403 API_NOT_ON_PLAN
The 3 fields the plan's answer can hold

email, status, credits charged

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