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OneShot pricing and alternatives: email verification API

OneShot's sitellms.txtBest email verification API in 2026
33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsThe cheapest of the 1,671 priced plans is treg, top-up from $10, at $0.00 per 1,000.
Plan: Starter credit one of OneShot's 4 plans
Call: POST /v1/tools/lookup/person-email-status OneShot's only call
API: Email verification API one of OneShot's 8 APIs

About this item

  • Live. The call checks the email when you make it.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • Nothing to pay. You get $1 of credit once, enough for 1,000 calls.
  • One call. You send email to POST /v1/tools/lookup/person-email-status. The call returns a job. You fetch the answer once the job is done.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

OneShot: email verification API alternatives

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

This planOneShot, freeEnrich.so, free, Free, POST /email-validationGetProspect, free, Free, POST /v2/email-verificationsKaijuVerifier, free, Free, POST /api/v1/jobsNeutrino API, free, Free, GET /email-verify
$ per 1,000$0.00$0.00$0.00$0.00$0.00
Completeness33%50%50%50%50%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for1,000 calls, once100 calls, once100 results a month100 results a monthnot published
Freshnesslivelivelivelivelive
Who can get itanyone, consumer or business, not in a country under a U.S. government embargo or on a U.S. restricted-party list, with a new personal workspace (its console claims the credit)anyone 18 or over, on a new account, for an organization, someone with authority to bind itanyone 16 or overanyoneanyone

Every email verification API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-22.

  1. docs.oneshotagent.com/agent-billing-infra
  2. docs.oneshotagent.com/api-reference/credits/top-up
  3. docs.oneshotagent.com/api-reference/enrich/email
  4. docs.oneshotagent.com/api-reference/enrich/profile.md
  5. docs.oneshotagent.com/api-reference/verify/email.md
  6. docs.oneshotagent.com/pricing
  7. docs.oneshotagent.com/pricing.md
  8. docs.oneshotagent.com/rate-limits.md
  9. oneshotagent.com/terms
  10. win.oneshotagent.com/docs
  11. win.oneshotagent.com/openapi.json

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$0.00
Billingfree
Aggregators
Aggregatorsnone
Charges
Percall
Also pays forfrom the same budget: every paid call
Not found
$ per 1,000$0.00
In their words
Their pitchChecks whether an email address is deliverable, using MX records, mailbox existence, and other signals. The job result says whether the address is valid, deliverable, catch-all, or disposable.
Data
Freshnesslive
Keep datano limit
Use dataonly as necessary or implicit in the proper use of the Service, under its terms and applicable law, no selling, sublicensing or transferring its content to third parties, no reselling any portion of the Service without Freebutter AI's written permission
Plan
Pay$0
You get$1
Enough for1,000 calls, once
Rate limit
Per second1
Batch1
Speed
Answerby polling
The call
You sendemail
MethodPOST
Path/v1/tools/lookup/person-email-status
About the plan
PlanStarter credit
Who can get itanyone, consumer or business, not in a country under a U.S. government embargo or on a U.S. restricted-party list, with a new personal workspace (its console claims the credit)
The 7 fields the plan's answer can hold

email, valid, deliverable, catch-all, disposable, request ID, task status

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