Datacircle

BillionVerify, POST /verify/file: email validation API pricing, 19 plans

33% complete: 2 of the 6 key fieldsSee which

$0.00per 1,000 emails
Plan: Free Plan one of BillionVerify's 19 plans
Call: POST /verify/file one of BillionVerify's 3 calls

About this item

  • Live. The call checks the email when you make it.
  • 2 of the 6 key fields. Address, Its check.
  • Nothing to pay. You get 20 credits a day, enough for 20 results. Credits never expire.
  • One call. You send file to POST /verify/file. Optional: check_smtp, email_column, preserve_original. The call returns a job: another call reads its answer, or the provider sends it to a URL you give.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000. Like this plan, each is live.

This planBillionVerify, free, Plan, POST /verify/fileBouncer, free, 100 free credits, POST /v1.1/email/verify/batchBounceCheck, free, Free, POST /verification/bulkBounceless, free, 100 credits once, POST /v1/requests, Create a batch (emails)Bouncify, free
$ per 1,000$0.00$0.00$0.00$0.00$0.00
Completeness33%67%50%50%50%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for20 results a day100 results, once50 results a month100 results, once100 calls, once
Freshnesslivelivelivelivelive
Who can get itanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes onlyanyone 18 or over with a work email, a private one (Gmail, Hotmail) only after writing to Bouncer firstanyone, for their own internal business purposesbusiness customers outside the European Economic Area and the UK, with a public email addressanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

  1. api.billionverify.com/openapi.yaml
  2. billionverify.com/docs/api-reference.md
  3. billionverify.com/email-verification-api.md
  4. billionverify.com/help.md
  5. billionverify.com/help/disposable-emails-are-free.md
  6. billionverify.com/help/do-credits-expire.md
  7. billionverify.com/help/no-charge-for-recheck-within-24h.md
  8. billionverify.com/help/what-does-catch-all-mean.md
  9. billionverify.com/help/which-results-are-charged.md
  10. billionverify.com/llms-full.txt
  11. billionverify.com/llms.txt
  12. billionverify.com/pricing
  13. billionverify.com/pricing.md
  14. billionverify.com/terms

Product details

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

  • Address
  • Its check
  • 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
Repeat free24 hours
Perresult
Also pays forfrom the same budget: Single Email Verification · Batch Email Verification
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
In their words
Their pitchPOST /verify/file — submit CSV or Excel files to the API for background processing. Results are delivered via webhook callback when the API job completes.
Data
Freshnesslive
Keep datano limit
Use dataYou may not use the Service to: Violate anti-spam, privacy, consumer protection, or data protection laws. Submit data you do not have the lawful right to process. Abuse promotional offers, bypass rate limits, probe our systems, or attempt unauthorized access. Reverse engineer, copy, resell, sublicense, or build a competing service using the Service except as expressly permitted by us in writing. [...] Subject to these Terms, we grant you a limited, revocable, non-exclusive, non-transferable right to use the Service for your internal business purposes.
Plan
Pay$0
You get20 credits a day
Enough for20 results a day
Expiresnever
Rate limit
Per second5
Speed
Answerby polling or webhook
The call
You sendfile. Optional: check_smtp, email_column, preserve_original
MethodPOST
Path/verify/file
About the plan
PlanFree Plan
Who can get itanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes only
The 33 fields the plan's answer can hold

task ID, file name, file size, status, message, status URL, created at, estimated count, unique emails, total rows, email column, progress, email progress, chunk progress, progress source, total emails, processed emails, valid emails, invalid emails, unknown emails, role emails, catch-all emails, risky emails, disposable emails, credits used, download URL, direct download URL, direct download expires at, started at, completed at, total chunks, completed chunks, failed chunks