BillionVerify, POST / verify/ single: email validation API pricing, 19 plans
67% complete: 4 of the 6 key fieldsSee which
$0.00per 1,000 emails
Plan: Free Plan one of BillionVerify's 19 plans
- Free, PlanFree Plan$0.00 per 1,000
- $20 pack, StarterStarter$1.00 per 1,000
- $45 pack, PopularPopular$0.90 per 1,000
- $80 pack, ProfessionalProfessional$0.80 per 1,000
- $150 pack, BusinessBusiness$0.75 per 1,000
- $200 pack, EnterpriseEnterprise$0.40 per 1,000
- $350 pack, UltimateUltimate$0.35 per 1,000
- $16 monthly, StarterStarter$0.80 per 1,000
- $36 monthly, PopularPopular$0.72 per 1,000
- $64 monthly, ProfessionalProfessional$0.64 per 1,000
- $120 monthly, BusinessBusiness$0.60 per 1,000
- $160 monthly, EnterpriseEnterprise$0.32 per 1,000
- $280 monthly, UltimateUltimate$0.28 per 1,000
- $96 yearly, StarterStarter$0.40 per 1,000
- $216 yearly, PopularPopular$0.36 per 1,000
- $384 yearly, ProfessionalProfessional$0.32 per 1,000
- $720 yearly, BusinessBusiness$0.30 per 1,000
- $960 yearly, EnterpriseEnterprise$0.16 per 1,000
- $1,680 yearly, UltimateUltimate$0.14 per 1,000
Call:
POST / verify/ single one of BillionVerify's 3 callsPOST /Free, Plan$0.00 per 1,000verify/ bulk POST /Free, Plan$0.00 per 1,000verify/ file POST /Free, Plan$0.00 per 1,000verify/ single
About this item
- Live. The call checks the email when you make it.
- 4 of the 6 key fields. Address, Its check, Confidence, Company.
- Nothing to pay. You get 20 credits a day, enough for 20 calls. Credits never expire.
- One call. You send email to
POST /. Optional: check_smtp, force_refresh, include_domain_reputation. The call returns whether the address takes mail.verify/ single - 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/single | Bouncer, free, 100 free credits, POST /v1.1/email/verify/batch | BounceCheck, free, Free, POST /verification/bulk | Bounceless, 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 |
| Completeness | 67% | 67% | 50% | 50% | 50% |
| Billing | free | free | free | free | free |
| Pay | $0 | $0 | $0 | $0 | $0 |
| Enough for | 20 calls a day | 100 results, once | 50 results a month | 100 results, once | 100 calls, once |
| Freshness | live | live | live | live | live |
| Who can get it | anyone at least 18 years old and legally able to enter into a contract, for their internal business purposes only | anyone 18 or over with a work email, a private one (Gmail, Hotmail) only after writing to Bouncer first | anyone, for their own internal business purposes | business customers outside the European Economic Area and the UK, with a public email address | anyone |
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.
- api.billionverify.com/openapi.yaml
- billionverify.com/docs/api-reference.md
- billionverify.com/email-verification-api.md
- billionverify.com/help.md
- billionverify.com/help/disposable-emails-are-free.md
- billionverify.com/help/do-credits-expire.md
- billionverify.com/help/no-charge-for-recheck-within-24h.md
- billionverify.com/help/what-does-catch-all-mean.md
- billionverify.com/help/which-results-are-charged.md
- billionverify.com/llms-full.txt
- billionverify.com/llms.txt
- billionverify.com/pricing
- billionverify.com/pricing.md
- 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
- Name, not in the answer
- Place, not in the answer
- Company
| $ per 1,000 | $0.00 |
|---|---|
| Billing | free |
| Aggregators | none |
|---|
| Repeat free | 24 hours |
|---|---|
| Per | call |
| Also pays for | from the same budget: Batch Email Verification · File Upload Verification |
| $ per 1,000 | $0.00 |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Real-time email verification API over HTTP with full SMTP mailbox checks — the accurate verification API for deliverability, not format-only validation. |
|---|
| Freshness | live |
|---|---|
| Keep data | no limit |
| Use data | You 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. |
| Pay | $0 |
|---|---|
| You get | 20 credits a day |
| Enough for | 20 calls a day |
| Expires | never |
| Per second | 100 |
|---|---|
| Batch | 1 |
| Answer | in the call |
|---|
| You send | email. Optional: check_smtp, force_refresh, include_domain_reputation |
|---|---|
| Method | POST |
| Path | /verify/single |
| Plan | Free Plan |
|---|---|
| Who can get it | anyone at least 18 years old and legally able to enter into a contract, for their internal business purposes only |
The 29 fields the plan's answer can hold
email, status, score, deliverable, disposable, catch-all, role address, free email, domain, domain age, MX records, MX IP, MX ASN, MX AS organization, domain reputation, SMTP checked, SMTP result, catch-all evidence, reason, domain suggestion, alias of, risk reasons, SMTP response, response time, credits used, verification mode, retryable, SMTPUTF8, retry after seconds