# TokenVerify, free: Email verification API

> Evaluates email deliverability, tax ID (EU VAT/US EIN), and phone line risk in a single sub-50ms round-trip.

TokenVerify's Sandbox plan for the email verification API costs $0.00 per 1,000 emails. TokenVerify's docs list 3 of the 6 fields on our checklist: Address, Deliverability, Confidence.
We ran TokenVerify in [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt). We didn't score any TokenVerify plan.
This plan is free. We rank 4,041 plans for email verification APIs by price. Half the plans cost $1.999 per 1,000 emails or less. [See the best free email verification API plan.](https://datacircle.dev/best-email-verification-api.txt)
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) 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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt), [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/tokenverify/free
- [Email validation API: 210+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://tokenverifyapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://tokenverifyapi.com/v1/verify/b2b-lead`
- API key: with the plan, on https://tokenverifyapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://tokenverifyapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: TokenVerify (https://tokenverifyapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Confidence: ✓

## Price

- $ per 1,000 emails: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Evaluates email deliverability, tax ID (EU VAT/US EIN), and phone line risk in a single sub-50ms round-trip.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, mailbox
- Keep data: no API terms
- Use data: You agree not to use TokenVerify for unlawful harassment, sending unsolicited spam in violation of CAN-SPAM / PECR, denial-of-service attacks, or attempting to probe private networks (SSRF).

## Plan

- Pay: £0
- You get: 50 credits
- Enough for: 50 calls, once

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: tax_id, country_code, phone
- Method: POST
- Path: /v1/verify/b2b-lead

## About the plan

- Plan: Sandbox
- Who can get it: anyone, with an instant API key and no card

## The 12 fields the plan's answer can hold

success, verdict, trust score, execution time, business qualified, recommended action, email address, valid format, disposable, corporate domain, MX record, email verdict

## TokenVerify's plans (5)

- [TokenVerify, free](https://datacircle.dev/validate-email-apis/tokenverify/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [TokenVerify, $10 pack](https://datacircle.dev/validate-email-apis/tokenverify/10-pack/llms.txt): $2.00 per 1,000, 50% complete, live
- [TokenVerify, £29 monthly, Starter, POST /v1/verify/b2b-lead](https://datacircle.dev/validate-email-apis/tokenverify/29-monthly-starter-post-v1-verify-b2b-lead/llms.txt): $3.867 per 1,000, 50% complete, live
- [TokenVerify, £99 monthly, Growth, POST /v1/verify/b2b-lead](https://datacircle.dev/validate-email-apis/tokenverify/99-monthly-growth-post-v1-verify-b2b-lead/llms.txt): $2.64 per 1,000, 50% complete, live
- [TokenVerify, £199 monthly, All-Access Pass, POST /v1/verify/b2b-lead](https://datacircle.dev/validate-email-apis/tokenverify/199-monthly-all-access-pass-post-v1-verify-b2b-lead/llms.txt): $5.307 per 1,000, 50% complete, live

## TokenVerify's calls for this API (2)

- `POST /v1/verify/b2b-lead`: [TokenVerify, free](https://datacircle.dev/validate-email-apis/tokenverify/free/llms.txt)
- `POST /v1/verify/email`: [TokenVerify, £29 monthly, Starter, POST /v1/verify/email](https://datacircle.dev/validate-email-apis/tokenverify/29-monthly-starter-post-v1-verify-email/llms.txt)

## TokenVerify's APIs (2)

- [TokenVerify: email verification API pricing, 5 plans](https://datacircle.dev/validate-email-apis/tokenverify/free/llms.txt)
- [TokenVerify: phone validation API pricing, 5 plans](https://datacircle.dev/validate-phone-apis/tokenverify/free/llms.txt)

## TokenVerify: email verification API alternatives

- [MillionPhones, $60 monthly](https://datacircle.dev/validate-email-apis/millionphones/60-monthly/llms.txt): $2.00 per 1,000, 33% complete, live
- [Verifly, $10 pack, Starter, POST /verify/bulk](https://datacircle.dev/validate-email-apis/verifly/10-pack-starter-post-verify-bulk/llms.txt): $2.00 per 1,000, 33% complete, live
- [Verimail, $20 pack](https://datacircle.dev/validate-email-apis/verimail/20-pack/llms.txt): $2.00 per 1,000, 50% complete, live
- [NullBounce, $10 pack](https://datacircle.dev/validate-email-apis/nullbounce/10-pack/llms.txt): $2.00 per 1,000, 33% complete, live
- [SilverLining, pay as you go](https://datacircle.dev/validate-email-apis/silverlining/pay-as-you-go/llms.txt): $2.00 per 1,000, 33% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://tokenverifyapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tokenverifyapi.com/compare/pay-per-call-sub-cent-email-phone-vat-verification-api-vs-monthly-seat-credit-subscriptions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tokenverifyapi.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tokenverifyapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tokenverifyapi.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing