# TokenVerify, free: Phone validation 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 phone validation API costs $0.00 per 1,000 phones. TokenVerify's docs list 3 of the 9 fields on our checklist: Number, Type, Place.
We ran TokenVerify in [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt). We didn't score any TokenVerify plan.
This plan is free. We rank 1,148 plans for phone validation APIs by price. Half the plans cost $2.991 per 1,000 phones or less. [See the best free phone validation API plan.](https://datacircle.dev/best-phone-validation-api.txt)
[GuGuData's CNY 124 (about $19) monthly plan](https://datacircle.dev/validate-phone-apis/gugudata/cny-124-monthly/llms.txt) is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. [Neutrino API's On-Demand plan](https://datacircle.dev/validate-phone-apis/neutrino-api/pay-as-you-go-on-demand/llms.txt) costs the least for 10,000 phones a month: $0.80.
[Trestle](https://datacircle.dev/validate-phone-apis/trestle/top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api/llms.txt), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/tokenverify/free
- [Phone validation API: the best of 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://tokenverifyapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-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=phone-validation-api-pricing
- Its API docs: https://tokenverifyapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: TokenVerify (https://tokenverifyapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 33%
- Number: ✓
- Type: ✓
- Place: ✓

## Price

- $ per 1,000 phones: $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: stored
- What it checks: numbering plan, carrier
- 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 11 fields the plan's answer can hold

success, verdict, trust score, execution time, business qualified, recommended action, E.164 number, country code, line type, VoIP, phone verdict

## TokenVerify's plans (5)

- [TokenVerify, free](https://datacircle.dev/validate-phone-apis/tokenverify/free/llms.txt): $0.00 per 1,000, 33% complete, stored
- [TokenVerify, $10 pack](https://datacircle.dev/validate-phone-apis/tokenverify/10-pack/llms.txt): $2.00 per 1,000, 33% complete, stored
- [TokenVerify, £29 monthly, Starter, POST /v1/verify/b2b-lead](https://datacircle.dev/validate-phone-apis/tokenverify/29-monthly-starter-post-v1-verify-b2b-lead/llms.txt): $3.867 per 1,000, 33% complete, stored
- [TokenVerify, £99 monthly, Growth, POST /v1/verify/b2b-lead](https://datacircle.dev/validate-phone-apis/tokenverify/99-monthly-growth-post-v1-verify-b2b-lead/llms.txt): $2.64 per 1,000, 33% complete, stored
- [TokenVerify, £199 monthly, All-Access Pass, POST /v1/verify/b2b-lead](https://datacircle.dev/validate-phone-apis/tokenverify/199-monthly-all-access-pass-post-v1-verify-b2b-lead/llms.txt): $5.307 per 1,000, 33% complete, stored

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

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

- [NumLookupAPI, $9.99 monthly, Basic, GET /v1/validate/{number}, Validate Phone Number](https://datacircle.dev/validate-phone-apis/numlookupapi/9-99-monthly-basic-get-v1-validate-number/llms.txt): $1.998 per 1,000, 67% complete, stored
- [1Lookup, $1,999 monthly, Enterprise, POST /nt-lookup](https://datacircle.dev/validate-phone-apis/1lookup/1999-monthly-enterprise-post-nt-lookup/llms.txt): $1.999 per 1,000, 78% complete, stored
- [Xverify, $1,000 pack](https://datacircle.dev/validate-phone-apis/xverify/1000-pack/llms.txt): $2.00 per 1,000, 44% complete, stored
- [Cloudmersive, $499.99 monthly](https://datacircle.dev/validate-phone-apis/cloudmersive/499-99-monthly/llms.txt): $2.00 per 1,000, 44% complete, stored

## 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=phone-validation-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=phone-validation-api-pricing
- https://tokenverifyapi.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://tokenverifyapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://tokenverifyapi.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing