# OpenVerbs, pay as you go: Phone validation API > Parse, validate and format a phone number, E.164/national/international/RFC 3966, region and line type (syntactic validation, no carrier lookup). OpenVerbs's x402 per call plan for the phone validation API costs $2.00 per 1,000 phones. OpenVerbs's docs list 4 of the 9 fields on our checklist: Formats, Validity, Type, Place. We haven't run OpenVerbs through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet. We rank 1,184 plans for phone validation APIs by price. Half the plans cost $3.152 or less per 1,000 phones. This plan costs less per 1,000 phones than 55% of the 1,184 plans. [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/openverbs/pay-as-you-go - [Phone validation API: the best of 50+ providers compared](https://datacircle.dev/best-phone-validation-api.txt) - Get it: https://phone.openverbs.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Request: `POST https://phone.openverbs.com/v1/parse` - API key: not needed - Its API docs: https://phone.openverbs.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Sold by: OpenVerbs (https://openverbs.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing) - Checked: 2026-11-08 ## In the answer - Completeness: 44% - Formats: ✓ - Validity: ✓ - Type: ✓ - Place: ✓ ## Price - $ per 1,000 phones: $2.00 - Per: call - Billing: pay as you go ## Aggregators - Aggregators: none ## Charges - Also pays for: nothing else ## Not found - $ per 1,000: $2.00 ## In their words - Their pitch: Parse, validate and format a phone number, E.164/national/international/RFC 3966, region and line type (syntactic validation, no carrier lookup). ## Data - What it checks: numbering plan - Keep data: no API terms - Use data: no API terms ## Plan - Pay: per call ## Rate limit - Batch: 1 ## Speed - Answer: in the call ## The call - You send: number. Optional: country - Method: POST - Path: /v1/parse ## About the plan - Plan: x402 per call - Who can get it: anyone, with no account or API key, paying each call in USDC on Base (x402 or MPP) ## The 10 fields the plan's answer can hold valid, possible, E.164 number, national format, international format, RFC 3966 format, region code, calling country code, line type, invalid reason ## OpenVerbs's plans (1) - [OpenVerbs, pay as you go](https://datacircle.dev/validate-phone-apis/openverbs/pay-as-you-go/llms.txt): $2.00 per 1,000, 44% complete ## OpenVerbs's calls for this API (1) - `POST /v1/parse`: [OpenVerbs, pay as you go](https://datacircle.dev/validate-phone-apis/openverbs/pay-as-you-go/llms.txt) ## OpenVerbs's APIs (9) - [OpenVerbs: Amazon product API pricing, 1 plan](https://datacircle.dev/amazon-product-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: Amazon search API pricing, 1 plan](https://datacircle.dev/amazon-search-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: local business search API pricing, 1 plan](https://datacircle.dev/local-business-search-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: Google Shopping search API pricing, 1 plan](https://datacircle.dev/google-shopping-search-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/openverbs/pay-as-you-go/llms.txt) - [OpenVerbs: business verification API pricing, 1 plan, POST /v1/czechia](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-czechia/llms.txt) - [OpenVerbs: business verification API pricing, 1 plan, POST /v1/finland](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-finland/llms.txt) - [OpenVerbs: business verification API pricing, 1 plan, POST /v1/france](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-france/llms.txt) - [OpenVerbs: business verification API pricing, 1 plan, POST /v1/latvia](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-latvia/llms.txt) - [OpenVerbs: business verification API pricing, 1 plan, POST /v1/norway](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-norway/llms.txt) - [OpenVerbs: business verification API pricing, 1 plan, POST /v1/poland](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-poland/llms.txt) ## OpenVerbs: phone validation API alternatives - [TokenVerify, $10 pack](https://datacircle.dev/validate-phone-apis/tokenverify/10-pack/llms.txt): $2.00 per 1,000, 33% complete, stored - [RealValidito, $1,000 pack](https://datacircle.dev/validate-phone-apis/realvalidito/1000-pack/llms.txt): $2.00 per 1,000, 78% complete - [SilverLining, pay as you go](https://datacircle.dev/validate-phone-apis/silverlining/pay-as-you-go/llms.txt): $2.00 per 1,000, 44% complete - [PhoneValidator, top-up, Fake Number Check](https://datacircle.dev/validate-phone-apis/phonevalidator/top-up-fake-number-check/llms.txt): $2.00 per 1,000, 22% complete ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08. - https://openverbs.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://openverbs.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://phone.openverbs.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://phone.openverbs.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing