# VerifNow, free: Phone validation API > Validate international phone numbers and return normalization and diagnostics. VerifNow's phone validation API on its Free plan. It costs $0.00 per 1,000 phones. It returns 4 of the 9 key fields we check: Formats, Validity, Type, Place. We haven't run VerifNow through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet. This plan is free. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 per 1,000 phones or less. [Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day. [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark. - This page: https://datacircle.dev/validate-phone-apis/verifnow/free - [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt) - Get it: https://www.verifnow.io/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Request: `POST https://api.verifnow.io/api/v1/validate/phone` - API key: with the plan, on https://www.verifnow.io/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Its API docs: https://docs.verifnow.io/guides/validate-phone?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Sold by: VerifNow (https://verifnow.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing) - Checked: 2026-11-05 ## In the answer - Completeness: 44% - Formats: ✓ - Validity: ✓ - Type: ✓ - Place: ✓ ## Price - $ per 1,000 phones: $0.00 - Per: call - Billing: free ## Aggregators - Aggregators: none ## Charges - Also pays for: from the same budget: Validate an email address · Validate an IBAN · Validate a Canadian Social Insurance Number (NAS/SIN) · Validate a Spanish NIF · Validate a US Social Security Number · Validate a VAT number ## Overage - Units cap: hard ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Validate international phone numbers and return normalization and diagnostics. ## Data - What it checks: numbering plan - Keep data: no limit - Use data: You agree not to misuse the Service, including but not limited to: attempting to bypass rate limits or quotas, reverse engineering or copying the API, using the Service for illegal, harmful, or fraudulent purposes, reselling or redistributing access without authorization, interfering with or disrupting the Service ## Plan - Pay: $0 - You get: 250 requests a month - Enough for: 250 calls a month - Expires: quotas reset at the start of each billing period ## Rate limit - Concurrent: 3 - Batch: 1 ## Speed - Answer: in the call ## The call - You send: value. Optional: X-VerifNow-SDK header - Method: POST - Path: /api/v1/validate/phone ## About the plan - Plan: Free - Who can get it: anyone ## The 10 fields the plan's answer can hold valid, message, normalized value, original value, validation level, country code, calling code, line type, international format, national format ## VerifNow's plans (7) - [VerifNow, free](https://datacircle.dev/validate-phone-apis/verifnow/free/llms.txt): $0.00 per 1,000, 44% complete - [VerifNow, $19 monthly](https://datacircle.dev/validate-phone-apis/verifnow/19-monthly/llms.txt): $1.90 per 1,000, 44% complete - [VerifNow, $49 monthly](https://datacircle.dev/validate-phone-apis/verifnow/49-monthly/llms.txt): $0.98 per 1,000, 44% complete - [VerifNow, $99 monthly](https://datacircle.dev/validate-phone-apis/verifnow/99-monthly/llms.txt): $0.66 per 1,000, 44% complete - [VerifNow, $182 yearly](https://datacircle.dev/validate-phone-apis/verifnow/182-yearly/llms.txt): $1.517 per 1,000, 44% complete - [VerifNow, $470 yearly](https://datacircle.dev/validate-phone-apis/verifnow/470-yearly/llms.txt): $0.783 per 1,000, 44% complete - [VerifNow, $950 yearly](https://datacircle.dev/validate-phone-apis/verifnow/950-yearly/llms.txt): $0.528 per 1,000, 44% complete ## VerifNow's calls for this API (1) - `POST /api/v1/validate/phone`: [VerifNow, free](https://datacircle.dev/validate-phone-apis/verifnow/free/llms.txt) ## VerifNow's APIs (2) - [VerifNow: email verification API pricing, 7 plans](https://datacircle.dev/validate-email-apis/verifnow/free/llms.txt) - [VerifNow: phone validation API pricing, 7 plans](https://datacircle.dev/validate-phone-apis/verifnow/free/llms.txt) ## VerifNow: phone validation API alternatives - [ProWebLook, $52 monthly](https://datacircle.dev/validate-phone-apis/proweblook/52-monthly/llms.txt): $0.52 per 1,000, 67% complete, stored - [ZelNum, $500 pack, Pay as you go, $500 top-up, POST /detect/file, Phone Status Check (file upload)](https://datacircle.dev/validate-phone-apis/zelnum/500-pack-pay-as-you-go-500-top-up-post-detect-file-phone-status-check-file-upload/llms.txt): $0.522 per 1,000, 11% complete - [TPS API, £2,550 pack](https://datacircle.dev/validate-phone-apis/tps-api/2550-pack/llms.txt): $0.523 per 1,000, 11% complete - [TPSCheck, £199 monthly, Business, POST /batch](https://datacircle.dev/validate-phone-apis/tpscheck/199-monthly-business-post-batch/llms.txt): $0.531 per 1,000, 67% complete, 1 day ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05. - https://api.verifnow.io/docs.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://docs.verifnow.io/guides/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://docs.verifnow.io/guides/validate-email?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://docs.verifnow.io/guides/validate-phone?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://verifnow.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://www.verifnow.io/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://www.verifnow.io/en/company/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://www.verifnow.io/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing