Telephony & SMS ServicesKey RequiredFeatured

Cloudmersive ValidateFree REST API

Validate and standardize phone numbers across 200+ countries with carrier detection

API Docs

Developer Workbench & Live ConsoleKey Required

Test real endpoints directly, inspect live JSON, or copy implementation code.

GET
curl -X GET "https://cloudmersive.com/phone-number-validation-API" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <YOUR_API_KEY>"
ResponseReady / Idle

Ready for Live Evaluation

Click [ Send Request ] to dispatch a real request via FreeAPI proxy and inspect real JSON payloads.

Rate Limit
800 req/month
Auth Mode
Key Required
Security & CORS
HTTPS • CORS Ready
Protocol
REST / JSON

An external API key is required to authenticate requests with Cloudmersive Validate. Allowance: 800 req/month.

Get API Key ↗
COMPANION DEVELOPER TOOL0ms Client Sandbox

International Phone Validator & E.164 Formatter

Validate phone numbers across 240+ countries, parse E.164 formats, detect carrier line types, and generate RFC 3966 URIs.

Launch Tool
Interactive Web Tool Available

Test and interact with this service in your browser using our International Phone Validator & E.164 Formatter tool.

Open Live Tool

Frequently Asked Questions (FAQ)

Technical and integration answers for Cloudmersive Validate.

Yes, Cloudmersive Validate is listed as a free endpoint on FreeAPI Directory with an allowance of: 800 req/month.
Official Service Provider Ownership: Cloudmersive Validate

All data feeds, trademarks, and documentation belong directly to the original API provider. FreeAPI serves purely as a discovery index and documentation reference for developers.

DMCA / Takedown Request

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