Cloudmersive Validate
Validate international phone numbers
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Yes
- Category
- Phone
- Documentation / URL
- https://cloudmersive.com/phone-number-validation-API
Overview
Cloudmersive Validate provides phone validation — key-based.
⚠️ Status (verified 2026-08): a guessed path returned HTTP 404 (ASP.NET HTML) — the route paths differ. Check the docs for valid routes.
What it provides
curl -X POST "https://api.cloudmersive.com/validate/phone/number" \
-H "Apikey: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"PhoneNumber":"+14158586273"}'
Notes
- International phone validation.
- Route paths per the docs.
FAQ
Is Cloudmersive Validate free? Key-based with a free tier per the docs.
Why 404? Our 2026-08 guess path was wrong (verified) — check the docs.
What does it return? Phone data.
More in Phone
| API | Auth | HTTPS | CORS | |
|---|---|---|---|---|
| Numlookup Phone number validation and carrier lookup API with global coverage | API Key | Yes | Unknown | ↗ |
| Numverify Phone number validation | API Key | Yes | Unknown | ↗ |
| Phone Specification Rest Api for Phone specifications | No auth | Yes | Yes | ↗ |
| Phone Validation Validate phone numbers globally | API Key | Yes | Yes | ↗ |
| Veriphone Phone number validation & carrier lookup | API Key | Yes | Yes | ↗ |