Telephony & SMS Services
SMS delivery, phone number formatting, and carrier lookup endpoints
Telephony & SMS Services API Comparison Overview
Top Endpoints| API Service | Auth Type | Rate Limit | Security | Direct Link |
|---|---|---|---|---|
| Numverify | Free Key | 100 istek/ay | HTTPS • CORS | Docs |
| Phone Validation | Free Key | 500 istek/ay | HTTPS • CORS | Docs |
| Veriphone | Free Key | Değişken | HTTPS • CORS | Docs |
| Cloudmersive Validate | Free Key | 800 istek/ay | HTTPS • CORS | Docs |
| Phone Specification | No Key | Sınırsız | HTTPS • CORS | Docs |
Available Endpoints (5)
Numverify
Global phone number validation, international carrier lookup, and line type
Phone Validation
Validate international telephone numbers, detect formatting, and identify mobile carriers
Veriphone
Global phone number verification, telecom carrier lookup, and country format check
Cloudmersive Validate
Validate and standardize phone numbers across 200+ countries with carrier detection
Phone Specification
Comprehensive mobile phone technical specifications, battery stats, and camera specs
About Free Telephony & SMS Services APIs
This directory curates 5 verified public APIs in the Telephony & SMS Services domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.
Do I need an API key?
Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.
Does FreeAPI support CORS?
Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.