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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Categories
  3. /Phone

Free Phone APIs

8 free public Phone APIs for developers. 8 support HTTPS, 4 allow CORS from the browser and 1 need no API key.

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Showing 8 of 8 APIs

Cloudmersive Validate logo

Cloudmersive Validate

Validate international phone numbers

apiKeyHTTPSCORS
Numlookup logo

Numlookup

Phone number validation and carrier lookup API with global coverage

apiKeyHTTPSCORS ?
Numverify logo

Numverify

Phone number validation

apiKeyHTTPSCORS ?
Phone Specification logo

Phone Specification

Rest Api for Phone specifications

No authHTTPSCORS
Phone Validation logo

Phone Validation

Validate phone numbers globally

apiKeyHTTPSCORS
PlaceCall logo

PlaceCall

AI agent places phone calls to US businesses and returns the outcome, transcript and recording

apiKeyHTTPSNo CORS
Veriphone logo

Veriphone

Phone number validation & carrier lookup

apiKeyHTTPSCORS
VeriRoute Intel logo

VeriRoute Intel

CNAM caller ID, carrier/LRN lookup and spam scoring for North American phone numbers

apiKeyHTTPSCORS ?

Phone API FAQ

How many free Phone APIs are there?

There are 8 free public Phone APIs in the directory. 8 support HTTPS, 4 are confirmed to allow CORS and 1 need no API key.

Which Phone APIs work without an API key?

1 Phone APIs need no authentication, including Phone Specification. You can call them straight away without signing up.

Which Phone APIs can I call from the browser?

APIs with CORS enabled can be called directly from front-end JavaScript. In Phone, that includes Cloudmersive Validate, Phone Specification, Phone Validation and Veriphone.