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

Phone number validation & carrier lookup.
Veriphone API is a free Phone API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Validate any phone number and identify its carrier, line type, and country in milliseconds — one number or millions, by API or CSV. 1,000 free lookups a month.
Details from veriphone.io.

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AI agent places phone calls to US businesses and returns the outcome, transcript and recording
The Veriphone API is provided by Veriphone (veriphone.io). Validate any phone number and identify its carrier, line type, and country in milliseconds — one number or millions, by API or CSV. 1,000 free lookups a month.
Yes. The Veriphone API is listed in the Phone category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Veriphone API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Veriphone API supports CORS, so front-end JavaScript can call it directly.
Yes. The Veriphone API is served over HTTPS, so it's safe to use in production.