More Phone APIs

Looking for other Phone APIs? Here are more free options in the same category:

• CheckThatPhone — Real-time phone validation API for US & Canada: carrier and line type from live carrier data, portability, deliverability, GeoIP and TCPA litigator scrub
• Fax for Agents — Fax API, hosted MCP server and SDKs built so AI agents can send and receive faxes, with a free sandbox
• Numlookup — Phone number validation and carrier lookup API with global coverage
• Numverify — Phone number validation
• Phone Specification — Rest Api for Phone specifications
• Phone Validation — Validate phone numbers globally
• PlaceCall — AI agent places phone calls to US businesses and returns the outcome, transcript and recording
• Proweblook Phone Number Checker — Phone number validation
• Proweblook Whatsapp Contact Checker — Whatsapp number validation
• Sparetext — Send and receive SMS from your own Android phone or iPhone through a REST API, signed webhooks and an MCP server

View all Phone APIs →