Stop Spam Calls
Score inbound/outbound numbers and auto-block high-risk calls.
Prevent Porting Fraud
Detect recent port-out/SIM-swap signals before you trust a number.
Verify Reachability
Check HLR and presence (WhatsApp, Telegram, etc.) to route smarter.
Talk to an expert
Make your telco spam-free by integrating CallerAPI.Who is CallerAPI for?#
CallerAPI helps carriers, CPaaS platforms, cloud comms/SIP providers, PBX & UCaaS vendors, and consumer apps stop revenue-draining spam, block account takeover, and cut messaging costs with real-time phone intelligence. Use it to decide “Should I trust this number, connect this call, send this message, or ask for more verification?”Get an API key#
Keep it safe; pass it in the x-auth header like this:
x-auth: YOUR_CALLERAPI_KEY
Base URL#
Use https://api.callerapi.com. Requests are routed to the nearest region automatically.Make your first request#
Interpret the response#
All the API responses are returned in JSON format. This would be a response for the previous API call:{
"credits_left": 9691567,
"credits_monthly": 9999999,
"credits_spent": 308432,
"email": "you@company.com",
"status": "success"
}
Modified at 2026-09-18 16:26:34
