# Numbers Online — phone intelligence

> Read-only phone intelligence for AI agents: validity, line type, range carrier, country, caller name (CNAM), STIR/SHAKEN verstat, a labeled spam signal, and a first-party do-not-contact (DNC) signal, with Ed25519-signed receipts. Every field is a supplementary, low-confidence signal; the calling agent keeps every routing and dialing decision.

- **Domain**: `numbers.online`
- **Provider**: Numbers Online (https://numbers.online)
- **A2A protocol version**: 0.3.0
- **Kind**: a2a_agent
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 80%

## Skills
- **Phone number intelligence** — Return a supplementary, low-confidence intelligence bundle for a phone number: validity, formatting, line type, range carrier, country, caller name (CNAM where 
- **Line type** — Return only the deterministic fields for a number — validity, line type (mobile / fixed line / VoIP / …), range carrier, country, and formatting. Free, fast cla
- **Caller risk signal** — Return a labeled, low-confidence risk read for an inbound caller: a spam signal (0–100, higher = riskier), verstat passthrough, and a first-party do-not-contact
- **Do-not-contact supplementary signal** — Return a first-party do-not-contact signal (suppress / no_match / unknown) for a number, sourced ONLY from suppression preferences registered and verified by th

## URLs
- Agent card: https://numbers.online/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/numbers.online
- Documentation: https://numbers.online/docs