ai.
api.
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Live
Last successful check: 25 Oct 2026, 19:20 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
At api.safe4.ai, its best endpoint.
How addrbook checks →Connect
https:MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.
Who's behind it
- Listed by
- MCP Registryai.
safe4/ safe4last seen UTC
- MCP Registryai.
- Wallets named
- None in its listings
- Listed since
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| api. | MCP | Live | 100% | 100% | 2 | ||
| api. | Website | Live | 100% | 100% | — |