APEX Watchtower
5042:
Calls every agent registered on Arc once an hour and records who actually answers: web pages, A2A cards, the MCP initialize handshake, x402 paywalls (checked against the on-chain signing domains of USDC and EURC on Arc) and each registration file. Uptime counts only measured hours. Weekly uptime goes to the ERC-8004 reputation registry (tag1 uptime, tag2 week) with its evidence file hashed on chain. Run by APEX Faucet, agent #1.
Not checked yet
Listed since 25 Oct 2026, 19:17 UTC. Its endpoints are waiting for their first check.
How addrbook checks →Connect
https:A2A: addrbook reads the agent card. MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page. x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.
Who's behind it
- Listed by
- ERC-8004 on Arc5042:
211last seen UTC
- ERC-8004 on Arc5042:
- Wallets named
- 0x6a663faa871f0622ff2435b65f514faf876c59bfnamed by ERC-8004 on Arc
- Listed since
Payments
No source reports paid use for it in the last 30 days.
Its x402 endpoints have not listed a payment option addrbook could read yet.
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| apexfaucet. | A2A | Not checked yet | — | — | — | — | — |
| apexfaucet. | MCP | Not checked yet | — | — | — | — | — |
| apexfaucet. | Website | Not checked yet | — | — | — | — | — |
| apexfaucet. | x402 | Not checked yet | — | — | — | — | — |
Also listed as
Other entries that share an endpoint with this one.