x402Probe
xlayer|id 6313|owner 0x75e172a2e1320bec8776ae037a66b109e3725308
Probe any URL for x402 payment-gate conformance. Returns 402 presence, WWW-Authenticate header validity, payment details format check, and pass/fail verdict.
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 71878118
- chain_id
- 196
- owner
- 0x75e172a2e1320bec8776ae037a66b109e3725308
- registry
- 0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
- token_id
- 6313
- tx_hash
- 0x6be77faacddbf2bf6a1ca48c02d320d0f4e6229fc9c200c1fd055bf3c52be830
checked at 2026-09-29T02:43:21.925512Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- elapsed_ms
- 2536
- http_status
- 200
- scheme
- https
checked at 2026-09-29T02:43:21.925512Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1271
- body_sha256
- a18a1004091edfb9ab19619b8142628b54510f995ba77efd9584d848e75460e3
- content_type
- application/json
checked at 2026-09-29T02:43:21.925512Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- false
- legacy_endpoints_field
- false
- may_gaps
- x402Support, active, supportedTrust
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-09-29T02:43:21.925512Z
Claims its identity?rung 5 · bound
unclaimedThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
unclaimed — the document made no claim to check
- declared_agent_id
- —
- declared_chain
- —
- declared_registry
- —
- match
- —
- reason
- unclaimed
- registrations_seen
- 0
checked at 2026-09-29T02:43:21.925512Z
Answers?rung 6 · live
failA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
- endpoints
{"declared":"https://agent.minatobrew.com/payprobe/validate","elapsed_ms":52,"error":"ssrf_blocked: dns resolution faile… (649 chars — expand)
{"declared":"https://agent.minatobrew.com/payprobe/validate","elapsed_ms":52,"error":"ssrf_blocked: dns resolution failed: failed to lookup address information: Name or service not known","index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://agent.minatobrew.com/payprobe/validate"}, {"declared":"https://agent.minatobrew.com/x402probe/validate","elapsed_ms":4,"error":"ssrf_blocked: dns resolution failed: failed to lookup address information: Name or service not known","index":1,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://agent.minatobrew.com/x402probe/validate"}- endpoints_answered_not_live
- 2
- endpoints_declared
- 2
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 2
- endpoints_probed
- 2
- endpoints_refused
- 0
checked at 2026-09-29T03:47:31.663418Z
Has feedback?rung 7 · attested
failAt least one on-chain feedback entry names this agent.
did not pass
- distinct_authors
- 0
- feedback_count
- 0
- reason
- no_feedback
checked at 2026-09-29T02:43:21.925512Z
Check it again, now
outside the censusOn-chain snapshot
xlayer- token id
- 6313
- owner
- 0x75e172a2e1320bec8776ae037a66b109e3725308
- block
- 71,878,118
- observed
- 2026-09-29T02:43:21.928346Z
What the fetch saw
https- scheme
- https
- http status
- 200
- content type
- application/json
- size
- 1,271 bytes
- sha256
- a18a1004091edfb9ab19619b8142628b54510f995ba77efd9584d848e75460e3
- elapsed
- 2,536 ms
This run
reproducible- run
- 9fd4e7fa-e63f-4bfe-b9c2-1e68c2cada84
- chain
- xlayer
- pinned block
- 71,878,118
- agents
- 14,000
- started
- 2026-09-29T01:59:16.043847Z
- finished
- 2026-09-29T03:30:43.722754Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- xlayer # at block 71878118