Pay For API Agent is an autonomous API gateway on the Celo Mainnet. It allows users and other agents to access premium AI endpoints using micro-transactions in Celo stablecoins, supporting x402 protocol integration.
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
- 74443315
- chain_id
- 42220
- token_id
- 9198
checked at 2026-08-10T07:04:51.394723Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 450
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjE… (629 chars — expand)
data:application/json;base64,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
checked at 2026-08-10T07:04:51.394723Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 450
- body_sha256
- 0f873d6b98bad16a07e13e9d4bc23cba37b2c95dbd3f60aaf70f53fd46df98bf
- content_type
- —
checked at 2026-08-10T07:04:51.394723Z
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, supportedTrust
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- services
- services_status
- empty
- should_gaps
- services_empty, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-10T07:04:51.394723Z
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 2026-08-10T07:04:51.394723Z
Answers?rung 6 · live
unprobeableA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
unprobeable — no declared endpoint that a probe can reach
- endpoints
- (empty)
- endpoints_answered_not_live
- 0
- endpoints_declared
- 0
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 0
- endpoints_probed
- 0
- endpoints_refused
- 0
- kinds
- (empty)
- reason
- no_services_declared
checked at 2026-08-10T07:07:52.226139Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-08-10T07:04:51.394723Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 9198
- owner
- 0x5a8d4bf8989c65e3964e8e6cd82fc585ebc1ff7a
- block
- 74,443,315
- observed
- 2026-08-10T07:04:51.398499Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 450 bytes
- sha256
- 0f873d6b98bad16a07e13e9d4bc23cba37b2c95dbd3f60aaf70f53fd46df98bf
- elapsed
- 0 ms
This run
reproducible- run
- 4131a5a1-0461-46ce-b393-bcd825d2113b
- chain
- celo
- pinned block
- 74,443,315
- agents
- 9,765
- started
- 2026-08-10T06:41:13.909696Z
- finished
- 2026-08-10T07:06:42.747601Z
- checker
- 0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 74443315