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Agent

Pay For API Agent

celo|id 9196|owner 0x5a8d4bf8989c65e3964e8e6cd82fc585ebc1ff7a

Checks 1–7

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.

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded
Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

  1. Registered?rung 1 · registered

    pass

    The agent exists in the on-chain registry, with an owner and a document URL.

    passed

    block_number
    74443315
    chain_id
    42220
    owner
    0x5a8d4bf8989c65e3964e8e6cd82fc585ebc1ff7a
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    9196
    tx_hash
    0x7cd2d3690ae655b3c8a2fb247392d9dadd038b82717d12a496297a4b01ce0983

    checked at 2026-08-10T07:04:51.810970Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    454
    final_url
    https://pay-for-api.vercel.app/agent-metadata.json
    http_status
    200
    request_url
    https://pay-for-api.vercel.app/agent-metadata.json
    scheme
    https
    uri
    https://pay-for-api.vercel.app/agent-metadata.json

    checked at 2026-08-10T07:04:51.810970Z

  3. Readable?rung 3 · parseable

    pass

    What came back is valid JSON that a machine can read.

    passed

    body_bytes
    2852
    body_sha256
    c72ad2c2e2ee55386e0d4028fe023c0d92a7bc2c7b83224d6ce418fe1d9e47d2
    content_type
    application/json; charset=utf-8

    checked at 2026-08-10T07:04:51.810970Z

  4. Follows the spec?rung 4 · conformant

    fail

    The document meets what ERC-8004 requires of it.

    did not pass

    both_fields_present
    false
    legacy_endpoints_field
    false
    may_gaps
    x402Support
    must_violations
    registrations[0].agentId
    registrations_checked
    1
    services_field_source
    services
    services_status
    present
    should_gaps
    services[].version
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-10T07:04:51.810970Z

  5. Claims its identity?rung 5 · bound

    skipped

    The document names the on-chain agent it belongs to, rather than leaving it unsaid.

    skipped — a check this one depends on did not pass

    skipped_because_rung
    4
    skipped_because_status
    fail

    checked at 2026-08-10T07:04:51.810970Z

  6. Answers?rung 6 · live

    skipped

    A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.

    skipped — a check this one depends on did not pass

    skipped_because_rung
    4
    skipped_because_status
    fail

    checked at 2026-08-10T07:07:52.226139Z

  7. Has feedback?rung 7 · attested

    pass

    At least one on-chain feedback entry names this agent.

    passed

    distinct_authors
    5
    feedback_count
    5

    checked at 2026-08-10T07:04:51.810970Z

Check it again, now

outside the census
Everything above is one sweep, pinned to one block. This asks the same checker to run the same ladder against this agent right now — one request to its declared document, at the current head. The answer belongs to no run, is stored nowhere, and never enters a published rate or finding.
Sends one request to the agent’s own server. Rate limited.

On-chain snapshot

celo
token id
9196
owner
0x5a8d4bf8989c65e3964e8e6cd82fc585ebc1ff7a
block
74,443,315
observed
2026-08-10T07:04:51.814751Z
tokenURIopen →
https://pay-for-api.vercel.app/agent-metadata.json

What the fetch saw

https
scheme
https
request url
https://pay-for-api.vercel.app/agent-metadata.json
final url
https://pay-for-api.vercel.app/agent-metadata.json
http status
200
content type
application/json; charset=utf-8
size
2,852 bytes
sha256
c72ad2c2e2ee55386e0d4028fe023c0d92a7bc2c7b83224d6ce418fe1d9e47d2
elapsed
454 ms

This run

reproducible
Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.
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
Reproduce
cargo run -p sweeper -- celo   # at block 74443315

What each check measures →