The (most) everything API: one pay-per-call API giving AI agents ground-truth data across 575+ endpoints — public records, finance, crypto, security, legal, health, geo, and EDI. USDC via x402, no signup, no API keys.
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
- 52281733
- chain_id
- 8453
- token_id
- 57911
checked at 2026-10-07T14:49:05.365765Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- elapsed_ms
- 423
- final_url
- https://2s.io/.well-known/agent.json
- http_status
- 200
- request_url
- https://2s.io/.well-known/agent.json
- scheme
- https
checked at 2026-10-07T14:49:05.365765Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1158
- body_sha256
- 374298d0dd1eb2335925fdc0c265b7717e9b7b48b21387b444d6b5621f02c44e
- content_type
- application/json; charset=utf-8
checked at 2026-10-07T14:49:05.365765Z
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
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T14:49:05.365765Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 57911
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T14:49:05.365765Z
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
{"declared":null,"index":0,"kind":"missing","probed":false}, {"declared":null,"index":1,"kind":"missing","probed":false}… (303 chars — expand)
{"declared":null,"index":0,"kind":"missing","probed":false}, {"declared":null,"index":1,"kind":"missing","probed":false}, {"declared":null,"index":2,"kind":"missing","probed":false}, {"declared":null,"index":3,"kind":"missing","probed":false}, {"declared":null,"index":4,"kind":"missing","probed":false}- endpoints_answered_not_live
- 0
- endpoints_declared
- 5
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 0
- endpoints_probed
- 0
- endpoints_refused
- 0
- kinds
- missing, missing, missing, missing, missing
- reason
- no_probeable_endpoint
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 2
- feedback_count
- 23
checked at 2026-10-07T14:49:05.365765Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 57911
- owner
- 0xd0ec64acc83ba142ae74469caf04842dd2a44834
- block
- 52,281,733
- observed
- 2026-10-07T14:49:05.369073Z
What the fetch saw
https- scheme
- https
- request url
- https://2s.io/.well-known/agent.json
- final url
- https://2s.io/.well-known/agent.json
- http status
- 200
- content type
- application/json; charset=utf-8
- size
- 1,158 bytes
- sha256
- 374298d0dd1eb2335925fdc0c265b7717e9b7b48b21387b444d6b5621f02c44e
- elapsed
- 423 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733