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Council of AI — XRPL Population Slice
x402
Council of AI — XRPL Population Slice is a paid API for AI agents from councilof.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-30).
Returns a signed, indexed population snapshot of XRPL asset state leaves used for AI system measurement on the Council of AI platform.
Price / call$0.01
Success—
StatusUnknown
How this service works
We measure how AI systems behave against frozen, published tests and publish checkable evidence. Issued measurement cards are signed; unsigned supporting runs are labelled. Read the live board and corrections ledger.
Output
Returns a JSON object containing: the population slice kind ('slice'), XRPL asset state row data, an as_of timestamp, an indexed state indicator, the leaf count (n) with unit description, settlement metadata (payer, network, transaction), source endpoint references, and a cryptographic attestation block with ed25519 signature, SHA-256 hash, and schema URI.
Example use cases
Verify XRPL asset state integrity
“Can you fetch the Council of AI XRPL population snapshot and confirm the ed25519 signature is present and the state is INDEXED?”
Monitor live XRPL measurement board
“Check the Council of AI XRPL population slice right now and tell me how many asset state leaves are on the public root and when it was last updated.”
Audit XRPL interop registry data
“I need the latest signed population data for XRPL from Council of AI including the source references and SHA-256 hash so I can independently verify the measurement.”
Technical details
Endpoint
GEThttps://councilof.ai/api/pop/xrpl?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a cryptographically attested, independently verifiable snapshot of XRPL asset state leaves as measured by Council of AI. It is best suited for auditing, verification pipelines, or AI measurement workflows that require signed evidence rather than raw chain data. Prefer it over direct XRPL node queries when tamper-evident provenance and a corrections ledger are important.
Side effects
- Payment not received — returns 402 Payment Required if the $0.01 USDC x402 payment is not included
- Unsigned attestation — sig_ed25519 may be null if the slice is a supporting (unsigned) run rather than an issued measurement card
- Stale data — as_of timestamp may lag if the indexer has not recently processed XRPL state
- Invalid method — only GET, HEAD, DELETE are accepted; POST returns an error
- Schema mismatch — response schema version (csoai.population-door/0.1) may change as the platform evolves
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"n": 16,
"id": "xrpl",
"kind": "slice",
"rows": "<the population rows / artifact bytes, verbatim>",
"as_of": "2026-09-22T08:54:02Z",
"state": "INDEXED",
"n_unit": "xrpl.asset.state leaves on the public root (the live reader's n)",
"schema": "csoai.population-door/0.1",
"settle": {
"payer": "<0x… or null>",
"network": "<caip2 or null>",
"transaction": "<0x… or null>"
},
"source": [
"/api/xrpl",
"/root.json",
"/cards-bundle.json",
"/interop/xrpl-issuer-registry.json"
],
"attestation": {
"schema": "https://councilof.ai/schema/card-v0.json",
"sha256": "<hex>",
"payload": {
"kind": "csoai.population.slice/0.1",
"rows_sha256": "<hex>"
},
"surface": "population.slice",
"sig_ed25519": "<hex or null>"
}
}
}Tags
x402
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