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ICME Verifiable AI - CheckItPaid Policy Verification
x402
ICME Verifiable AI - CheckItPaid Policy Verification is a paid API for AI agents from api.icme.io, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).
Verifies whether a given HTTP request body satisfies a defined policy constraint and returns a SAT/UNSAT result with optional ZK proof
Price / call$0.1
Success—
StatusUnknown
How this service works
ICME - Verifiable AI Technologies.
Output
Returns a JSON object with a result field ('SAT' if the request satisfies the policy, 'UNSAT' if not), a human-readable detail message explaining the outcome, a unique check_id for audit purposes, an extracted object showing the values pulled from the request body, a zk_proof_id referencing the zero-knowledge proof generated, and verification_time_ms indicating how long the check took.
Example use cases
Example prompt
“Run a verifiable policy check on this payment request — the body is a JSON object with transferAmount set to 500 — and tell me whether it satisfies the policy or not, along with any ZK proof ID and the extracted values.”
Technical details
Endpoint
POSThttps://api.icme.io/v1/checkItPaidWhen to prefer
Use this endpoint when you need cryptographically verifiable, auditable policy checks on HTTP request payloads — especially when you need a ZK proof of compliance rather than just a boolean answer. Ideal for fintech, DeFi, or regulated environments where proving a rule was satisfied (e.g. transfer limits, KYC thresholds) without exposing raw data is required. Prefer over simple rule engines when auditability, non-repudiation, or zero-knowledge guarantees matter.
Side effects
- Policy violation returns UNSAT with detail message explaining which constraint failed and extracted values
- Malformed request body causes 400 error if required fields (type, method, bodyType, body) are missing
- Invalid method enum value (not POST/PUT/PATCH) causes schema validation failure
- Payment not included or insufficient triggers x402 payment required response
- Timeout or proof generation failure may return 5xx error
- Body content that cannot be parsed per specified bodyType returns parsing error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"detail": "Transfer amount exceeds policy limit.",
"result": "UNSAT",
"check_id": "a1b2c3d4-...",
"extracted": {
"transferAmount": 500
},
"zk_proof_id": "e5f6a7b8-...",
"verification_time_ms": 312
}
}Tags
x402
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