OBOL ERC-8004 Output Validator (independent pass/fail attestation)GET /v1/validate · x402 API by OBOL
The Validator seat ERC-8004 leaves open: submit an agent output (+ Ed25519 attestation) -> independent signed pass|fail (signature, coherence, integrity, freshness) + Validation-Registry-ready sha256 digests. Fail-closed: nothing checkable = not charged. USDC on Base.
What does this x402 API do?
OBOL ERC-8004 Output Validator (independent pass/fail attestation). This is an x402-gated GET API resource from OBOL. TOLL·402 did not invoke this route automatically because doing so was not considered safe. The listing records $0.25 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.25 USD-denominated per request
- Networks
- Base
- Latest evidence
- TOLL·402 did not invoke this route automatically because doing so was not considered safe
- Resource ID
- 384de40ecc71fbb5f6b48ad6
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://obol-x402.fly.dev/v1/validate?payload=%7B%22verdict%22%3A%22PROCEED%22%2C%22confidence%22%3A0.9%7D", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in 402-index
Discovered through self-registered.
- Exact route checked
not safely testable · unresolved-url-template
- Origin unavailable
UNSAFE_URL_ENOTFOUND: https://obol-x402.fly.dev/
- Registry record checked
Registry health: down.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is $0.25 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.