umpire.vimabrosta.com
4 resources listed under umpire.vimabrosta.com.
Source: https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources · last updated 2026-09-18
Resources
Highest assurance verdict: all checks run twice, spaced about a minute
Highest assurance verdict: all checks run twice, spaced about a minute apart, and pass only if both passes pass, so a deliverable staged briefly cannot sneak through. Asynchronous: instant first pass result, webhook or free polling for the signed final document. Designed for the ERC-8183 evaluator role and escrow release evidence. $5.00 per verdict.
Signed verdict with live verification: everything in basic plus up to
Signed verdict with live verification: everything in basic plus up to three network probes of public URLs (HTTP status, keyword, CSS selector, JSON path on the response). Use it to verify a delivered site, API, or published artifact actually works before releasing escrow. Synchronous, Ed25519 signed, verifiable offline. $2.00 per verdict, no account.
Get a signed pass/fail verdict on a deliverable against your acceptanc
Get a signed pass/fail verdict on a deliverable against your acceptance spec, synchronously. Deterministic checks only: JSON Schema conformance, JSON path assertions, sha256 content hash, regex, length bounds. Returns an Ed25519 signed verdict document any third party can verify offline; suitable as evidence for escrow release. $1.00 per verdict, no account.
Proof that the world changed the way your agent says it did
Proof that the world changed the way your agent says it did. One live probe of a public URL against your expectation (HTTP status, keyword, CSS selector, JSON path), answered synchronously as an Ed25519 signed verdict that embeds a signed observation: final URL, resolved address, TLS certificate fingerprint, response headers, raw body sha256, timestamp. A stake free witness against false success, priced to clear unattended wallet caps. $0.25 per verdict, no account.
Machine-readable
All resources from this provider: /discovery/merchant (by payment address) or filter /discovery/resources.