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Also sells reputation reads on merchant wallets built only from payment verified feedback. $0.01 to $5.00 per document, USDC on Base or Solana, no account.","base_url":"https://umpire.vimabrosta.com","website_url":"https://umpire.vimabrosta.com/manual","category":"Verification","endpoint_count":5,"min_price_usd":0.01,"uptime_24h":100,"source":"submitted","status":"online","verified":false,"verified_until":null,"payment_ready":true,"payment_ready_until":"2026-11-01T01:45:19.787Z","last_success_at":"2026-10-25T01:45:19.787Z","consecutive_failures":0,"check_interval_minutes":15,"last_checked_at":"2026-10-25T01:45:19.787Z","created_at":"2026-09-14T19:22:08.328Z","uptime":{"24h":100,"7d":100,"30d":100,"90d":100,"coverage":{"24h":{"daysCovered":1,"checkCount":4},"7d":{"daysCovered":7,"checkCount":536},"30d":{"daysCovered":30,"checkCount":2602},"90d":{"daysCovered":42,"checkCount":3609}}},"avg_response_time_ms":275,"total_checks":2774,"networks":["BSE","SOL"],"networks_caip2":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"asset":"USDC","endpoints":[{"id":"846383fb-bc41-434d-bc7a-f574a619b4cc","method":"GET","path":"/v1/reputation","description":"Read the payment verified reputation of any merchant wallet address. 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Deterministic checks only: JSON Schema conformance, JSON path assertions, sha256 content hash, regex, length bounds. 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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.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-14T19:22:08.328Z","last_seen_at":"2026-10-25T01:45:18.432Z","variable_amount":false,"min_price_usd":2,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"2000000","price_usd":"2.0000000000","pay_to":"0xd63e74bCB00757C8fDb1817F1558ed8b97C608b6","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"2000000","price_usd":"2.0000000000","pay_to":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"So11111111111111111111111111111111111111112","asset_address_norm":"So11111111111111111111111111111111111111112","asset_name":"UNKNOWN","price":"19840689","price_usd":null,"pay_to":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"fdb3f7da-f77a-479e-878d-0f4e98c32a06","method":"GET","path":"/v1/verdicts/sworn","description":"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.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-14T19:22:08.328Z","last_seen_at":"2026-10-25T01:45:17.192Z","variable_amount":false,"min_price_usd":5,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000000","price_usd":"5.0000000000","pay_to":"0xd63e74bCB00757C8fDb1817F1558ed8b97C608b6","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"5000000","price_usd":"5.0000000000","pay_to":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"So11111111111111111111111111111111111111112","asset_address_norm":"So11111111111111111111111111111111111111112","asset_name":"UNKNOWN","price":"49601721","price_usd":null,"pay_to":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"3dc8c13a-5f02-451a-b532-3f46f4ee587e","method":"GET","path":"/v1/verdicts/witness","description":"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.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-14T19:22:08.328Z","last_seen_at":"2026-10-25T01:45:16.486Z","variable_amount":false,"min_price_usd":0.25,"networks":["BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"0xd63e74bCB00757C8fDb1817F1558ed8b97C608b6","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs","max_timeout_seconds":120},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"So11111111111111111111111111111111111111112","asset_address_norm":"So11111111111111111111111111111111111111112","asset_name":"UNKNOWN","price":"2480087","price_usd":null,"pay_to":"8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs","max_timeout_seconds":120}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-10-25T01:53:13.444Z","input_hash":"019c5456a2d0865985bba9ff71b8e39a860674f6ad5df9dcee99af671fa1ce7a","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":100,"7d":100,"30d":100,"90d":100},"response_p95_ms":274,"avg_response_ms":275,"last_checked_at":"2026-10-25T01:45:19.787Z","consecutive_failures":0,"total_checks":2774},"compliance":{"grade":"A","passed":14,"total":14,"checks":[{"id":"payload_captured","label":"402 payload captured","pass":true},{"id":"accepts_present","label":"accepts[] array present","pass":true},{"id":"payto_recoverable","label":"payTo address recoverable","pass":true},{"id":"payto_conformant","label":"payTo at accepts[0].payTo (conformant shape)","pass":true},{"id":"payto_shape","label":"payTo is a valid on-chain address","pass":true},{"id":"price_present","label":"atomic price declared","pass":true},{"id":"price_sane","label":"atomic price in a sane range","pass":true},{"id":"asset_declared","label":"asset (token) address declared","pass":true},{"id":"network_caip2","label":"network resolves to CAIP-2","pass":true},{"id":"scheme_declared","label":"payment scheme declared","pass":true},{"id":"transport_https","label":"served over HTTPS","pass":true},{"id":"x402_version_current","label":"declares the current x402 version (2)","pass":true},{"id":"eip712_domain_extra","label":"EIP-712 domain parameters present on every EVM entry","pass":true},{"id":"version_channel_coherent","label":"x402 v2 envelope delivered in the payment-required header","pass":true}],"pay_to_source":"payTo","pay_to_location":"accept","staleness":{"probe_failing":false,"last_success_at":"2026-10-25T01:45:19.787Z","envelope_captured_at":"2026-10-25T01:45:19.787Z"}},"site":{"homepage":true,"openapi":true,"pricing":true,"llms_txt":true,"robots":true,"terms":true,"checked_at":"2026-10-23T15:13:02.271Z"},"domain":{"age_days":88,"registrar":"Cloudflare, Inc.","free_host":false,"created_date":"2026-07-24T04:16:57.000Z","checked_at":"2026-10-20T14:03:13.576Z"},"economics":{"price_usd":0.01,"price_atomic":"10000","model":"tiered","category_percentile":45,"stability":1,"price_max_usd":5,"category_percentile_max":95,"endpoint_count":5,"distinct_price_count":5},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":{"status":"measured","volume_usd_30d":0,"tx_count_30d":0,"unique_buyers_30d":0,"last_settlement_at":null,"top_buyer_share_30d":null,"top_3_buyers_share_30d":null,"concentrated_volume":false,"trend_7d_vs_30d":null,"shared_payout":false,"shared_with":0,"measured_networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d"],"first_settlement_at":null,"volume_usd_all_time":0,"tx_count_all_time":0,"median_settlement_usd_30d":null,"max_settlement_usd_30d":null,"settled_via":[],"settled_via_detail":[],"shared_with_services":[],"pro_quota_share":1,"caveat":"Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.","all_time_caveat":"All-time is floored at the start of our harvest window, not the service full history."}}},"provenance":{"license":"CC-BY-4.0","attribution_required":true,"attribution":"Data: x402-list.com (CC BY 4.0)","cite_as":"https://x402-list.com/services/umpire","source":"https://x402-list.com"}}