{"uid":"cap_Gy8XJC__71C-zMbYYc4xe","slug":"synthex-forge-x402-uptime-verification-5a9ba0a1","name":"Synthex Forge x402 Uptime Verification","description":"Synthex Forge x402 Receive: 41 paid verification, attestation and governance endpoints (Ed25519 + SHA-256 signed artifacts) plus free verify/public-key/standard sibling routes. Paid routes answer HTTP 402 with an x402 v2 `payment-required` envelope (atomic USDC on Base mainnet, chain ID 8453). Free routes are declared with `security: []` per the x402scan discovery spec.","url":"https://x402.synthexforge.com/v1/mcp/verify/uptime?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"checks":{"type":"array"},"service_url":{"type":"string"},"last_confirmed_settlement_tx":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ttASaW0L6SkpZv4XLv2ks","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a paid cryptographically-signed uptime/availability verification check for a given service URL, returning an attestation artifact signed with Ed25519","exampleAgentPrompt":"Check the uptime and availability of https://api.myservice.com and give me a cryptographically signed attestation — I need the Ed25519-verified proof of whether it passed, and my last settlement transaction was 0xabc123.","exampleUseCases":[{"title":"SLA compliance attestation for auditors","prompt":"Run an uptime verification check on https://api.paymentprocessor.io and get me a signed attestation I can hand to our compliance team — include the settlement transaction 0xdeadbeef1234 as proof of payment."},{"title":"Governance proof for decentralized protocol","prompt":"I need a tamper-proof, Ed25519-signed uptime certificate for https://rpc.myprotocol.xyz so our DAO can verify we met last month's availability requirements — last confirmed settlement tx is 0xfeed5678."},{"title":"Continuous availability monitoring with signed receipts","prompt":"Verify that https://staging.myapp.com is currently up and give me a signed verification artifact I can store — run the standard availability checks and use settlement tx 0xcafe9012."}],"resultDescription":"Returns a JSON object with an 'ok' boolean indicating whether the service passed the uptime/availability verification, along with a cryptographically signed attestation artifact using Ed25519 + SHA-256, suitable for governance, compliance, or audit purposes.","failureModes":["Payment not received or x402 payment envelope invalid — returns HTTP 402 with payment-required details","Service URL is unreachable or malformed — verification may return ok: false","Invalid or missing last_confirmed_settlement_tx — may reject or fail attestation linkage","Checks array malformed or unsupported check types — validation error","Underlying network issues prevent reaching the target service URL"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically signed, blockchain-payment-backed attestation of service uptime — not just a simple ping or health check. Ideal for compliance, governance, or audit scenarios where tamper-evident proof of availability is required and you can pay $0.25 USDC per verification on Base mainnet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:17:44.227Z","isFirstParty":false,"canonicalSlug":"synthex-forge-x402-uptime-verification-5a9ba0a1"}