{"uid":"cap_ebhr9mDAsmQVXhZaUg1E4","slug":"synthex-forge-signed-snapshot-accb1732","name":"Synthex Forge Signed Snapshot","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/data/signed-snapshot?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"series":{"type":"array","items":{"type":"object"},"description":"Data rows of the snapshot: [{key, value, ...}]"},"sources":{"type":"array","items":{"type":"object"},"description":"Source citations: [{url?, title?, publisher?, retrievedAt?}]"},"subject":{"type":"string","description":"Optional human label for the thing being snapshotted."},"fetched_at":{"type":["integer","null"],"description":"Unix seconds when the caller fetched the data (freshness anchor)."}}},"responseSchema":{"type":"json","example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.3","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":"$0.3/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.3","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.3","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_64M3rEEEjRQz_ngffPl5u","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.3","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Creates a cryptographically signed (Ed25519 + SHA-256) attestation artifact from a caller-supplied data snapshot, returning a verifiable governance record on Base mainnet via x402 micropayment.","exampleAgentPrompt":"Take this dataset of market prices I fetched at Unix time 1718000000 — rows like [{key: 'BTC', value: '67000'}] with source citations from coinmarketcap.com — and create a signed snapshot attestation labeled 'BTC price snapshot' so I have a tamper-evident governance record of it.","exampleUseCases":[{"title":"Audit trail for scraped research data","prompt":"I just pulled a table of clinical trial results from clinicaltrials.gov at Unix timestamp 1718100000. Can you create a signed snapshot of these rows — [{trial_id: 'NCT001', status: 'completed', phase: '3'}] — with the source cited as clinicaltrials.gov, subject labeled 'Phase 3 trial results', so I have a verifiable attestation for our compliance team?"},{"title":"Provenance record for financial data feed","prompt":"Attest this snapshot of exchange rates I fetched at Unix time 1718200000: series rows like [{currency: 'EUR', rate: '1.08'}], source is ECB europa.eu, subject is 'EUR/USD daily rate'. I need a cryptographically signed governance artifact I can point auditors to."},{"title":"Governance snapshot for AI model benchmark","prompt":"Create a signed data snapshot of these benchmark scores — [{model: 'gpt-4o', score: '92.3'}, {model: 'claude-3', score: '91.1'}] — fetched at Unix time 1718300000, with sources from huggingface.co, subject 'LLM benchmark leaderboard'. I want an Ed25519-attested artifact I can reference in our model governance report."}],"resultDescription":"Returns a JSON object with {ok: true} confirming that the signed snapshot artifact was successfully created and recorded. The signed attestation (Ed25519 + SHA-256) is stored by Synthex Forge as a verifiable governance record, anchored to Base mainnet via x402 micropayment confirmation.","failureModes":["HTTP 402 returned if x402 USDC payment on Base mainnet (chain ID 8453) has not been completed or is malformed","Empty or missing series array may cause validation failure or an attestation of an empty snapshot","Invalid fetched_at timestamp (non-integer or far-future value) may be rejected or cause freshness anchor errors","Malformed source citation objects (missing required fields) may result in incomplete provenance records","Network or signing service outage returns non-200 error with no artifact created"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically signed, verifiable attestation of a specific data snapshot — especially when source provenance, audit trails, or governance compliance are required. It is ideal for AI agents that need to prove the state of data at a point in time with Ed25519 signatures and SHA-256 hashing. Prefer it over simple logging when tamper-evidence and blockchain-anchored proof of data collection are needed. Not suitable for free-tier use cases, real-time streaming data, or scenarios where micropayment (USDC on Base) is not feasible.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:20:03.613Z","isFirstParty":false,"canonicalSlug":"synthex-forge-signed-snapshot-accb1732"}