{"uid":"cap_Xs-VPLSuAMyly3tinvLP8","slug":"synthex-forge-identity-control-proof-attestation-e523f0c3","name":"Synthex Forge Identity Control Proof Attestation","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/identity/control-proof?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"claimer":{"type":"string","description":"Optional who/entity asserting the claim (carried verbatim)."},"identifier":{"type":"string","description":"The controlled identifier (wallet address / DID / public key)."},"control_method":{"type":"string","description":"How control is documented: 'signed-challenge' | 'did-bind' | 'key-position' | 'credential'."},"control_evidence":{"type":"object","description":"Structured control evidence the caller presents (challenge+signature, DID document, key reference, credential-like object, or an open list of signals). Non-determinative — asserts DOCUMENTED CONTROL, never KYC/identity."}}},"responseSchema":{"type":"json","example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MReQozhbfNLU9vzfrUYVG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Accepts structured evidence of identifier control (wallet address, DID, or public key) and returns a signed attestation proving documented control over that identifier.","exampleAgentPrompt":"I need a signed control-proof attestation for wallet address 0xAbC123... using the signed-challenge method — here's the challenge and signature as my control evidence, and the claimer is 'Alice Corp'.","exampleUseCases":[{"title":"Wallet ownership proof for DeFi onboarding","prompt":"Can you get a signed attestation proving that our treasury wallet 0xDeF456... is controlled by our DAO? Use the signed-challenge method and include our challenge hash and signature as the control evidence, with claimer set to 'AcmDAO Treasury'."},{"title":"DID control attestation for credential issuance","prompt":"I need a control-proof for DID did:ethr:0x789... using the did-bind control method — here's the DID document as my control evidence. The claimer is 'Bob Smith'."},{"title":"Key-position control proof for governance voting","prompt":"Generate a control-proof attestation for public key 0xPubKey999 using the key-position control method, providing our key reference object as evidence, so we can demonstrate governance authority for the upcoming vote."}],"resultDescription":"A JSON response with an 'ok: true' confirmation, backed by an Ed25519-signed, SHA-256-hashed artifact attesting that the specified identifier is under documented control by the claimer — not a KYC assertion, purely a control attestation.","failureModes":["Missing required 'identifier' field returns validation error","Unsupported 'control_method' value causes rejection","Malformed or insufficient 'control_evidence' object leads to attestation failure","Payment not received or invalid USDC transaction on Base mainnet (chain ID 8453) results in HTTP 402 payment-required response","Invalid or expired signed challenge in control_evidence causes signature verification failure"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically signed, Ed25519-attested proof-of-control over a wallet address, DID, or public key — especially for governance, credential issuance, or compliance workflows that require a tamper-evident artifact rather than just a boolean verification. Prefer it over generic signature-check utilities when you need a durable, on-record attestation artifact rather than an ephemeral check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:11:35.603Z","isFirstParty":false,"canonicalSlug":"synthex-forge-identity-control-proof-attestation-e523f0c3"}