{"uid":"cap_EbGkyLYgqqqJwMvkZw_45","slug":"radhikachain-zk-proof-of-knowledge-pok-endpoint-6cff28fb","name":"RadhikaChain ZK Proof of Knowledge (PoK) Endpoint","description":"Telemetria de cadena, inteligencia de defensa y computo verificable (Halo2, Nova, Plonky3). Pago por peticion en USDC nativo en Base (eip155:8453) mediante x402 v2 scheme exact; sin cuenta ni suscripcion. Catalogo canonico: GET /.well-known/x402.","url":"https://x402.radhikachain.xyz/pok","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","properties":{"body":{"type":"object","additionalProperties":true},"queryParams":{"type":"object","additionalProperties":true}}},"output":{"type":"object","properties":{"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{"proof":"...","status":"ok","claimed":4}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"5.148","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":"$5.148/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5.148","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5.148","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NwQgvSKmxiHztjEB80fGs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5.148","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a zero-knowledge proof of knowledge (Halo2/Nova/Plonky3) verifying a claimed value on-chain, returning a proof blob, status, and claimed count, paid per-call in USDC via x402.","exampleAgentPrompt":"Use RadhikaChain's PoK endpoint to generate a zero-knowledge proof of knowledge attesting to my claimed membership count of 4 — I need a Halo2/Nova/Plonky3 proof blob and a status confirmation, paying $0.99 USDC per call via x402.","exampleUseCases":[{"title":"ZK membership proof for private DeFi","prompt":"I need to prove I'm a member of an allowlist for a DeFi protocol without revealing my identity — can you generate a Halo2 zero-knowledge proof of membership with a claimed count of 4 using RadhikaChain's PoK endpoint?"},{"title":"On-chain attestation for audit trail","prompt":"Generate a verifiable ZK proof of knowledge for my claimed transaction count of 4 that I can submit on-chain as a cryptographic attestation — use RadhikaChain's proof-of-knowledge compute endpoint."},{"title":"Verifiable computation for cross-chain bridge","prompt":"I need a Plonky3 STARK proof confirming a claimed value of 4 for a cross-chain bridge verification step — can you call RadhikaChain's PoK endpoint and give me the proof blob and status?"}],"resultDescription":"Returns a JSON object containing a ZK proof blob (base64 or hex-encoded cryptographic proof artifact), a status field indicating success or failure ('ok'), and a claimed integer count representing the number of claims proven. The proof can be submitted on-chain or to a verifier for trustless validation.","failureModes":["Invalid or malformed proof request payload — returns error status","Payment not included or insufficient USDC balance — x402 payment required before computation","ZK circuit constraint violation — proof generation fails if inputs don't satisfy the circuit","Rate limiting or capacity constraints — endpoint may reject requests under high load","Network timeout during proof generation — verifiable compute may take longer than expected for complex circuits"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-use, zero-knowledge proof of knowledge generated by a multi-scheme ZK backend (Halo2, Nova, Plonky3) without requiring account registration or subscriptions. It is ideal for agents needing on-demand cryptographic attestations, membership proofs, or verifiable computation results payable in USDC on Base via x402. Prefer it over hosted ZK SaaS platforms when you want per-call billing with no commitments and native Base USDC settlement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:06:04.322Z","isFirstParty":false}