{"uid":"cap_5BA3-gOntAUAhW0sIDSTH","slug":"radhikachain-zk-fold-nova-proof-folding-endpoint-96b8ba5f","name":"RadhikaChain ZK Fold — Nova Proof Folding 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.radhikatmosphere.com/zk/fold","method":"GET","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":{"ok":true,"nota":"plegado ejecutado en esta peticion, no una cifra precalculada","pasos":4,"curvas":"BN256 / Grumpkin","propiedad":"prueba de tamano constante: 4 pasos o 4000 se verifican igual de rapido","estado_final":"0x0000000000000000000000000000000000000000000000000de0c0b4ccfc8eba"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"6.032","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":"$6.032/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"6.032","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"6.032","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WEZ0EKCyp4I43QGvDn98H","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"6.032","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Executes a Nova-based recursive proof folding computation on BN256/Grumpkin curves and returns a live constant-size proof with step count and final state hash","exampleAgentPrompt":"Run a live Nova proof folding computation on BN256/Grumpkin curves and show me the step count, final state hash, and proof that it stays constant-size no matter how many steps you fold.","exampleUseCases":[{"title":"Live Nova folding proof demo","prompt":"Execute a Nova fold right now on BN256/Grumpkin and give me the actual step count and final state hash — I want to confirm it computes on demand, not from a cache."},{"title":"Constant-size proof property test","prompt":"Can you run the ZK fold endpoint and show me proof that 4 folding steps produces the same proof size as 4000 steps would — I need to understand the constant-size property for a presentation."},{"title":"Verifiable computation audit check","prompt":"I need a live recursive proof result from the Nova folding scheme using BN256/Grumpkin curves with the final state hash, so I can audit that the computation was actually executed this request."}],"resultDescription":"Returns a JSON object with ok status, a note confirming the fold was executed live (not precomputed), the number of folding steps performed, the curve pair used (BN256/Grumpkin), a description of the constant-size proof property, and the final state hash as a hex string.","failureModes":["Missing or invalid x402 USDC payment header returns 402 Payment Required","Insufficient payment amount (must be exactly $1.16 USDC on Base chain) causes rejection","Network issues with Base chain payment settlement may cause timeout","Malformed request headers may return 400 Bad Request","Service unavailability returns 503"],"whenToPreferThis":"Choose this endpoint when you need an on-demand, live Nova recursive proof folding execution on BN256/Grumpkin curves with a verifiable final state hash — particularly when you need to demonstrate or audit the constant-size proof property (that verification time is the same for 4 or 4000 steps). Prefer this over precomputed ZK services when freshness and liveness of computation matter. Best suited for pay-per-use scenarios where no account or subscription is desired.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:39:16.920Z","isFirstParty":false}