{"uid":"cap_Kn6MXGIXQTPL7mhQW7q0p","slug":"radhikachain-poi-point-of-interest-chain-telemetry-56782d51","name":"RadhikaChain POI — Point-of-Interest Chain Telemetry","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/poi","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":{"root":"e96b3eac15c5...","height":45058,"leaves":2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1.716","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":"$1.716/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1.716","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1.716","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_86O6kob7k5-0udUPrDsmk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1.716","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a verifiable Merkle root, block height, and leaf count for a blockchain chain state checkpoint, enabling cryptographic proof-of-integrity for on-chain data.","exampleAgentPrompt":"Can you fetch the latest verified chain state from RadhikaChain — I need the current Merkle root, block height, and leaf count as a cryptographic checkpoint?","exampleUseCases":[{"title":"Auditing chain state integrity","prompt":"Pull the current Merkle root and block height from RadhikaChain so I can verify our on-chain data hasn't been tampered with since our last audit checkpoint."},{"title":"ZK proof pipeline bootstrapping","prompt":"I need the latest chain telemetry snapshot from RadhikaChain — specifically the Merkle root and leaf count — to bootstrap our Halo2 proof generation pipeline."},{"title":"Real-time block height monitoring","prompt":"Check the current block height and Merkle root on RadhikaChain right now and tell me if it's advanced since height 45000."}],"resultDescription":"A JSON object containing: a Merkle root hash string (cryptographic fingerprint of chain state), the current block height (integer), and the total leaf count in the Merkle tree (integer). Example: {root: 'e96b3eac15c5...', height: 45058, leaves: 2}.","failureModes":["402 Payment Required — x402 payment header missing or insufficient USDC amount","Invalid payment — wrong chain (must be Base eip155:8453) or wrong token (must be native USDC)","503/timeout — chain telemetry service temporarily unavailable","Malformed response if chain state is mid-update","Payment facilitator rejection if x402 scheme version mismatch (must be v2 exact)"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable, pay-per-use chain state snapshot (Merkle root + block height) without requiring account registration or subscription — especially in ZK proof pipelines using Halo2, Nova, or Plonky3, or when auditing on-chain data integrity on Base. Prefer over subscription-based RPC providers when you need occasional, accountless, micropayment-gated chain telemetry.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:33:18.400Z","isFirstParty":false}