{"uid":"cap_Sk94fqQ_DMT-KMhtV9WjT","slug":"m2mcent-defi-zk-proof-indexer-b7608468","name":"M2MCent DeFi ZK Proof Indexer","description":"The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.","url":"https://api.m2mcent.com/defi-zk-proof-indexer-mcp-324/api/execute?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["hash"],"properties":{"hash":{"type":"string"}}},"responseSchema":{"type":"object","required":["prediction"],"properties":{"prediction":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$1.32799/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1.32799","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1.32799","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_N2Pbu5eULvUQ4IYo6qwUQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1.32799","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Submits a hash to a DeFi ZK proof indexer and returns a boolean prediction result","exampleAgentPrompt":"Check if this ZK proof hash is valid using the DeFi ZK proof indexer: 0xabc123def456...","exampleUseCases":[{"title":"ZK proof validity check","prompt":"I have a ZK proof hash from a DeFi transaction — can you run it through the ZK proof indexer and tell me if it comes back true or false? The hash is 0x7f3a9b2c1d4e5f6a."},{"title":"Automated DeFi proof auditing","prompt":"For each of these ZK proof hashes from our DeFi protocol, check the indexer and flag any that return false — starting with 0xdeadbeef12345678."},{"title":"On-chain proof verification pipeline","prompt":"Before we finalize this settlement, verify the ZK proof hash 0x1a2b3c4d5e6f7890 through the DeFi proof indexer and confirm it returns a positive prediction."}],"resultDescription":"Returns a JSON object with a single boolean field 'prediction' — true if the submitted hash passes ZK proof indexer validation, false otherwise.","failureModes":["Missing or malformed hash input returns a validation error","Hash not found in index may return false rather than an explicit not-found error","Service unavailability may return HTTP 5xx or payment-related 402 errors","Ambiguous boolean false could mean invalid proof or unknown hash"],"whenToPreferThis":"Use this endpoint when you need a simple true/false ZK proof validation result for a given hash in a DeFi context, especially when integrating with x402 micropayment-gated workflows on Base L2.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:44:20.197Z","isFirstParty":false,"canonicalSlug":"m2mcent-defi-zk-proof-indexer-b7608468"}