{"uid":"cap_-7osKJW_VJgyWnLsan3Md","slug":"polygon-state-sync-event-inspector-688e70ca","name":"Polygon State Sync Event Inspector","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/polygon_state_sync_event_inspect/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"request_json":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Does not prove registered pairing or relay completion."],"service_id":"polygon_state_sync_event_inspect","analysis_json":"{\"data_bytes\":1,\"data_hash\":\"0x2e3ad575f5877fefc27082d4e7b82e91839c5107c6b82619026d71e2119763dd\",\"network_context\":{\"accepted_chain_ids\":[\"137\",\"80002\"],\"bridge_model\":\"root-child state sync plus checkpoint evidence\",\"completion_policy\":\"never inferred without supplied evidence\",\"protocol_family\":\"Polygon PoS\"},\"receiver\":\"0x0000000000000000000000000000000000000002\",\"registration_verified\":false,\"relay_completion_claimed\":false,\"sender\":\"0x0000000000000000000000000000000000000001\",\"state_id\":\"1\"}","evidence_scope":"caller_supplied_data","analyzed_network":"polygon"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"polygon_state_sync_event_inspect","executionId":"example-execution","startedAtMs":0,"amountAtomic":"15000","resultSha256":"36b17d791bde1c3fd05f184317e57094e230dbec65e8bd9d45aeb4a541e4e8ff","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PlKD7497FFX18_dNrCNXt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes and inspects Polygon PoS state sync events from caller-supplied data, returning structured analysis of state ID, sender, receiver, data hash, and relay completion status.","exampleAgentPrompt":"Can you inspect this Polygon state sync event for me — here's the raw JSON — and tell me the state ID, sender, receiver, data hash, and whether the relay was completed?","exampleUseCases":[{"title":"Bridge relay verification for DeFi protocol","prompt":"I have a Polygon state sync event JSON from our root-to-child bridge transfer and I need to confirm the sender address, receiver address, and data hash, and whether relay completion can be established from this data."},{"title":"Debugging failed Polygon bridge message","prompt":"Our bridge transaction seems stuck — can you analyze this Polygon state sync event JSON and tell me the state ID, what data was sent, and whether registration or relay completion is verified?"},{"title":"Audit trail for Polygon PoS cross-chain state","prompt":"I need to audit this batch of Polygon state sync events — start with this one: here's the JSON. Pull out the state ID, sender, receiver, data bytes, and note any warnings about what can't be proven from the supplied data."}],"resultDescription":"Returns a structured JSON analysis including the state ID, sender and receiver addresses, data bytes count, data hash, relay completion claim status, registration verification flag, network context (accepted chain IDs, bridge model, completion policy, protocol family), and any warnings about what cannot be proven from the supplied data alone.","failureModes":["Invalid or malformed request_json input results in a parse error","Missing required state sync fields in the JSON may produce incomplete analysis","Registration and relay completion cannot be verified from caller-supplied data alone — a warning is always returned for this","Unsupported chain IDs outside Polygon mainnet (137) or Amoy testnet (80002) may not be analyzed correctly","Payment failure (insufficient USDC balance) prevents the call from executing"],"whenToPreferThis":"Use this endpoint when you need to programmatically parse and analyze Polygon PoS state sync event data — particularly for bridge monitoring, DeFi protocol auditing, or debugging cross-chain message relay — and you have the raw event JSON available. It is specifically designed for Polygon root-child state sync events using the checkpoint evidence model, not for Ethereum mainnet events or other L2 bridge protocols.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T07:02:44.254Z","isFirstParty":false}