{"uid":"cap_KdWfZ4jfqfpkwtk0VQL0P","slug":"polygon-address-chain-validator-76b0896b","name":"Polygon Address Chain Validator","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_address_chain_validate/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 ownership, code, or account existence."],"service_id":"polygon_address_chain_validate","analysis_json":"{\"address\":\"0x0000000000000000000000000000000000000001\",\"chain_id\":\"137\",\"network\":\"polygon_pos_mainnet\",\"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\"},\"valid\":true}","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_address_chain_validate","executionId":"example-execution","startedAtMs":0,"amountAtomic":"5000","resultSha256":"82500ceccca712d7c113c1adcd6087ac40d944332f8549c2b50b768846c5f1ff","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xESd4N2eODnIB4mt0bByM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given address is a valid Polygon network address for a specified chain ID (mainnet or testnet)","exampleAgentPrompt":"Can you validate whether 0x0000000000000000000000000000000000000001 is a valid address on the Polygon PoS mainnet (chain ID 137)?","exampleUseCases":[{"title":"Pre-transfer address sanity check","prompt":"Before I send USDC to 0xAbC123...DEF456 on Polygon mainnet, can you confirm that address is valid for chain ID 137?"},{"title":"DApp onboarding address verification","prompt":"A user just entered 0x1234567890abcdef1234567890abcdef12345678 as their Polygon wallet — validate it against Polygon PoS mainnet so I can proceed with onboarding."},{"title":"Testnet address check for dev environment","prompt":"I'm testing on Polygon Mumbai — can you check if 0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef is a valid address on chain ID 80002?"}],"resultDescription":"Returns a JSON object containing: the validated address, chain ID, network name (e.g. polygon_pos_mainnet), network context (accepted chain IDs, bridge model, completion policy, protocol family), a boolean 'valid' field, warnings (e.g. that validation does not prove ownership or account existence), and the evidence scope. Also includes a receipt with payment metadata, execution timing, and a result hash.","failureModes":["Invalid or malformed address format returns validation failure","Unsupported chain ID returns error or undefined network context","Malformed request_json input may return a parsing error","Network unavailability may cause timeout or service error"],"whenToPreferThis":"Use this endpoint when you need a lightweight, cost-effective check that a given address conforms to Polygon network address standards for mainnet (chain 137) or testnet (chain 80002). Prefer this over general EVM validators when you specifically need Polygon-aware network context, protocol family info, and bridge model details. Note: this validates address format and chain compatibility only — it does not verify ownership, contract existence, or account activity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:16:02.063Z","isFirstParty":false}