{"uid":"cap_uKOwT8yeAHQE0Plro1Z2x","slug":"base-transaction-type-inspector-a5a3d17c","name":"Base Transaction Type 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/base_transaction_type_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":["Future types remain unknown unless their fields are supplied and documented."],"service_id":"base_transaction_type_inspect","analysis_json":"{\"base_specific\":false,\"classification\":\"eip1559\",\"expected_fields\":[\"max_fee_per_gas\",\"max_priority_fee_per_gas\"],\"missing_fields\":[],\"network_context\":{\"accepted_chain_ids\":[\"8453\",\"84532\"],\"deposit_transaction_type\":\"0x7e\",\"fee_model\":\"L2 execution plus caller-supplied L1 data/operator components\",\"protocol_family\":\"OP Stack\"},\"type\":\"0x2\"}","evidence_scope":"caller_supplied_data","analyzed_network":"base"},"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":"base_transaction_type_inspect","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"37c080ae468066e41627e06d1b419cd21ed3b9453494911190c9679af30f1b3e","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tSDKZcnO89Of_oT4JZGcL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Classifies and analyzes a raw Base/Ethereum transaction JSON to determine its EIP type, expected fields, and OP Stack network context","exampleAgentPrompt":"Can you inspect this Base transaction JSON and tell me what type it is, which EIP standard it follows, and whether any required fields like max_fee_per_gas or max_priority_fee_per_gas are missing?","exampleUseCases":[{"title":"Debugging a malformed Base transaction","prompt":"I have a raw transaction JSON I'm about to submit to Base mainnet — can you inspect it to tell me the EIP type, whether it's a Base-specific transaction like a deposit, and flag any missing required fields before I send it?"},{"title":"Verifying OP Stack deposit transaction type","prompt":"Can you analyze this transaction JSON and tell me if it's classified as an OP Stack deposit transaction (type 0x7e) and what the expected fields are for Base network?"},{"title":"Auditing transaction type in a wallet integration","prompt":"I'm building a wallet and I need to confirm this transaction JSON uses EIP-1559 (type 0x2) and is compatible with Base chain IDs 8453 and 84532 — can you run an analysis and show me what the inspector finds?"}],"resultDescription":"Returns a structured analysis including the transaction's EIP classification (e.g. 0x2 for EIP-1559 or 0x7e for OP Stack deposit), whether it is Base-specific, expected and missing fields, and full network context including accepted chain IDs, fee model description, and OP Stack protocol family. Also returns evidence scope and analyzed network identifier.","failureModes":["Malformed JSON string in request_json causes parse failure","Transaction type is unknown or undocumented, triggering a warning about future types","Missing fields in transaction JSON reduce classification confidence","Unsupported transaction format returns incomplete analysis"],"whenToPreferThis":"Use this endpoint when you need to programmatically classify a raw Base or Ethereum transaction JSON by its EIP type, verify field completeness, or understand OP Stack-specific metadata like deposit transaction types and L2 fee models. Prefer this over generic Ethereum tools when working specifically on Base mainnet or Base Sepolia (chain IDs 8453/84532) and needing OP Stack context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:12:21.585Z","isFirstParty":false}