{"uid":"cap_0NSP_3VAAE2pLysV49dW7","slug":"base-block-gas-report-2cb5ba9c","name":"Base Block Gas Report","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_block_gas_report/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 establish canonical, safe, or finalized status."],"service_id":"base_block_gas_report","analysis_json":"{\"base_fee_per_gas\":\"100\",\"gas_limit\":\"30000000\",\"gas_used\":\"21000\",\"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\"},\"number\":\"1\",\"transaction_count\":1,\"transaction_types\":{\"0x2\":1},\"utilization_ppm\":\"700\"}","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_block_gas_report","executionId":"example-execution","startedAtMs":0,"amountAtomic":"15000","resultSha256":"7b8dd75f9501246421928c2eb435f8558558b5a18d569853331a3ef9367ccdb4","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_vO8TJtxWgucAQVj6f2-Ol","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 gas usage, base fee, utilization, and transaction composition for a given Base network block","exampleAgentPrompt":"Can you analyze the gas report for Base block number 1 — I want to see the base fee, gas utilization, transaction count, and transaction type breakdown?","exampleUseCases":[{"title":"Block gas efficiency audit","prompt":"I need a full gas report for Base block 18500000 — give me the base fee per gas, how much gas was used vs the limit, the utilization rate, and what types of transactions were in it."},{"title":"Monitor network congestion spike","prompt":"Pull the gas analytics for this Base block data I have — I want to know if utilization was unusually high and what the base fee looked like at that moment."},{"title":"Transaction composition analysis","prompt":"For Base block 19200000, break down how many transactions there were and what EIP types they used — I'm trying to understand what drove gas usage in that block."}],"resultDescription":"Returns a structured JSON analysis of the block including: base_fee_per_gas, gas_limit, gas_used, utilization in parts-per-million (ppm), transaction_count, a map of transaction types (e.g. EIP-1559 type 0x2), network context (accepted chain IDs, fee model, protocol family), and a warnings array noting any caveats about finality or canonical status. Also includes a receipt with payment metadata and a SHA-256 hash of the result.","failureModes":["Malformed or missing request_json causes validation error","Block data referencing unsupported chain IDs returns network mismatch error","Incomplete block data (missing gas fields) may produce partial or warning-heavy output","Payment failure (insufficient USDC) returns 402 before execution","Caller-supplied data that doesn't conform to Base block structure may yield unreliable metrics"],"whenToPreferThis":"Use this endpoint when you need structured gas analytics for a specific Base (or Base Sepolia) block — especially when working with OP Stack fee models, EIP-1559 transaction breakdowns, or L2 execution cost analysis. Prefer this over raw RPC calls when you want pre-computed utilization metrics and transaction type aggregation in a single pay-per-call response without managing your own node or indexer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T07:02:58.568Z","isFirstParty":false}