{"uid":"cap_6vT1vkH9SbnPDpqn63f-d","slug":"delx-commerce-evm-finality-depth-check-e224354e","name":"Delx Commerce — EVM Finality Depth Check","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/evm-finality-depth-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"current_block":{"type":"integer","description":"Current Block supplied to EVM Finality Depth Check; used only for this bounded calculation and processed in memory without retention."},"inclusion_block":{"type":"integer","description":"Inclusion Block supplied to EVM Finality Depth Check; used only for this bounded calculation and processed in memory without retention."},"required_confirmations":{"type":"integer","description":"Required Confirmations supplied to EVM Finality Depth Check; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"final":true,"confirmations":13,"required_confirmations":10},"schema":"delx/util-evm-finality-depth-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"a22f206fc93ec7aa456682a387c45bab6f2594ad1220aa7f26d7561636798f44","external_calls":0},"operation":"evm_preflight:evm_finality_depth_check"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y8kztWiQY-5NUQk1RaiJ6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a transaction included at a given EVM block height has reached finality based on a required confirmation depth","exampleAgentPrompt":"Check if the transaction included at block 21500000 is final — the current block is 21500013 and I require at least 10 confirmations.","exampleUseCases":[{"title":"Pre-payment finality check for DeFi agent","prompt":"Before I release funds, confirm whether the deposit included at block 21480000 is final — current block is 21480015 and I need 12 confirmations to proceed."},{"title":"Bridge transfer confirmation gate","prompt":"We're bridging tokens cross-chain and the lock transaction landed at block 19200050. Current block is 19200065. Tell me if we've hit our 10-confirmation finality threshold so we can mint on the destination chain."},{"title":"NFT settlement finality verification","prompt":"An NFT sale settled at block 20100000. The chain is currently at block 20100008. We require 6 confirmations — is the transaction final yet?"}],"resultDescription":"Returns a JSON object indicating whether the transaction is final (boolean), the number of confirmations accumulated (current_block minus inclusion_block), the required confirmation threshold, the operation schema identifier, a pass/fail status, and tamper-evident evidence including the SHA-256 hash of the input and a flag confirming no data was retained externally.","failureModes":["Missing required fields (current_block, inclusion_block, or required_confirmations) result in a validation error","current_block less than inclusion_block produces a negative depth, likely an error response","Non-integer input types cause schema validation failure","Payment failure via x402 (insufficient USDC balance) blocks the call"],"whenToPreferThis":"Choose this endpoint when an agent needs a lightweight, pay-per-call, verifiable finality depth check without setting up infrastructure or signing up for a service. It is ideal for EVM preflight checks in agentic pipelines where tamper-evident evidence (SHA-256 of inputs, no data retention) and a deterministic computation are required. Prefer it over full node queries when you only need a bounded depth calculation and want a receipted, auditable result for $0.001 USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:55.929Z","isFirstParty":false,"canonicalSlug":"delx-commerce-evm-finality-depth-check-e224354e"}