{"uid":"cap_WpvfFq6zcqj6ATqyuctIs","slug":"delx-base-settlement-receipt-check-4cec4dc3","name":"Delx Base Settlement Receipt Check","description":"Base Settlement Receipt Check: Base Settlement Receipt Check checks caller-supplied receipt chain, status, recipient, and raw amount from bounded caller-supplied values without an external provider. Call Base Settlement Receipt Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for Base Settlement Receipt Check as versi…","url":"https://api.delx.ai/api/v1/x402/base-settlement-receipt-check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"receipt":{"type":"object","description":"Receipt supplied to Base Settlement Receipt Check; used only for this bounded calculation and processed in memory without retention.","maxProperties":128,"additionalProperties":true},"expected_recipient":{"type":"string","maxLength":8192,"description":"Expected Recipient supplied to Base Settlement Receipt Check; used only for this bounded calculation and processed in memory without retention."},"expected_amount_raw":{"type":"string","maxLength":8192,"description":"Expected Amount Raw supplied to Base Settlement Receipt Check; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"chain_match":true,"amount_match":true,"status_success":true,"recipient_match":true,"onchain_verified":false},"schema":"delx/util-base-settlement-receipt-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"7f5a14a56828aeeef17308408fd528ebad754eaf15b74a541935ea910a050663","external_calls":0},"operation":"evm_preflight:base_settlement_receipt_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_IoOMEHBF_8VGVF6Z7i-In","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":"Validates a Base blockchain settlement receipt against expected recipient address and amount, returning a structured pass/fail verification result.","exampleAgentPrompt":"Check this Base settlement receipt for me — the expected recipient is 0xABC...123 and the expected raw amount is 1000000 — I need to know if the chain, recipient, and amount all match before I release the order.","exampleUseCases":[{"title":"Pre-flight payment check before service delivery","prompt":"Before I release the API response to that agent, verify this receipt object against recipient 0xDEF...456 and raw amount 500000 — tell me if chain, recipient, and amount all pass so I know it's safe to proceed."},{"title":"Auditing x402 agent payment receipts","prompt":"I've collected a bunch of x402 payment receipts from my agent fleet — can you check this one receipt against expected recipient 0x789...ABC and raw amount 2000000 to confirm it's legitimate and the amounts match?"},{"title":"Validating settlement before releasing digital goods","prompt":"A customer just submitted a Base chain payment receipt — validate it against recipient address 0x111...222 and raw expected amount 750000 to confirm the payment is correct before I unlock their download."}],"resultDescription":"Returns a JSON object with a 'status' field ('pass'/'fail'), a 'result' object containing boolean flags for chain_match, amount_match, recipient_match, status_success, and onchain_verified, plus an 'evidence' block with the input SHA-256 hash, retained flag (always false), and external_calls count. Also includes the operation name and schema version.","failureModes":["Mismatched receipt format or missing required fields returns validation failure","Incorrect expected_recipient or expected_amount_raw causes match flags to return false","Malformed address strings may cause recipient_match to be false even if payment was correct","onchain_verified may return false if the service only performs preflight checks without querying the chain","Exceeding maxProperties 128 on the receipt object may cause request rejection"],"whenToPreferThis":"Use this endpoint when you need a fast, in-memory preflight check of a Base network settlement receipt without making external blockchain calls. Ideal for x402 payment workflows where you want to confirm recipient address and raw amount correctness before releasing a service or resource. Prefer this over a full on-chain verification when latency matters and you trust the receipt source enough for a preflight gate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:58:35.235Z","isFirstParty":false}