{"uid":"cap_7XH5HtgfL-2LQUlCH2aj5","slug":"delx-commerce-base-usdc-amount-check-9bc1a719","name":"Delx Commerce — Base USDC Amount 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/base-usdc-amount-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"amount_raw":{"type":"string","maxLength":8192,"description":"Amount Raw supplied to Base USDC Amount Check; used only for this bounded calculation and processed in memory without retention."},"maximum_raw":{"type":"string","maxLength":8192,"description":"Maximum Raw supplied to Base USDC Amount Check; used only for this bounded calculation and processed in memory without retention."},"expected_raw":{"type":"string","maxLength":8192,"description":"Expected Raw supplied to Base USDC Amount Check; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"matched":true,"amount_raw":"1000","maximum_raw":"2000","expected_raw":"1000","within_maximum":true},"schema":"delx/util-base-usdc-amount-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"475cde95095ef40136b0768b816113c884ea06f6e34f2f469218879405555c5a","external_calls":0},"operation":"evm_preflight:base_usdc_amount_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_moz77Jj0_DxUcI4K3WxAW","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 raw USDC token amount against an expected value and maximum ceiling for EVM preflight safety on Base network","exampleAgentPrompt":"Before sending the payment, check that the raw USDC amount 1000 matches the expected 1000 and doesn't exceed the maximum of 2000 — I want to make sure it's safe to proceed on Base.","exampleUseCases":[{"title":"Preflight USDC payment safety check","prompt":"Before my agent executes this Base USDC transfer, verify that the raw amount 500000 matches the expected 500000 and is within the maximum of 1000000 — confirm it's safe to go ahead."},{"title":"Budget ceiling enforcement for agent spending","prompt":"Check whether a raw USDC amount of 750 is within our agent's maximum spend limit of 1000 and matches the expected charge of 750 before it pays the invoice."},{"title":"Quoted price integrity verification","prompt":"The payment quote came back as raw amount 250000 — verify it matches the expected 250000 and hasn't exceeded our cap of 300000 before I authorize the transaction on Base."}],"resultDescription":"Returns a JSON object indicating whether the amount_raw matches expected_raw (matched: boolean), whether it is within maximum_raw (within_maximum: boolean), the echoed raw values, an overall pass/fail status, and cryptographic evidence including a SHA-256 hash of the input and a confirmation that no data was retained and no external calls were made.","failureModes":["Non-numeric or malformed raw string values may cause validation failure","Missing required fields (amount_raw, expected_raw, maximum_raw) return an error","Amount exceeding maximum returns within_maximum: false and status: fail","Network or service unavailability returns HTTP 5xx","Payment (x402) authentication failure prevents the call from executing"],"whenToPreferThis":"Use this endpoint when an AI agent needs to perform a trustless, verifiable preflight check on a Base USDC raw token amount before submitting an EVM transaction — particularly when you need cryptographic proof (SHA-256 of inputs) that the amount was validated in-memory without retention or external calls. Prefer this over custom validation logic when operating in agentic payment pipelines that require auditable, pay-per-result verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:56.441Z","isFirstParty":false,"canonicalSlug":"delx-commerce-base-usdc-amount-check-9bc1a719"}