{"id":"91b718ff-8e25-47f0-a754-3af696d15094","shortId":"ND2UWW","kind":"x402","title":"Transaction receipt endpoint on Base, paid per-call via x402 with USDC.","tagline":"Transaction receipt endpoint on Base, paid per-call via x402 with USDC.","description":"This endpoint at lowpaymentfee.com retrieves a transaction receipt for a given transaction ID (in this case, ID 10). It is part of a broader suite of pay-per-request APIs offered by lowpaymentfee.com, spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. All endpoints are gated via the x402 payment protocol, settling in USDC on the Base network.\n\nThe specific endpoint probed (`/api/v1/transactions/10/receipt`) accepts POST requests and returns JSON. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). The provider advertises a flat $0.02/request pricing across all endpoints, with no API keys, no rate limits, and no minimum commitments required.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no additional technical content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples. The exact data returned by this receipt endpoint is unknown beyond the stated mime type of application/json.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","transaction-receipt","pay-per-request","no-api-key","json-response"],"categories":["finance","infrastructure"],"synonyms":["transaction receipt","payment receipt","tx receipt","lowpaymentfee","x402 api","micropayment api","base usdc api"],"warnings":["No API documentation available; /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition found for request or response payloads.","The exact data returned by this endpoint is unknown; 'Premium API Access' is a generic description.","The endpoint path includes a hardcoded transaction ID (10); it is unclear how to query arbitrary transaction IDs."],"endpointUrl":"https://lowpaymentfee.com/api/v1/transactions/10/receipt","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/transactions/10/receipt","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, documentation is essentially nonexistent—no OpenAPI spec, no request/response schemas, no examples. The purpose of this specific receipt endpoint is only inferable from its URL path. This is effectively a stub 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'/api/v1/transactions/10/receipt':91 '/docs':162 '/pricing':163 '/readme':166 '/request':131 '0.02':118,130 '000':107 '0x8335':112 '10':44 '20':106 '2913':113 '6':123 'accept':92 'across':133 'addit':177 'advertis':127 'ai/ml':64 'analyt':63 'api':57,138 'application/json':209 'avail':156 'base':5,18,85,108,115 'base usdc api' 'base-network' 'beyond':203 'broader':50 'call':9,22 'case':42 'challeng':100 'commit':146 'connect':172 'content':179 'cost':104 'data':62,67,195 'decim':124 'document':148,188 'endpoint':3,16,28,72,89,135,157,200 'equal':117 'exact':194 'exampl':192 'extrem':150 'finance/web3':66 'flat':129 'gate':74 'given':37 'id':39,43 'indic':101 'infer':65 'infrastructur':69 'json':97 'json-response' 'key':139 'land':153 'limit':142 'list':155 'lowpaymentfee' 'lowpaymentfee.com':30,60 'maximum':103 'micropayment api' 'mime':206 'minimum':145 'network':86 'no-api-key' 'offer':58 'openapi':183 'page':154,167 'paid':6,19 'part':47 'pay':54 'pay-per-request':53 'payment':78 'payment receipt' 'per':8,21,55,119 'per-cal':7,20 'post':93 'price':132,159 'probe':90 'prompt':174 'protocol':79 'provid':126 'rate':141 'receipt':2,15,34,199 'render':169 'request':56,94,120 'request/response':186 'requir':147 'retriev':31 'return':96,196 'schema':187 'settl':80 'span':61 'spars':151 'spec':184 'specif':88 'state':205 'suit':51 'technic':178 'transact':1,14,33,38 'transaction receipt' 'transaction-receipt' 'tx receipt' 'type':207 'unit':109 'unknown':202 'usag':191 'usdc':13,26,82,111,121 'usdc-settlement' 'use':122 'util':70 'via':10,23,75 'wallet':173 'x402':11,24,77,99 'x402 api' 'x402-payment'","prices":[{"id":"2cb11985-7d38-4b6a-af7d-d4b50d1c7fd0","listingId":"91b718ff-8e25-47f0-a754-3af696d15094","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/transactions/10/receipt","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:58:21.958Z"}],"sources":[{"listingId":"91b718ff-8e25-47f0-a754-3af696d15094","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/transactions/10/receipt","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:58:21.958Z","lastSeenAt":"2026-04-25T01:32:59.741Z"}],"details":{"listingId":"91b718ff-8e25-47f0-a754-3af696d15094","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/transactions/10/receipt \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Flat pricing of $0.02 per request across all endpoints","source_url":"https://lowpaymentfee.com"},{"claim":"No API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base","source_url":"https://lowpaymentfee.com/api/v1/transactions/10/receipt"},{"claim":"Available API categories include Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving a receipt for a completed transaction by ID","Programmatic verification of payment or transaction records","Agent-driven workflows that need proof-of-transaction data"],"bestFor":["Agents needing on-demand transaction receipts without API key management","Micropayment-friendly workflows on Base network","Developers exploring x402 pay-per-call patterns"],"notFor":["Bulk historical transaction data retrieval (no batch endpoint documented)","Users who need detailed API documentation or SDKs before integrating","Non-crypto payment flows (only USDC on Base is accepted)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:44.288Z"},"updatedAt":"2026-04-25T01:32:59.741Z"}}