{"id":"75c61815-cc2b-4e75-a709-f476ff6596e8","shortId":"6ttzxW","kind":"x402","title":"Pay-per-call trade data endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call trade data endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at `/api/v1/trades/2` is part of the lowpaymentfee.com platform, which offers a collection of x402-protocol APIs spanning data & analytics, AI/ML, finance/Web3, and infrastructure utilities. All endpoints use the x402 payment protocol on the Base network, accepting USDC (USD Coin) for per-request micropayments with no API keys, no rate limits, and no commitments required.\n\nThe specific `/api/v1/trades/2` endpoint is listed under \"Premium API Access\" and accepts POST requests. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on the Base network, with a timeout of 300 seconds. The endpoint returns `application/json` responses.\n\nNote that while the provider's landing page lists many API categories (analytics, AI, finance, infrastructure), the specific functionality of this particular trades endpoint is not well-documented. The endpoint path suggests it returns trade-related data (possibly financial or crypto trade information), but no request/response schema, parameter documentation, or example payloads are available from the crawled material. The docs, API, pricing, and README pages all rendered only a \"Connect wallet\" prompt with no substantive content.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-request-pricing","no-api-key","trade-data","json-response"],"categories":["finance","data"],"synonyms":["trade data API","crypto trades","x402 API","micropayment API","USDC pay-per-call","Base network API","lowpaymentfee"],"warnings":["No request or response schema available — the actual data returned by this endpoint is unknown","Documentation pages (/docs, /api, /pricing, /README) all render only 'Connect wallet' with no substantive content","The endpoint name 'Premium API Access' is generic and does not describe what trade data is provided","No OpenAPI spec or AI plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/trades/2","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/trades/2","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge confirmed) with clear pricing ($0.02 USDC on Base), but there is no request/response schema, no parameter documentation, no examples, and the docs pages are empty. The actual functionality of '/api/v1/trades/2' is unclear beyond the generic 'Premium API Access' 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'/request':17,34 '0.02':16,33,125 '000':116 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':133 '20':115 '300':142 '6':121 'Base network API' 'USDC pay-per-call' 'accept':73,104 'access':102 'address':132 'ai':162 'ai/ml':57 'analyt':56,161 'api':53,84,101,159,211 'application/json':147 'avail':204 'base':9,26,71,117,136 'base-network' 'call':4,21 'categori':160 'challeng':109 'coin':76 'collect':48 'commit':91 'connect':220 'content':226 'cost':113 'crawl':207 'crypto':191 'crypto trades' 'data':6,23,55,187 'decim':122 'doc':210 'document':177,199 'endpoint':7,24,36,63,96,145,172,179 'equal':124 'exampl':201 'financ':163 'finance/web3':58 'financi':189 'function':167 'indic':110 'inform':193 'infrastructur':60,164 'json-response' 'key':85 'land':155 'limit':88 'list':98,157 'lowpaymentfee' 'lowpaymentfee.com':43 'made':130 'mani':158 'materi':208 'maximum':112 'micropay':81 'micropayment API' 'network':72,137 'no-api-key' 'note':149 'offer':46 'page':156,215 'paramet':198 'part':40 'particular':170 'path':180 'pay':2,19 'pay-per-cal':1,18 'payload':202 'payment':67,128 'per':3,20,79,126 'per-request':78 'per-request-pricing' 'platform':44 'possibl':188 'post':105 'premium':100 'price':212 'prompt':222 'protocol':52,68 'provid':153 'rate':87 'readm':214 'relat':186 'render':217 'request':80,106,127 'request/response':196 'requir':92 'respons':148 'return':146,183 'schema':197 'second':143 'settl':12,29 'span':54 'specif':94,166 'substant':225 'suggest':181 'timeout':140 'trade':5,22,171,185,192 'trade data API' 'trade-data' 'trade-rel':184 'unit':118 'usd':75 'usdc':14,31,74,120 'usdc-settlement' 'use':64 'util':61 'via':10,27 'wallet':221 'well':176 'well-docu':175 'x402':11,28,51,66,108 'x402 API' 'x402-payment' 'x402-protocol':50","prices":[{"id":"8a6a40ba-e72e-4018-839d-499d04b29cbe","listingId":"75c61815-cc2b-4e75-a709-f476ff6596e8","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/trades/2","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:47.380Z"}],"sources":[{"listingId":"75c61815-cc2b-4e75-a709-f476ff6596e8","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/trades/2","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:47.380Z","lastSeenAt":"2026-04-26T05:32:45.914Z"}],"details":{"listingId":"75c61815-cc2b-4e75-a709-f476ff6596e8","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/trades/2 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/trades/2"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/trades/2"},{"claim":"Payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/trades/2"}],"useCases":["Fetching trade data on a per-request payment basis without needing an API key","Integrating pay-per-call trade information into autonomous agent workflows","Accessing financial trade records via x402 micropayments on Base"],"bestFor":["Agents or applications that need on-demand trade data without subscription commitments","Developers experimenting with x402 pay-per-call protocols on Base","Low-volume consumers who want to avoid API key management"],"notFor":["High-volume consumers who need bulk trade data at lower per-unit cost","Users who need detailed API documentation or guaranteed SLAs before integrating","Anyone without USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:45.847Z"},"updatedAt":"2026-04-26T05:32:45.914Z"}}