{"id":"b05b4e4b-f6b3-46a0-82e1-06b3e3b56bfa","shortId":"JUyLNr","kind":"x402","title":"EUR/CAD forex rate via x402 micropayment on Base, $0.02 per request.","tagline":"EUR/CAD forex rate via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides EUR/CAD foreign exchange rate data, accessible through the x402 payment protocol. It is part of a broader suite of APIs hosted at lowpaymentfee.com covering finance, analytics, AI/ML, crypto, and utility services. All endpoints on the platform share a uniform pricing model of $0.02 per request, settled in USDC on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled inline via the x402 protocol: callers include an X-PAYMENT header with a signed payment of up to 20,000 base units of USDC (i.e., $0.02, since USDC uses 6 decimals). No API keys or account registration are required — access is granted per-request upon valid payment. The platform advertises no rate limits.\n\nDocumentation beyond the landing page is sparse. The /docs, /pricing, /api, and /README pages all resolve to a minimal \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available from the crawled material. The exact fields returned (bid, ask, mid, timestamp, etc.) are not documented and must be inferred from the forex context.","tags":[],"capabilities":["forex-rates","eur-cad","x402-payment","usdc-base","per-request-pricing","no-api-key","json-response"],"categories":["finance","forex"],"synonyms":["EUR/CAD exchange rate","euro to canadian dollar","forex API","currency conversion","FX rate","exchange rate API","EURCAD"],"warnings":["No OpenAPI or schema documentation available — request and response formats are unknown","All documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompt with no technical content","Response fields (bid, ask, timestamp, etc.) are not documented and are inferred from the forex context","No information on data source, update frequency, or accuracy guarantees"],"endpointUrl":"https://lowpaymentfee.com/api/v1/forex/EURCAD","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/forex/EURCAD","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 captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documented parameters, and no example payloads. All detail pages return only 'Connect wallet' with no usable documentation. The actual data returned must be entirely inferred from the endpoint 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'/docs':152 '/pricing':153 '/readme':156 '0.02':9,20,68,115 '000':109 '20':108 '6':119 'EUR/CAD exchange rate' 'EURCAD' 'FX rate' 'accept':80 'access':31,129 'account':125 'addit':168 'advertis':140 'ai/ml':52 'analyt':51 'api':45,122 'ask':193 'avail':183 'base':8,19,76,110 'beyond':145 'bid':192 'broader':42 'caller':94 'connect':163 'context':207 'cover':49 'crawl':186 'crypto':53 'currency conversion' 'data':30 'decim':120 'detail':170 'document':144,199 'endpoint':24,58,79 'etc':196 'eur-cad' 'eur/cad':1,12,26 'euro to canadian dollar' 'exact':189 'exampl':181 'exchang':28 'exchange rate API' 'field':190 'financ':50 'foreign':27 'forex':2,13,206 'forex API' 'forex-rates' 'grant':131 'handl':88 'header':100 'host':46 'i.e':114 'includ':95 'infer':203 'inlin':89 'json':85 'json-response' 'key':123 'land':147 'limit':143 'lowpaymentfee.com':48 'materi':187 'micropay':6,17 'mid':194 'minim':162 'model':66 'must':201 'network':77 'no-api-key' 'openapi':174 'page':148,157 'part':39 'payload':182 'payment':35,86,99,104,137 'per':10,21,69,133 'per-request':132 'per-request-pricing' 'platform':61,139 'post':81 'price':65 'prompt':165 'protocol':36,93 'provid':25 'rate':3,14,29,142 'registr':126 'request':11,22,70,82,134 'request/response':177 'requir':128 'resolv':159 'return':84,191 'schema':178 'servic':56 'settl':71 'share':62 'sign':103 'sinc':116 'spars':150 'spec':175 'suit':43 'technic':169 'timestamp':195 'uniform':64 'unit':111 'upon':135 'usdc':73,113,117 'usdc-base' 'use':118 'util':55 'valid':136 'via':4,15,90 'wallet':164 'x':98 'x-payment':97 'x402':5,16,34,92 'x402-payment'","prices":[{"id":"323fb342-1422-4363-a457-d730eb920039","listingId":"b05b4e4b-f6b3-46a0-82e1-06b3e3b56bfa","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/forex/EURCAD","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:39.593Z"}],"sources":[{"listingId":"b05b4e4b-f6b3-46a0-82e1-06b3e3b56bfa","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/forex/EURCAD","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:39.593Z","lastSeenAt":"2026-04-29T14:34:10.128Z"}],"details":{"listingId":"b05b4e4b-f6b3-46a0-82e1-06b3e3b56bfa","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/forex/EURCAD \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/forex/EURCAD"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/forex/EURCAD"}],"useCases":["Fetching real-time or recent EUR/CAD exchange rates for trading applications","Integrating forex data into financial dashboards without API key management","Agent-driven currency lookups paid per-call via x402 micropayments","Automated FX rate monitoring for cross-border payment calculations"],"bestFor":["Developers wanting pay-per-use forex data with no signup","AI agents that can settle x402 payments on Base","Low-volume or sporadic EUR/CAD rate lookups"],"notFor":["High-frequency trading requiring sub-millisecond latency and guaranteed SLAs","Users needing comprehensive multi-pair forex streaming feeds","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:18.011Z"},"updatedAt":"2026-04-29T14:34:10.128Z"}}