{"id":"b0081d22-ef83-45ae-8228-ccf4d9aeed74","shortId":"QBpnh7","kind":"x402","title":"GBP/CAD forex exchange rate via x402 micropayment on Base for $0.02 per request.","tagline":"GBP/CAD forex exchange rate via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current GBP/CAD foreign exchange rate, accessible via the x402 payment protocol on the Base network. It is part of a broader suite of APIs offered by lowpaymentfee.com spanning finance, analytics, AI/ML, crypto, and utility services, all priced at $0.02 per request paid in USDC.\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 USDC payment on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02. No API keys, accounts, or rate limits are advertised — access is purely pay-per-call.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what fields the forex rate response contains. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response format must be inferred.","tags":[],"capabilities":["forex-rate","gbp-cad","x402-payment","usdc-base","pay-per-request","real-time-exchange-rate"],"categories":["finance","forex"],"synonyms":["GBP CAD exchange rate","British pound Canadian dollar rate","forex rate API","currency conversion","FX rate","GBP to CAD","foreign exchange rate"],"warnings":["No API documentation available — /docs, /pricing, and /README pages are empty","No request or response schema provided; actual output format is unknown","The provider hosts many generic-sounding endpoints (analytics, AI, crypto, utils) all at the same price, which may indicate placeholder or thin services"],"endpointUrl":"https://lowpaymentfee.com/api/v1/forex/GBPCAD/rate","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/GBPCAD/rate","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, and all documentation pages are empty beyond a wallet-connect prompt. The listing is essentially a stub with verified 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'/pricing':154 '/readme':156 '0.02':11,24,69,122 '000':113 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':106 '20':112 '402':196 '6':118 'British pound Canadian dollar rate' 'FX rate' 'GBP CAD exchange rate' 'GBP to CAD' 'accept':77 'access':36,132 'account':126 'actual':200 'advertis':131 'ai/ml':61 'amount':109 'analyt':60 'api':54,124 'asset':105 'avail':147 'base':9,22,44,104,114 'broader':51 'call':138 'caller':91 'challeng':197 'confirm':191 'connect':162 'contain':187 'content':168 'crypto':62 'currency conversion' 'current':31 'decim':119 'descript':179 'document':139 'endpoint':28,76,148,189 'equal':121 'exampl':176 'exchang':3,16,34 'extrem':141 'field':182 'financ':59 'foreign':33 'foreign exchange rate' 'forex':2,15,184 'forex rate API' 'forex-rate' 'format':202 'gbp-cad' 'gbp/cad':1,14,32 'handl':85 'header':97 'includ':92 'infer':205 'inlin':86 'json':82 'key':125 'land':144 'limit':129 'list':146 'live':192 'lowpaymentfee.com':57 'max':108 'micropay':7,20 'must':203 'network':45 'offer':55 'openapi':172 'page':145,157 'paid':72 'part':48 'pay':136 'pay-per-cal':135 'pay-per-request' 'payment':40,83,96,102 'per':12,25,70,137 'post':78 'price':67,150 'prompt':164 'proper':195 'protocol':41,90 'pure':134 'rate':4,17,35,128,185 'real-time-exchange-rate' 'render':159 'request':13,26,71,79 'request/response':175 'requir':110 'respons':186,201 'return':29,81,193 'schema':173 'servic':65 'sign':100 'span':58 'spars':142 'suit':52 'unit':115 'usdc':74,101,117 'usdc-base' 'util':64 'via':5,18,37,87 'wallet':163 'x':95 'x-payment':94 'x402':6,19,39,89 'x402-payment'","prices":[{"id":"f3ecec71-b07c-4ab4-858c-f9c60f17b4e8","listingId":"b0081d22-ef83-45ae-8228-ccf4d9aeed74","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/GBPCAD/rate","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:41.353Z"}],"sources":[{"listingId":"b0081d22-ef83-45ae-8228-ccf4d9aeed74","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/forex/GBPCAD/rate","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:41.353Z","lastSeenAt":"2026-04-29T14:34:10.230Z"}],"details":{"listingId":"b0081d22-ef83-45ae-8228-ccf4d9aeed74","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/forex/GBPCAD/rate \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <signed-x402-payment-header>\"","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 (=$0.02)","source_url":"https://lowpaymentfee.com/api/v1/forex/GBPCAD/rate"},{"claim":"All APIs priced at $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/GBPCAD/rate"}],"useCases":["Fetching the current GBP/CAD exchange rate for trading or treasury applications","Integrating live forex data into financial dashboards without API key management","Agent-driven currency conversion where per-call micropayments replace subscriptions"],"bestFor":["Developers needing GBP/CAD rates without signup or API keys","AI agents that can pay per request via x402 on Base","Low-volume or sporadic forex data consumers who want no commitments"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk pricing","Users who need historical forex data or OHLC candles (not advertised)","Anyone unable to transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.896Z"},"updatedAt":"2026-04-29T14:34:10.230Z"}}