{"id":"2080e0fb-fec7-4cc4-8d79-f5ea77ce84f0","shortId":"f6pFYb","kind":"x402","title":"Historical GBP/NZD forex data via x402 micropayment on Base, $0.02 per request.","tagline":"Historical GBP/NZD forex data via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides historical forex data for the GBP/NZD currency pair. It is part of the lowpaymentfee.com platform, which offers a range of pay-per-request APIs spanning finance, analytics, AI, and utilities. The endpoint is accessed via HTTP POST and is gated by the x402 payment protocol, settling in USDC on the Base network at $0.02 per call.\n\nThe platform advertises a simple pricing model: $0.02 per request across all endpoints, with no API keys, no rate limits, no minimums, and instant access. Payment is made inline via the X-PAYMENT header using the x402 protocol (version 1). The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, and payments are directed to 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no description of request parameters (e.g., date range, granularity), and no example responses. The endpoint is confirmed live (returns a proper 402 challenge), but the actual data format and supported query parameters must be discovered by making a paid request.","tags":[],"capabilities":["forex-history","gbp-nzd","x402-payment","usdc-settlement","base-network","pay-per-request","currency-pair-data"],"categories":["finance","forex"],"synonyms":["GBP NZD exchange rate history","British pound New Zealand dollar historical data","forex historical rates","currency pair history API","FX rate history"],"warnings":["No documentation available — all doc/API/pricing/README pages return only a 'Connect wallet' prompt with no content.","No OpenAPI or request/response schema provided; request parameters and response format are unknown.","No example responses available; data quality and coverage cannot be verified without a paid request.","The endpoint path suggests GBP/NZD history specifically, but no details on supported date ranges, granularity, or data source are documented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/forex/GBPNZD/history","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/GBPNZD/history","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 via a valid 402 challenge and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documentation of request/response formats, no example payloads, and all doc pages return only a wallet-connect stub. This is effectively a stub listing with verified liveness but minimal usable 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'0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':139 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':133 '1':125 '402':189 'British pound New Zealand dollar historical data' 'FX rate history' 'GBP NZD exchange rate history' 'access':62,109 'across':95 'actual':193 'advertis':87 'ai':56 'analyt':55 'api':52,100,147 'asset':128 'base':9,21,79,131 'base-network' 'call':84 'challeng':190 'confirm':184 'connect':156 'content':162 'contract':129 'crawl':145 'currenc':34 'currency pair history API' 'currency-pair-data' 'data':4,16,30,194 'date':174 'descript':169 'direct':137 'discov':202 'doc':146 'document':140 'e.g':173 'endpoint':26,60,97,182 'exampl':179 'extrem':142 'financ':54 'forex':3,15,29 'forex historical rates' 'forex-history' 'format':195 'gate':68 'gbp-nzd' 'gbp/nzd':2,14,33 'granular':176 'header':119 'histor':1,13,28 'http':64 'inlin':113 'instant':108 'key':101 'limit':104 'live':185 'lowpaymentfee.com':41 'made':112 'make':204 'micropay':7,19 'minimum':106 'model':91 'must':200 'network':80 'offer':44 'openapi':166 'page':151 'paid':206 'pair':35 'paramet':172,199 'part':38 'pay':49 'pay-per-request':48 'payment':72,110,118,135 'per':11,23,50,83,93 'platform':42,86 'post':65 'price':90,148 'prompt':158 'proper':188 'protocol':73,123 'provid':27 'queri':198 'rang':46,175 'rate':103 'readm':150 'request':12,24,51,94,171,207 'respons':180 'return':153,186 'schema':167 'settl':74 'simpl':89 'span':53 'spars':143 'support':197 'usdc':76,127 'usdc-settlement' 'use':120 'util':58 'version':124 'via':5,17,63,114 'wallet':157 'x':117 'x-payment':116 'x402':6,18,71,122 'x402-payment'","prices":[{"id":"4fc34351-6622-43c2-8750-4a5c450fc632","listingId":"2080e0fb-fec7-4cc4-8d79-f5ea77ce84f0","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/GBPNZD/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:53.861Z"}],"sources":[{"listingId":"2080e0fb-fec7-4cc4-8d79-f5ea77ce84f0","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/forex/GBPNZD/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:53.861Z","lastSeenAt":"2026-04-29T11:34:02.482Z"}],"details":{"listingId":"2080e0fb-fec7-4cc4-8d79-f5ea77ce84f0","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/forex/GBPNZD/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units (0.02 USDC) on Base network","source_url":"https://lowpaymentfee.com/api/v1/forex/GBPNZD/history"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/forex/GBPNZD/history"},{"claim":"Docs, API, pricing, and README pages all returned only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving historical GBP/NZD exchange rates for backtesting trading strategies","Feeding forex history into financial models or dashboards","Programmatic access to currency pair data without API key registration","Agent-driven forex data retrieval with inline micropayments"],"bestFor":["Developers needing quick, keyless access to GBP/NZD historical forex data","AI agents that can settle x402 payments on Base","Low-volume or exploratory forex data queries at $0.02 per call"],"notFor":["High-volume institutional forex data needs where bulk pricing is required","Users who need comprehensive documentation or SLA guarantees before integrating","Real-time streaming forex data (this endpoint serves historical data)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.308Z"},"updatedAt":"2026-04-29T11:34:02.482Z"}}