{"id":"96598e02-6ed4-40e8-8ffe-355d0ac51cba","shortId":"nHsRzW","kind":"x402","title":"NZD/JPY forex rate via x402 micropayment on Base, $0.02 per request.","tagline":"NZD/JPY forex rate via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides NZD/JPY (New Zealand Dollar to Japanese Yen) forex data, accessible through the x402 payment protocol. It is part of a broader suite of finance, data, AI, and utility APIs hosted at lowpaymentfee.com, all priced at $0.02 per request and 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 USDC payment of up to 0.02 USDC (20,000 base units at 6 decimals) per call. There are no API keys, no rate limits, and no subscription commitments — each request is independently paid for on-chain.\n\nDocumentation beyond the landing page is extremely sparse. The /docs, /pricing, /api, and /README pages all resolve to a minimal \"Connect wallet\" stub with no additional technical detail. There is no OpenAPI spec, no example request/response, and no description of the response schema. The endpoint is confirmed live (returns a proper 402 challenge), but the actual data source, update frequency, and response format for the NZD/JPY pair are unknown.","tags":[],"capabilities":["forex-rate","nzd-jpy","x402-payment","usdc-base","per-request-pricing","no-api-key","json-response"],"categories":["finance","forex"],"synonyms":["NZD JPY exchange rate","New Zealand Dollar Japanese Yen","forex pair","currency rate","FX rate API","NZDJPY quote"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All documentation pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' stub with no content","Data source, update frequency, and accuracy of forex rates are not disclosed","The specific endpoint /api/v1/forex/NZDJPY is not listed on the landing page's API catalog, though similar finance endpoints are"],"endpointUrl":"https://lowpaymentfee.com/api/v1/forex/NZDJPY","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/NZDJPY","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 spec, no documentation, no example requests or responses, and no description of what fields the forex endpoint actually returns. This is effectively a stub 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'/docs':144 '/pricing':145 '/readme':148 '0.02':9,20,61,103 '000':106 '20':105 '402':186 '6':110 'FX rate API' 'NZD JPY exchange rate' 'NZDJPY quote' 'New Zealand Dollar Japanese Yen' 'accept':74 'access':35 'actual':190 'addit':160 'ai':51 'api':54,117 'base':8,19,70,107 'beyond':136 'broader':46 'call':113 'caller':88 'chain':134 'challeng':187 'commit':125 'confirm':181 'connect':155 'currency rate' 'data':34,50,191 'decim':111 'descript':173 'detail':162 'document':135 'dollar':29 'endpoint':24,73,179 'exampl':169 'extrem':141 'financ':49 'forex':2,13,33 'forex pair' 'forex-rate' 'format':197 'frequenc':194 'handl':82 'header':94 'host':55 'includ':89 'independ':129 'inlin':83 'japanes':31 'json':79 'json-response' 'key':118 'land':138 'limit':121 'live':182 'lowpaymentfee.com':57 'micropay':6,17 'minim':154 'network':71 'new':27 'no-api-key' 'nzd-jpy' 'nzd/jpy':1,12,26,200 'on-chain':132 'openapi':166 'page':139,149 'paid':130 'pair':201 'part':43 'payment':39,80,93,99 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Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/forex/NZDJPY","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:53.885Z"}],"sources":[{"listingId":"96598e02-6ed4-40e8-8ffe-355d0ac51cba","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/forex/NZDJPY","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:53.885Z","lastSeenAt":"2026-04-29T11:34:02.482Z"}],"details":{"listingId":"96598e02-6ed4-40e8-8ffe-355d0ac51cba","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/forex/NZDJPY \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\" \\\n  -H \"Content-Type: application/json\"","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/forex/NZDJPY"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and settlement on Base","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/forex/NZDJPY"}],"useCases":["Fetching the current or recent NZD/JPY exchange rate for trading bots or dashboards","Integrating forex data into an AI agent workflow with per-call micropayments","Building currency conversion tools that need JPY cross rates"],"bestFor":["Agents or bots that need on-demand forex data without managing API keys","Low-volume or sporadic forex lookups where per-call pricing is economical","x402-native applications settling on Base"],"notFor":["High-frequency trading requiring sub-second tick data with guaranteed SLAs","Users who need comprehensive multi-pair forex feeds in a single call","Anyone requiring detailed historical OHLCV forex data (no evidence this is supported)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.308Z"},"updatedAt":"2026-04-29T11:34:02.482Z"}}