{"id":"7945b1fe-d00f-403b-96c7-07b04370a64d","shortId":"aV9ygq","kind":"x402","title":"NZD/CAD forex rate via x402 micropayment on Base for $0.02 per request.","tagline":"NZD/CAD forex rate via x402 micropayment on Base for $0.02 per request.","description":"This endpoint provides NZD/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. Each request costs $0.02 (20,000 base units of USDC on the Base network, where USDC has 6 decimals). No API keys or accounts are required — callers pay per request using an x402-compatible wallet.\n\nThe endpoint accepts POST requests and returns JSON. The specific schema of the response (e.g., bid/ask, mid-rate, timestamp) is not documented in the crawled material, so the exact fields returned are unknown. The provider advertises no rate limits and instant access. Payment is settled on-chain via USDC on Base to the specified payTo address.\n\nThe site hosts many similar endpoints across categories (finance, AI, data, infrastructure), all at the same $0.02 price point. Documentation pages beyond the landing page returned only a \"Connect wallet\" prompt with no further technical detail, so the depth of documentation is very limited.","tags":[],"capabilities":["forex-rate","nzd-cad","x402-payment","usdc-base","per-request-pricing","no-api-key","json-response"],"categories":["finance","forex"],"synonyms":["NZD CAD exchange rate","New Zealand dollar Canadian dollar","forex API","currency pair rate","FX rate NZD/CAD","foreign exchange data"],"warnings":["No response schema or example response documented — actual output fields are unknown","Documentation pages (/docs, /api, /pricing, /README) all returned only 'Connect wallet' with no usable content","No OpenAPI spec or AI plugin manifest available","Data freshness and source of forex rates are not disclosed"],"endpointUrl":"https://lowpaymentfee.com/api/v1/forex/NZDCAD","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/NZDCAD","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), but there is no documentation of request parameters, response schema, or example payloads. Doc pages returned only 'Connect wallet' with no technical content. The listing is essentially a stub with confirmed 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'000':64 '20':63 '6':76 'FX rate NZD/CAD' 'NZD CAD exchange rate' 'New Zealand dollar Canadian dollar' 'accept':97 'access':33,137 'account':82 'across':159 'address':152 'advertis':131 'ai':162 'ai/ml':54 'analyt':53 'api':47,79 'base':8,20,65,71,147 'beyond':174 'bid/ask':110 'broader':44 'caller':85 'categori':160 'chain':143 'compat':93 'connect':181 'cost':61 'cover':51 'crawl':120 'crypto':55 'currency pair rate' 'data':32,163 'decim':77 'depth':191 'detail':188 'document':117,172,193 'e.g':109 'endpoint':26,96,158 'exact':124 'exchang':30 'field':125 'financ':52,161 'foreign':29 'foreign exchange data' 'forex':2,14 'forex API' 'forex-rate' 'host':48,155 'infrastructur':164 'instant':136 'json':102 'json-response' 'key':80 'land':176 'limit':134,196 'lowpaymentfee.com':50 'mani':156 'materi':121 'micropay':6,18 'mid':112 'mid-rat':111 'network':72 'no-api-key' 'nzd-cad' 'nzd/cad':1,13,28 'on-chain':141 'page':173,177 'part':41 'pay':86 'payment':37,138 'payto':151 'per':11,23,87 'per-request-pricing' 'point':171 'post':98 'price':170 'prompt':183 'protocol':38 'provid':27,130 'rate':3,15,31,113,133 'request':12,24,60,88,99 'requir':84 'respons':108 'return':101,126,178 'schema':105 'servic':58 'settl':140 'similar':157 'site':154 'specif':104 'specifi':150 'suit':45 'technic':187 'timestamp':114 'unit':66 'unknown':128 'usdc':68,74,145 'usdc-base' 'use':89 'util':57 'via':4,16,144 'wallet':94,182 'x402':5,17,36,92 'x402-compatible':91 'x402-payment'","prices":[{"id":"cf912ef3-5cfa-4ee2-9246-23626c640748","listingId":"7945b1fe-d00f-403b-96c7-07b04370a64d","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/NZDCAD","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:42.553Z"}],"sources":[{"listingId":"7945b1fe-d00f-403b-96c7-07b04370a64d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/forex/NZDCAD","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:42.553Z","lastSeenAt":"2026-04-29T13:34:31.190Z"}],"details":{"listingId":"7945b1fe-d00f-403b-96c7-07b04370a64d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/forex/NZDCAD \\\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":"Endpoint returns 402 with x402 challenge advertising USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/forex/NZDCAD"},{"claim":"Price is $0.02 per request, no API keys, no rate limits, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/forex/NZDCAD"},{"claim":"maxAmountRequired is 20000 base units (USDC 6 decimals = $0.02)","source_url":"https://lowpaymentfee.com/api/v1/forex/NZDCAD"}],"useCases":["Fetching the current NZD/CAD exchange rate for trading or analytics applications","Integrating real-time forex data into an agent workflow without managing API keys","Pay-per-call currency conversion reference for financial dashboards"],"bestFor":["Agents or apps needing on-demand NZD/CAD forex data without subscription commitments","Developers experimenting with x402 micropayment-gated APIs","Low-volume forex lookups where per-call pricing is more economical than a subscription"],"notFor":["High-frequency trading requiring sub-millisecond latency and guaranteed SLAs","Users who need historical forex time-series data (no evidence this endpoint provides it)","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.848Z"},"updatedAt":"2026-04-29T13:34:31.190Z"}}