{"id":"b4264179-8f03-4c86-b16b-29a82f1fea7b","shortId":"LdNvEE","kind":"x402","title":"Pay-per-call ZEC token data endpoint on Base via x402, $0.02 per request in USDC.","tagline":"Pay-per-call ZEC token data endpoint on Base via x402, $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides token data for ZEC (Zcash) via a simple POST request, paid per call using the x402 protocol. Payment is settled in USDC on the Base network at $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or accounts are required — callers attach an X-PAYMENT header with a valid x402 payment proof and receive a JSON response.\n\nThe endpoint is part of a broader suite of APIs offered by lowpaymentfee.com spanning data & analytics, AI/ML inference, finance & Web3, and infrastructure utilities — all priced uniformly at $0.02 per request. The specific `/api/v1/tokens/ZEC` path falls under the Finance & Web3 category, likely returning price or market data for the ZEC token, though the exact response schema is not documented.\n\nThe x402 challenge was successfully captured, confirming the endpoint is live. However, documentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no example request/response, and no description of what fields the ZEC token endpoint returns. Callers should expect a JSON response but will need to experiment to determine the exact payload structure.","tags":[],"capabilities":["x402-payment","per-call-pricing","usdc-base-settlement","token-data","zec-zcash","no-api-key","json-response"],"categories":["finance","crypto"],"synonyms":["ZEC price API","Zcash token data","crypto token endpoint","x402 crypto API","pay-per-call token API","Base USDC API","Zcash market data"],"warnings":["No OpenAPI or schema documentation available — response format for /api/v1/tokens/ZEC is unknown","All doc/pricing/README pages render only 'Connect wallet' with no technical content","The specific endpoint path /api/v1/tokens/ZEC is not listed on the homepage; it may be a generic pattern but is unverified beyond the 402 challenge","No example responses available to confirm what token data fields are returned"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/ZEC","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/tokens/ZEC","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 spec, no documented request/response schema, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned for ZEC is unknown, making this effectively a stub 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'0.02':13,30,67,131 '000':71 '20':70 '6':77 'Base USDC API' 'ZEC price API' 'Zcash market data' 'Zcash token data' 'account':83 'ai/ml':120 'analyt':119 'api':80,113,180 'attach':87 'base':10,27,64,72 'broader':110 'call':4,21,52 'caller':86,216 'captur':167 'categori':143 'challeng':164 'confirm':168 'connect':189 'crypto token endpoint' 'data':7,24,41,118,149 'decim':78 'descript':207 'detail':196 'determin':228 'doc':179 'document':161,174 'endpoint':8,25,36,105,170,214 'exact':156,230 'exampl':203 'expect':218 'experi':226 'extrem':176 'fall':138 'field':210 'financ':122,141 'header':92 'howev':173 'infer':121 'infrastructur':125 'json':102,220 'json-response' 'key':81 'like':144 'live':172 'lowpaymentfee.com':38,116 'market':148 'need':224 'network':65 'no-api-key' 'offer':114 'openapi':200 'page':184 'paid':50 'part':107 'path':137 'pay':2,19 'pay-per-cal':1,18 'pay-per-call token API' 'payload':231 'payment':57,91,97 'per':3,14,20,31,51,68,132 'per-call-pricing' 'post':48 'price':128,146,181 'prompt':191 'proof':98 'protocol':56 'provid':39 'readm':183 'receiv':100 'render':186 'request':15,32,49,69,133 'request/response':204 'requir':85 'respons':103,157,221 'return':145,215 'schema':158 'settl':59 'simpl':47 'span':117 'spars':177 'spec':201 'specif':135 'structur':232 'success':166 'suit':111 'technic':195 'though':154 'token':6,23,40,153,213 'token-data' 'uniform':129 'unit':73 'usdc':17,34,61,75 'usdc-base-settlement' 'use':53 'util':126 'valid':95 'via':11,28,45 'wallet':190 'web3':123,142 'x':90 'x-payment':89 'x402':12,29,55,96,163 'x402 crypto API' 'x402-payment' 'zcash':44 'zec':5,22,43,152,212 'zec-zcash'","prices":[{"id":"ddca3990-4704-4f94-b7fb-d8cb9d04f144","listingId":"b4264179-8f03-4c86-b16b-29a82f1fea7b","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/tokens/ZEC","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:29.125Z"}],"sources":[{"listingId":"b4264179-8f03-4c86-b16b-29a82f1fea7b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/ZEC","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:29.125Z","lastSeenAt":"2026-04-23T19:01:40.693Z"}],"details":{"listingId":"b4264179-8f03-4c86-b16b-29a82f1fea7b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/ZEC \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/ZEC"},{"claim":"maxAmountRequired is 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/tokens/ZEC"},{"claim":"Site advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Site lists Finance & Web3 APIs including token quotes, price feeds, exchange rates, and gas estimates","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching current ZEC/Zcash token data (likely price or quote) on demand","Integrating pay-per-call crypto data into agent workflows without API key management","Building trading bots or dashboards that need ZEC data with minimal setup"],"bestFor":["Agents or apps needing occasional ZEC token lookups without subscription commitments","Developers who want keyless, pay-as-you-go crypto data access","x402-compatible wallets and autonomous agents on Base"],"notFor":["High-frequency trading requiring sub-second latency and guaranteed SLAs","Users who need detailed historical ZEC data or OHLCV candles (not documented)","Anyone without a Base-compatible USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:46.625Z"},"updatedAt":"2026-04-23T19:01:40.693Z"}}