{"id":"c4147d57-71f8-4364-a0c0-a67564018acf","shortId":"wbx2Ad","kind":"x402","title":"Crypto token data for XTZ via x402 micropayment on Base — $0.02 per request in USDC.","tagline":"Crypto token data for XTZ via x402 micropayment on Base — $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides token data for XTZ (Tezos) as part of a broader suite of pay-per-call APIs covering data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints on the platform use the x402 payment protocol, settling in USDC on the Base network at a flat rate of $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or accounts are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe specific endpoint `/api/v1/tokens/XTZ` appears to return JSON data related to the XTZ (Tezos) token, likely including price or market information, though the exact response schema is not documented. The platform advertises no rate limits and instant access. The x402 challenge confirms the endpoint is live, accepting POST requests, and paying to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no response schema, and no example responses available. The endpoint's exact output fields and data sources are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","token-data","crypto-market-data","pay-per-request","no-api-key"],"categories":["crypto","finance"],"synonyms":["XTZ price","Tezos token data","crypto token API","XTZ market data","micropayment API","x402 crypto API","Tezos price feed"],"warnings":["No API documentation available — docs/pricing/API pages only show 'Connect wallet'","No OpenAPI or response schema provided; output format is unknown","The specific data returned for /api/v1/tokens/XTZ is not documented anywhere","Data source and freshness/reliability of token data are unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/XTZ","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/XTZ","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 x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no response schema, no example responses, and documentation pages are empty beyond a wallet-connect prompt. The actual data returned is entirely 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'0.02':11,26,85 '000':89 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':171 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':174 '20':88 '6':95 'Tezos price feed' 'Tezos token data' 'XTZ market data' 'XTZ price' 'accept':164 'access':155 'account':101 'address':170 'advertis':149 'ai/ml':56 'analyt':55 'api':52,98,185 'appear':122 'attach':106 'avail':210 'base':10,25,78,90,176 'base-network' 'broader':45 'call':51 'caller':104 'challeng':158 'confirm':159 'connect':191 'content':197 'cover':53 'crypto':1,16,59 'crypto token API' 'crypto-market-data' 'data':3,18,37,54,126,218 'decim':96 'doc':182 'document':146,177 'endpoint':32,64,120,161,212 'exact':141,214 'exampl':208 'extrem':179 'field':216 'financ':58 'flat':82 'header':111 'includ':134 'infer':57 'inform':138 'instant':154 'json':125 'key':99 'like':133 'limit':152 'live':163 'lowpaymentfee.com':34 'market':137 'micropay':8,23 'micropayment API' 'network':79 'no-api-key' 'openapi':201 'output':215 'page':186 'part':42 'pay':49,168 'pay-per-cal':48 'pay-per-request' 'payment':71,110,116 'per':12,27,50,86 'platform':67,148 'post':165 'price':135,183 'prompt':193 'proof':117 'protocol':72 'provid':35 'rate':83,151 'relat':127 'render':188 'request':13,28,87,166 'requir':103 'respons':142,204,209 'return':124 'schema':143,205 'servic':62 'settl':73 'simpli':105 'sourc':219 'spars':180 'spec':202 'specif':119 'suit':46 'tezo':40,131 'though':139 'token':2,17,36,132 'token-data' 'unit':91 'unknown':221 'usdc':15,30,75,93,173 'usdc-settlement' 'use':68,172 'util':61 'valid':114 'via':6,21 'wallet':192 'x':109 'x-payment':108 'x402':7,22,70,115,157 'x402 crypto API' 'x402-payment' 'xtz':5,20,39,130","prices":[{"id":"9d4b2930-b2f6-4a7e-9c0e-dd895a2bad0e","listingId":"c4147d57-71f8-4364-a0c0-a67564018acf","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/XTZ","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:23.107Z"}],"sources":[{"listingId":"c4147d57-71f8-4364-a0c0-a67564018acf","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/XTZ","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:23.107Z","lastSeenAt":"2026-04-23T19:01:40.388Z"}],"details":{"listingId":"c4147d57-71f8-4364-a0c0-a67564018acf","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/XTZ \\\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 402 with x402 challenge accepting USDC on Base network at 20,000 base units","source_url":"https://lowpaymentfee.com/api/v1/tokens/XTZ"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/XTZ"}],"useCases":["Fetching current XTZ/Tezos token data programmatically without API key registration","Integrating pay-per-call crypto data into agent workflows via x402","Building trading bots or dashboards that need on-demand token information"],"bestFor":["Agents or bots that need quick, keyless access to XTZ token data","Developers prototyping crypto dashboards who want zero-signup data access","x402-native applications settling micropayments on Base"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users needing comprehensive historical token data or OHLCV candles (no evidence of such features)","Anyone requiring detailed API documentation or guaranteed schema stability"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:47.044Z"},"updatedAt":"2026-04-23T19:01:40.388Z"}}