{"id":"0a89ab3c-a3d1-449d-a2aa-d7d1bd5fb033","shortId":"pTtZzR","kind":"x402","title":"SNX token data via x402 micropayment on Base — $0.02 per request, no API key needed.","tagline":"SNX token data via x402 micropayment on Base — $0.02 per request, no API key needed.","description":"This endpoint at lowpaymentfee.com provides token data for SNX (Synthetix Network Token) as part of a broader suite of finance, crypto, AI, and utility APIs. All endpoints on the platform use the x402 payment protocol, settling in USDC on the Base network. Each request costs $0.02 (20,000 base units of USDC with 6 decimals), and there are no API keys, rate limits, or subscription commitments — callers simply attach an x402 payment header to each request.\n\nThe specific endpoint `/api/v1/tokens/SNX` sits alongside other crypto and finance endpoints such as `/api/v1/crypto/quotes`, `/api/v1/finance/prices`, and `/api/v1/finance/rates`. While the exact response schema for this token endpoint is not documented, it is reasonable to infer it returns JSON data about the SNX token (likely price, market data, or metadata) given the platform's finance and crypto API category.\n\nThe endpoint is live and returns a proper x402 challenge (HTTP 402) when called without payment. It accepts POST requests and settles payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The maximum timeout for payment settlement is 300 seconds. Documentation on the site is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no additional technical detail.","tags":[],"capabilities":["x402-payment","usdc-base","token-data","snx","crypto-market-data","per-request-pricing","no-api-key"],"categories":["finance","crypto"],"synonyms":["SNX price API","Synthetix token data","crypto token endpoint","SNX market data","x402 crypto API","micropayment token API","Base USDC API"],"warnings":["No OpenAPI or response schema available — the exact data returned by /api/v1/tokens/SNX is unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content","The /api/v1/tokens/SNX path is not listed on the homepage's available APIs; it may be an undocumented or dynamically-generated route","No example responses available to verify data quality or structure"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/SNX","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/SNX","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no documentation, no OpenAPI schema, no example responses, and no description of what the /tokens/SNX endpoint actually returns. The docs, pricing, and API pages are all blank beyond a wallet-connect prompt. Pricing is clear ($0.02/request) but the response format is entirely 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'/api/v1/finance/prices':121 '/api/v1/finance/rates':123 '/api/v1/tokens/snx':110 '0.02':9,24,76 '000':78 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':189 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':192 '20':77 '300':202 '402':175 '6':84 'Base USDC API' 'SNX market data' 'SNX price API' 'Synthetix token data' 'accept':181 'addit':226 'address':188 'ai':52 'alongsid':112 'api':13,28,55,90,162,215 'attach':99 'base':8,23,71,79,194 'broader':47 'call':177 'caller':97 'categori':163 'challeng':173 'commit':96 'connect':221 'cost':75 'crypto':51,114,161 'crypto token endpoint' 'crypto-market-data' 'data':3,18,37,144,152 'decim':85 'detail':228 'doc':212 'document':135,204 'endpoint':32,57,109,117,132,165 'exact':126 'extrem':209 'financ':50,116,159 'given':155 'header':103 'http':174 'infer':140 'json':143 'key':14,29,91 'like':149 'limit':93 'live':167 'lowpaymentfee.com':34 'market':151 'maximum':196 'metadata':154 'micropay':6,21 'micropayment token API' 'need':15,30 'network':41,72 'no-api-key' 'page':216 'part':44 'payment':64,102,179,186,199 'per':10,25 'per-request-pricing' 'platform':60,157 'post':182 'price':150,213 'prompt':223 'proper':171 'protocol':65 'provid':35 'rate':92 'reason':138 'render':218 'request':11,26,74,106,183 'respons':127 'return':142,169 'schema':128 'second':203 'settl':66,185 'settlement':200 'simpli':98 'sit':111 'site':207 'snx':1,16,39,147 'spars':210 'specif':108 'subscript':95 'suit':48 'synthetix':40 'technic':227 'timeout':197 'token':2,17,36,42,131,148 'token-data' 'unit':80 'usdc':68,82,191 'usdc-base' 'use':61,190 'util':54 'via':4,19 'wallet':222 'without':178 'x402':5,20,63,101,172 'x402 crypto API' 'x402-payment'","prices":[{"id":"24cc6cd0-2bc3-4994-80fc-80c9def27e29","listingId":"0a89ab3c-a3d1-449d-a2aa-d7d1bd5fb033","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/SNX","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:10.468Z"}],"sources":[{"listingId":"0a89ab3c-a3d1-449d-a2aa-d7d1bd5fb033","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/SNX","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:10.468Z","lastSeenAt":"2026-04-23T23:03:05.409Z"}],"details":{"listingId":"0a89ab3c-a3d1-449d-a2aa-d7d1bd5fb033","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/SNX \\\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":"The endpoint returns HTTP 402 with an x402 challenge requiring USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/SNX"},{"claim":"All APIs on the platform cost $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Payment asset is USDC at contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/SNX"},{"claim":"The platform offers finance, crypto, AI, and utility API categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching current SNX token data (price, metadata) for trading bots or dashboards","Integrating pay-per-call crypto data into autonomous AI agents","Building portfolio trackers that pull token info without managing API keys"],"bestFor":["Agents or bots needing on-demand SNX token data without subscription overhead","Developers prototyping crypto dashboards who want instant access with no signup","x402-compatible wallets and tools on the Base network"],"notFor":["High-frequency trading requiring sub-second latency and bulk data (per-request cost adds up)","Users who need comprehensive historical SNX data or OHLCV candles (no evidence of such features)","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:47.582Z"},"updatedAt":"2026-04-23T23:03:05.409Z"}}