{"id":"8bf1e294-8407-4659-9f64-725099609730","shortId":"MrmAks","kind":"x402","title":"Real-time SNX token price via x402 micropayment on Base for $0.02 per request.","tagline":"Real-time SNX token price via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current price of the SNX (Synthetix) token. It is part of the lowpaymentfee.com platform, which offers a suite of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network.\n\nThe specific endpoint at `/api/v1/tokens/SNX/price` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335…0913 on Base), which equals $0.02 per request (USDC uses 6 decimals). No API keys are required; payment is handled inline via the X-PAYMENT header. The platform advertises no rate limits and instant access.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no example request/response payloads, and no detailed documentation for the token price endpoint specifically. The response schema must be inferred: it likely returns a JSON object with the token symbol and its current price, but this is unconfirmed.","tags":[],"capabilities":["token-price-lookup","x402-payment","usdc-settlement","base-network","real-time-pricing","no-api-key","pay-per-request"],"categories":["finance","crypto"],"synonyms":["SNX price","Synthetix price API","token price feed","crypto price endpoint","SNX market data","x402 crypto API","micropayment price API"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All doc/pricing/README pages return only a wallet-connect prompt with no content","No example responses available; the actual data source for SNX pricing is unspecified","The platform lists many endpoint categories but specifics on data provenance are absent"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/SNX/price","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/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing. However, there is no OpenAPI spec, no example request/response, and all documentation pages are empty stubs. The response schema and request body format are entirely 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'/api/v1/tokens/snx/price':87 '/docs':154 '/pricing':155 '/readme':158 '0.02':13,28,114 '000':103 '0913':109 '0x8335':108 '20':102 '6':119 'SNX market data' 'SNX price' 'Synthetix price API' 'accept':88 'access':144 'advertis':97,138 'ai/ml':62 'analyt':61 'api':58,122 'base':11,26,81,104,111 'base-network' 'beyond':146 'call':57 'challeng':96 'connect':164 'content':170 'cost':100 'crypto price endpoint' 'current':35,208 'data':60,65 'decim':120 'detail':182 'document':145,183 'endpoint':32,70,85,188 'equal':113 'exampl':177 'extrem':151 'finance/web3':64 'handl':128 'header':135 'infer':63,195 'inlin':129 'instant':143 'json':93,200 'key':123 'land':148 'like':197 'limit':141 'lowpaymentfee.com':47 'maximum':99 'micropay':9,24 'micropayment price API' 'must':193 'network':82 'no-api-key' 'object':201 'offer':50 'openapi':174 'page':149,159 'part':44 'pay':55 'pay-per-cal':54 'pay-per-request' 'payload':179 'payment':74,126,134 'per':14,29,56,115 'platform':48,137 'post':89 'price':6,21,36,187,209 'prompt':166 'protocol':75 'rate':140 'real':2,17 'real-tim':1,16 'real-time-pricing' 'request':15,30,90,116 'request/response':178 'requir':125 'respons':191 'return':33,92,161,198 'schema':192 'servic':68 'settl':76 'snx':4,19,39 'span':59 'spars':152 'spec':175 'specif':84,189 'substant':169 'suit':52 'symbol':205 'synthetix':40 'time':3,18 'token':5,20,41,186,204 'token price feed' 'token-price-lookup' 'unconfirm':213 'unit':105 'usdc':78,107,117 'usdc-settlement' 'use':71,118 'util':67 'via':7,22,130 'wallet':165 'x':133 'x-payment':132 'x402':8,23,73,95 'x402 crypto API' 'x402-payment'","prices":[{"id":"e0344655-42d2-4d1f-8967-84660facfed0","listingId":"8bf1e294-8407-4659-9f64-725099609730","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/price","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":"8bf1e294-8407-4659-9f64-725099609730","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/SNX/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:10.468Z","lastSeenAt":"2026-04-23T23:03:05.375Z"}],"details":{"listingId":"8bf1e294-8407-4659-9f64-725099609730","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/SNX/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/SNX/price"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/SNX/price"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current SNX token price for portfolio tracking or trading bots","Integrating real-time Synthetix pricing into a DeFi dashboard","Agent-driven price checks without managing API keys or subscriptions","On-demand crypto price lookups with per-call micropayments"],"bestFor":["Agents or bots needing keyless, pay-per-call SNX price data","Developers building on Base who want native USDC-settled API access","Low-volume or sporadic price lookups where subscriptions are overkill"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing tiers","Users who need historical price data or OHLCV candles (not evidenced here)","Anyone without a Base-compatible USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:47.586Z"},"updatedAt":"2026-04-23T23:03:05.375Z"}}