{"id":"dda957da-955f-4dea-bb5f-0d4fe8dc4d0d","shortId":"Eet2ke","kind":"x402","title":"Real-time APT token price via x402 micropayment on Base for $0.02 per request.","tagline":"Real-time APT token price via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current price of the APT (Aptos) token. It is part of a broader suite of pay-per-call APIs hosted at lowpaymentfee.com, covering 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 `/api/v1/tokens/APT/price` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 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 provider advertises no rate limits and instant access.\n\nDocumentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no example request/response payloads, and no description of the response format beyond the mimeType of application/json. The endpoint is live (returns a proper 402 challenge), but the lack of documentation means consumers must discover the response shape empirically.","tags":[],"capabilities":["token-price-lookup","x402-micropayment","usdc-settlement","base-network","real-time-pricing","pay-per-request","no-api-key"],"categories":["finance","crypto"],"synonyms":["APT price API","Aptos token price","crypto price feed","token price endpoint","x402 price API","micropayment API","USDC pay-per-call"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or JSON schema describing request parameters or response format","Response structure for /api/v1/tokens/APT/price must be discovered empirically","The broader site lists many endpoints but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/APT/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/APT/price","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 with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, no example payloads, and all documentation pages are empty beyond a wallet-connect prompt. The listing is essentially a stub with only the 402 challenge and landing page to work 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'0.02':13,28,111 '000':101 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':106 '20':100 '402':193 '6':116 'APT price API' 'Aptos token price' 'USDC pay-per-call' 'accept':86 'access':141 'addit':162 'advertis':95,135 'ai/ml':61 'analyt':60 'api':54,119,148 'application/json':185 'apt':4,19,39 'apto':40 'base':11,26,80,102,108 'base-network' 'beyond':181 'broader':47 'call':53 'challeng':94,194 'connect':157 'consum':201 'cost':98 'cover':58 'crypto price feed' 'current':35 'data':59,64 'decim':117 'descript':176 'detail':164 'discov':203 'doc':147 'document':142,199 'empir':207 'endpoint':32,69,84,187 'equal':110 'exampl':171 'extrem':144 'finance/web3':63 'format':180 'handl':125 'header':132 'host':55 'infer':62 'inlin':126 'instant':140 'json':91 'key':120 'lack':197 'limit':138 'live':189 'lowpaymentfee.com':57 'maximum':97 'mean':200 'micropay':9,24 'micropayment API' 'mimetyp':183 'must':202 'network':81 'no-api-key' 'openapi':168 'page':152 'part':44 'pay':51 'pay-per-cal':50 'pay-per-request' 'payload':173 'payment':73,123,131 'per':14,29,52,112 'post':87 'price':6,21,36,149 'prompt':159 'proper':192 'protocol':74 'provid':134 'rate':137 'readm':151 'real':2,17 'real-tim':1,16 'real-time-pricing' 'render':154 'request':15,30,88,113 'request/response':172 'requir':122 'respons':179,205 'return':33,90,190 'schema':169 'servic':67 'settl':75 'shape':206 'spars':145 'specif':83 'suit':48 'technic':163 'time':3,18 'token':5,20,41 'token price endpoint' 'token-price-lookup' 'unit':103 'usdc':77,105,114 'usdc-settlement' 'use':70,115 'util':66 'via':7,22,127 'wallet':158 'x':130 'x-payment':129 'x402':8,23,72,93 'x402 price API' 'x402-micropayment'","prices":[{"id":"98e9e136-5eb2-4b45-9b96-bb1db5c7a109","listingId":"dda957da-955f-4dea-bb5f-0d4fe8dc4d0d","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/APT/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":"2026-04-18T18:34:01.132Z"}],"sources":[{"listingId":"dda957da-955f-4dea-bb5f-0d4fe8dc4d0d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/APT/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:01.132Z","lastSeenAt":"2026-04-23T20:01:29.756Z"}],"details":{"listingId":"dda957da-955f-4dea-bb5f-0d4fe8dc4d0d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/APT/price \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/APT/price"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/APT/price"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The site offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current APT/Aptos token price for trading bots or dashboards","Integrating real-time crypto pricing into agent workflows without API key management","Pay-per-call price lookups where usage is sporadic and subscriptions are undesirable"],"bestFor":["AI agents needing on-demand crypto price data with no signup","Low-volume or bursty price-check workloads at $0.02/call","Developers experimenting with x402 payment protocol integrations"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing","Users who need historical OHLCV or candlestick data (only current price is indicated)","Teams that require comprehensive API documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:17:18.836Z"},"updatedAt":"2026-04-23T20:01:29.756Z"}}