{"id":"ca251bf7-24a1-4440-9c43-6b1f550e4fe7","shortId":"eYQNmb","kind":"x402","title":"x402-gated token data endpoint for BAT on Base, pay $0.02 per request in USDC.","tagline":"x402-gated token data endpoint for BAT on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides token data for BAT (Basic Attention Token) via the x402 payment protocol. It is part of a broader suite of pay-per-request APIs offered by the same provider, spanning data analytics, AI/ML inference, finance/Web3 data, and utility services. All endpoints on the platform share a uniform $0.02-per-request pricing model, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/tokens/BAT` sits under the Finance & Web3 category of the provider's API catalog. Based on the x402 challenge, it accepts POST requests and returns JSON. The payment is handled via the x402 \"exact\" scheme: callers must attach an X-PAYMENT header with a USDC payment of up to 20,000 base units (i.e., $0.02, since USDC uses 6 decimals) to the specified payTo address on Base. No API keys or rate limits are advertised; access is gated purely by micropayment.\n\nDocumentation is extremely sparse. The provider's docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no usage examples available from the crawled material. The exact fields returned for a BAT token query are unknown and must be inferred from the endpoint path and the provider's general \"Finance & Web3\" category description (\"Market data and financial calculations\").","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","token-data","pay-per-request","no-api-key","json-response"],"categories":["finance","crypto"],"synonyms":["BAT token data","Basic Attention Token price","token quote","crypto token API","x402 token endpoint","BAT market data","micropayment API"],"warnings":["No API documentation available — docs, pricing, and API pages all show only 'Connect wallet'","No request or response schema provided; the data returned for /api/v1/tokens/BAT is unknown","No OpenAPI spec or ai-plugin manifest found","The endpoint path suggests token data but the exact fields, freshness, and data source are unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/BAT","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/BAT","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The actual data returned is entirely unknown, making this effectively a stub 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'0.02':12,28,86,156 '000':152 '20':151 '6':160 'BAT market data' 'BAT token data' 'Basic Attention Token price' 'accept':121 'access':177 'address':166 'advertis':176 'ai/ml':71 'analyt':70 'api':62,113,170,193 'attach':138 'attent':43 'avail':219 'base':10,26,97,115,153,168 'base-network' 'basic':42 'bat':8,24,41,230 'broader':55 'calcul':256 'caller':136 'catalog':114 'categori':108,250 'challeng':119 'connect':199 'crawl':222 'crypto token API' 'data':5,21,39,69,74,253 'decim':161 'descript':251 'detail':206 'doc':190 'document':183 'endpoint':6,22,34,79,101,241 'exact':134,225 'exampl':218 'extrem':185 'field':226 'financ':106,248 'finance/web3':73 'financi':255 'gate':3,19,179 'general':247 'handl':130 'header':143 'i.e':155 'infer':72,238 'json':126 'json-response' 'key':171 'limit':174 'lowpaymentfee.com':36 'market':252 'materi':223 'micropay':182 'micropayment API' 'model':91 'must':137,236 'network':98 'no-api-key' 'offer':63 'openapi':210 'page':194 'part':52 'path':242 'pay':11,27,59 'pay-per-request':58 'payment':48,128,142,147 'payto':165 'per':13,29,60,88 'per-request':87 'platform':82 'post':122 'price':90,191 'prompt':201 'protocol':49 'provid':37,67,111,188,245 'pure':180 'queri':232 'rate':173 'render':196 'request':14,30,61,89,123 'request/response':213 'return':125,227 'schema':214 'scheme':135 'servic':77 'settl':92 'share':83 'sinc':157 'sit':103 'span':68 'spars':186 'spec':211 'specif':100 'specifi':164 'suit':56 'technic':205 'token':4,20,38,44,231 'token quote' 'token-data' 'uniform':85 'unit':154 'unknown':234 'usag':217 'usdc':16,32,94,146,158 'usdc-micropayment' 'use':159 'util':76 'via':45,131 'wallet':200 'web3':107,249 'x':141 'x-payment':140 'x402':2,18,47,118,133 'x402 token endpoint' 'x402-gated':1,17 'x402-payment'","prices":[{"id":"6f98b680-8e74-439f-9e43-6e5e5038ff70","listingId":"ca251bf7-24a1-4440-9c43-6b1f550e4fe7","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/BAT","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:34:39.406Z"}],"sources":[{"listingId":"ca251bf7-24a1-4440-9c43-6b1f550e4fe7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/BAT","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:39.406Z","lastSeenAt":"2026-04-23T20:01:32.527Z"}],"details":{"listingId":"ca251bf7-24a1-4440-9c43-6b1f550e4fe7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/BAT \\\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 a 402 challenge requiring up to 20,000 base units of USDC on Base (asset 0x8335…)","source_url":"https://lowpaymentfee.com/api/v1/tokens/BAT"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The provider offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching current BAT token data (likely price or quote) in an automated agent pipeline","Integrating pay-per-call token data into a trading bot without managing API keys","Querying BAT information from a smart-contract-adjacent workflow on Base"],"bestFor":["Agents or bots that need on-demand BAT token data without subscription commitments","Developers experimenting with x402 micropayment-gated APIs","Low-volume or sporadic token data lookups where $0.02/call is cost-effective"],"notFor":["High-frequency trading requiring sub-second latency and guaranteed SLAs","Users who need comprehensive historical token data or OHLCV candles (no evidence this is supported)","Anyone needing detailed API documentation or schema guarantees before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T17:35:58.494Z"},"updatedAt":"2026-04-23T20:01:32.527Z"}}