{"id":"aa2f3945-4e23-42f5-939f-618afa9c4d28","shortId":"rW7VyZ","kind":"x402","title":"x402-gated token data endpoint for ENJ on Base, pay $0.02 per request in USDC.","tagline":"x402-gated token data endpoint for ENJ on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides token data for ENJ (Enjin Coin) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services — all gated behind x402 micropayments on the Base network.\n\nThe specific endpoint `/api/v1/tokens/ENJ` sits under the Finance & Web3 category of the platform. Based on the x402 challenge, each request costs a maximum of 20,000 base units of USDC (the asset at 0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is made via the \"exact\" scheme to the payTo address, with a 300-second timeout window. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.\n\nDocumentation on the site is extremely sparse — the docs, pricing, API, 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 what fields the ENJ token endpoint actually returns. The endpoint is confirmed live (returns HTTP 402 with a valid x402 challenge), but without documentation it is unclear what data is included in a successful response (e.g., price, market cap, volume, metadata, etc.).","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","token-data","per-request-billing","no-api-key","crypto-market-data"],"categories":["finance","crypto"],"synonyms":["ENJ token API","Enjin Coin data","crypto token endpoint","x402 token price","micropayment API","pay-per-call crypto","Base USDC API"],"warnings":["No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'","No OpenAPI or JSON schema describing request parameters or response fields","Response content for /api/v1/tokens/ENJ is entirely unknown — could be price data, metadata, or something else","The platform lists many endpoint categories but specific endpoint behavior is undocumented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/ENJ","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/ENJ","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 with a valid x402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, and no examples. The docs pages are empty beyond a wallet-connect prompt, making it impossible to know what data the endpoint actually 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'0.02':12,28,124 '000':110 '0x8335':118 '20':109 '2913':119 '300':143 '402':218 '6':128 'Base USDC API' 'ENJ token API' 'Enjin Coin data' 'access':155 'actual':209 'addit':187 'address':140 'advertis':154 'ai/ml':68 'analyt':67 'api':63,148,174 'asset':116 'base':10,26,83,98,111,121 'base-network' 'behind':78 'broader':54 'call':62 'cap':241 'categori':94 'challeng':102,223 'coin':43 'confirm':214 'connect':182 'cost':105 'crypto token endpoint' 'crypto-market-data' 'data':5,21,39,66,72,231 'decim':129 'descript':201 'detail':189 'doc':172 'document':164,226 'dozen':57 'e.g':238 'endpoint':6,22,34,64,87,208,212 'enj':8,24,41,206 'enjin':42 'equal':123 'etc':244 'exact':135 'exampl':196 'extrem':169 'field':204 'financ':92 'finance/web3':70 'gate':3,19,77 'grant':157 'header':163 'http':217 'includ':233 'infer':69 'key':149 'limit':152 'live':215 'lowpaymentfee.com':36 'made':132 'market':71,240 'maximum':107 'metadata':243 'micropay':80 'micropayment API' 'network':84 'no-api-key' 'offer':56 'openapi':193 'page':177 'part':51 'pay':11,27,60 'pay-per-cal':59 'pay-per-call crypto' 'payload':198 'payment':47,130,162 'payto':139 'per':13,29,61 'per-request-billing' 'platform':55,97 'price':173,239 'prompt':184 'protocol':48 'provid':37 'pure':158 'rate':151 'readm':176 'render':179 'request':14,30,104 'request/response':197 'respons':237 'return':210,216 'schema':194 'scheme':136 'second':144 'servic':75 'sit':89 'site':167 'span':65 'spars':170 'specif':86 'success':236 'technic':188 'timeout':145 'token':4,20,38,207 'token-data' 'unclear':229 'unit':112 'usd':125 'usdc':16,32,114,126 'usdc-micropayment' 'use':127 'util':74 'valid':221 'via':44,133 'volum':242 'wallet':183 'web3':93 'window':146 'without':225 'x402':2,18,46,79,101,161,222 'x402 token price' 'x402-gated':1,17 'x402-payment'","prices":[{"id":"480eb56e-2015-4b1f-b4fe-a7fbd256f053","listingId":"aa2f3945-4e23-42f5-939f-618afa9c4d28","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/ENJ","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:44.166Z"}],"sources":[{"listingId":"aa2f3945-4e23-42f5-939f-618afa9c4d28","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/ENJ","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:44.166Z","lastSeenAt":"2026-04-23T20:01:28.022Z"}],"details":{"listingId":"aa2f3945-4e23-42f5-939f-618afa9c4d28","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/ENJ \\\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 x402 version 1 challenge, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/tokens/ENJ"},{"claim":"Price is $0.02 per request (maxAmountRequired 20000 base units of USDC with 6 decimals)","source_url":"https://lowpaymentfee.com/api/v1/tokens/ENJ"},{"claim":"Payment asset is USDC on Base network at address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/ENJ"},{"claim":"Platform advertises no API keys, no rate limits, instant access, $0.02/request pricing","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching ENJ (Enjin Coin) token data on demand without needing an API key","Integrating pay-per-call crypto data into autonomous agent workflows","Building lightweight dashboards that pull token info with micropayments"],"bestFor":["Agents or bots that need on-demand token data without subscription commitments","Developers experimenting with x402 micropayment-gated APIs","Low-volume consumers who want to avoid API key management"],"notFor":["High-frequency trading systems that need sub-second latency and bulk data","Users who need comprehensive historical token data or OHLCV candles","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:45:49.554Z"},"updatedAt":"2026-04-23T20:01:28.022Z"}}