{"id":"0ee925a8-fdc6-4877-b7fb-28b7bbd96e41","shortId":"DK9zSM","kind":"x402","title":"Pay-per-call DYDX token data via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call DYDX token data via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides token data for DYDX through a pay-per-call x402 protocol. The endpoint is live and returns a standard x402 challenge (HTTP 402) requiring payment of 20,000 base units of USDC (0x8335…2913 on Base network), which equals $0.02 per request. Payment is settled on the Base L2 network using the \"exact\" scheme, meaning each call requires a one-time micropayment with no subscriptions or API keys needed.\n\nThe provider hosts a broad catalog of endpoints spanning data & analytics, AI/ML inference, finance & Web3, and infrastructure utilities — all priced uniformly at $0.02 per request. The specific endpoint `/api/v1/tokens/DYDX` falls under the Finance & Web3 category and likely returns token-level data (price, metadata, or market information) for the DYDX token. However, no detailed documentation, request/response schema, or example payloads are available from the crawled material — the docs, API, pricing, and README pages all resolve to a minimal \"Connect wallet\" prompt.\n\nBecause there is no OpenAPI spec, no documented request format, and no sample responses, the exact fields returned by this endpoint are unknown. Agents should expect a JSON response (the challenge advertises `application/json` as the MIME type) but will need to discover the schema empirically. The endpoint accepts POST requests and is marked as discoverable in the x402 outputSchema.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","token-data","per-call-pricing","no-api-key","json-response"],"categories":["finance","crypto"],"synonyms":["DYDX token data","DYDX price API","crypto token info","DYDX market data","x402 token endpoint","micropayment API","pay-per-call crypto"],"warnings":["No API documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No request or response schema documented; the data returned for DYDX is unknown","No OpenAPI or machine-readable spec provided","Endpoint behavior must be discovered empirically after payment"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/DYDX","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/DYDX","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 spec, no request/response schema, no documentation beyond a landing page listing, and no example payloads. The actual data returned is entirely unknown, making this effectively a stub 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'/request':17,34 '0.02':16,33,80,133 '000':68 '0x8335':73 '20':67 '2913':74 '402':63 'DYDX market data' 'DYDX price API' 'DYDX token data' 'accept':239 'advertis':223 'agent':215 'ai/ml':122 'analyt':121 'api':108,179 'application/json':224 'avail':172 'base':11,28,69,76,88 'base-network' 'broad':115 'call':4,21,49,97 'catalog':116 'categori':145 'challeng':61,222 'connect':189 'crawl':175 'crypto token info' 'data':7,24,41,120,152 'detail':164 'discov':233 'discover':246 'doc':178 'document':165,199 'dydx':5,22,43,160 'empir':236 'endpoint':36,53,118,138,212,238 'equal':79 'exact':93,207 'exampl':169 'expect':217 'fall':140 'field':208 'financ':124,143 'format':201 'host':113 'howev':162 'http':62 'infer':123 'inform':157 'infrastructur':127 'json':219 'json-response' 'key':109 'l2':89 'level':151 'like':147 'live':55 'lowpaymentfee.com':38 'mark':244 'market':156 'materi':176 'mean':95 'metadata':154 'micropay':103 'micropayment API' 'mime':227 'minim':188 'need':110,231 'network':77,90 'no-api-key' 'one':101 'one-tim':100 'openapi':196 'outputschema':250 'page':183 'pay':2,19,47 'pay-per-cal':1,18,46 'pay-per-call crypto' 'payload':170 'payment':65,83 'per':3,20,48,81,134 'per-call-pricing' 'post':240 'price':130,153,180 'prompt':191 'protocol':51 'provid':39,112 'readm':182 'request':82,135,200,241 'request/response':166 'requir':64,98 'resolv':185 'respons':205,220 'return':57,148,209 'sampl':204 'schema':167,235 'scheme':94 'settl':12,29,85 'span':119 'spec':197 'specif':137 'standard':59 'subscript':106 'time':102 'token':6,23,40,150,161 'token-data' 'token-level':149 'type':228 'uniform':131 'unit':70 'unknown':214 'usdc':14,31,72 'usdc-micropayment' 'use':91 'util':128 'via':8,25 'wallet':190 'web3':125,144 'x402':9,26,50,60,249 'x402 token endpoint' 'x402-payment'","prices":[{"id":"89b9d2a2-3822-449e-bbed-5d9a3e98ea82","listingId":"0ee925a8-fdc6-4877-b7fb-28b7bbd96e41","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/DYDX","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:26.978Z"}],"sources":[{"listingId":"0ee925a8-fdc6-4877-b7fb-28b7bbd96e41","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/DYDX","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:26.978Z","lastSeenAt":"2026-04-24T09:03:03.823Z"}],"details":{"listingId":"0ee925a8-fdc6-4877-b7fb-28b7bbd96e41","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/DYDX \\\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 challenge requiring 20,000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/DYDX"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/DYDX"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The endpoint is listed under Finance & Web3 category alongside price feeds, exchange rates, token quotes, and gas estimates","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching current DYDX token data (price, metadata) without needing an API key","Integrating DYDX token information into trading bots or dashboards via micropayments","Agent-driven portfolio tracking that pays per query on Base network"],"bestFor":["Agents or bots that need on-demand DYDX token data without subscription commitments","Developers experimenting with x402 micropayment-gated APIs","Low-volume consumers who prefer pay-per-call over monthly plans"],"notFor":["High-frequency trading requiring sub-second latency and bulk data (no documented rate guarantees)","Users who need comprehensive DYDX order book or historical OHLCV data (not documented)","Anyone needing detailed API documentation or guaranteed SLAs before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:47.753Z"},"updatedAt":"2026-04-24T09:03:03.823Z"}}