{"id":"e98090b7-51ed-4436-b6b2-f9570f6668a1","shortId":"3Wv3JS","kind":"x402","title":"DYDX liquidity data via x402 micropayment on Base, $0.02 per request.","tagline":"DYDX liquidity data via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides DeFi liquidity data for the DYDX token, accessible through the x402 payment protocol. It is hosted at lowpaymentfee.com, a platform offering a broad catalog of pay-per-call APIs spanning data analytics, AI/ML, finance/Web3, and infrastructure utilities. 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 at `/api/v1/defi/DYDX/liquidity` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, requiring a maximum payment of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02. Payment is made via the x402 `exact` scheme to the specified payTo address, with a 300-second timeout window. No API keys or rate limits are advertised; access is granted purely through per-request micropayment.\n\nDocumentation on the site is extremely thin — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The endpoint is categorized under \"Finance & Web3\" on the provider's landing page, but the specific `/defi/DYDX/liquidity` path is not listed among the advertised endpoints, suggesting it may be an unlisted or newer addition. Without documentation on the expected request body or response format, consumers will need to experiment or contact the provider.","tags":[],"capabilities":["defi-liquidity-data","dydx-token","x402-micropayment","usdc-payment","base-network","pay-per-request","no-api-key","json-response"],"categories":["defi","finance"],"synonyms":["DYDX liquidity","DeFi liquidity API","DYDX market depth","decentralized exchange liquidity","x402 DeFi endpoint","crypto liquidity data","DYDX pool data"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No request body schema or response schema documented anywhere","The /api/v1/defi/DYDX/liquidity endpoint is not listed among the provider's advertised APIs on the landing page","No OpenAPI or ai-plugin manifest found","Response format and fields are completely unknown"],"endpointUrl":"https://lowpaymentfee.com/api/v1/defi/DYDX/liquidity","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/defi/DYDX/liquidity","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and this specific endpoint is not even listed on the provider's landing page. Essentially a stub 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'/defi/dydx/liquidity':213 '0.02':9,20,72,121 '000':110 '0x8335':115 '20':109 '2913':116 '300':137 'DYDX liquidity' 'DYDX market depth' 'DYDX pool data' 'DeFi liquidity API' 'accept':90 'access':33,149 'addit':230 'address':134 'advertis':148,220 'ai/ml':59 'among':218 'analyt':58 'api':55,142,167 'avail':196 'base':8,19,83,111,118 'base-network' 'bodi':237 'broad':48 'call':54 'catalog':49 'categor':200 'challeng':98 'confirm':99 'connect':176 'consum':241 'contact':247 'crypto liquidity data' 'data':3,14,28,57 'decentralized exchange liquidity' 'defi':26 'defi-liquidity-data' 'detail':183 'doc':166 'document':158,232 'dydx':1,12,31 'dydx-token' 'endpoint':24,65,87,101,198,221 'equal':120 'exact':128 'exampl':194 'expect':235 'experi':245 'extrem':163 'financ':202 'finance/web3':60 'format':240 'grant':151 'host':41 'infrastructur':62 'json':95 'json-response' 'key':143 'land':208 'limit':146 'liquid':2,13,27 'list':217 'live':103 'lowpaymentfee.com':43 'made':124 'maximum':106 'may':224 'micropay':6,17,157 'model':77 'need':243 'network':84 'newer':229 'no-api-key' 'offer':46 'openapi':187 'page':171,209 'path':214 'pay':52 'pay-per-cal':51 'pay-per-request' 'payload':195 'payment':37,107,122 'payto':133 'per':10,21,53,74,155 'per-request':73,154 'platform':45,68 'post':91 'price':76,168 'prompt':178 'protocol':38 'provid':25,206,249 'pure':152 'rate':145 'readm':170 'render':173 'request':11,22,75,92,156,236 'request/response':190 'requir':104 'respons':239 'return':94 'schema':191 'scheme':129 'second':138 'settl':78 'share':69 'site':161 'span':56 'spec':188 'specif':86,212 'specifi':132 'suggest':222 'technic':182 'thin':164 'timeout':139 'token':32 'uniform':71 'unit':112 'unlist':227 'usdc':80,114 'usdc-payment' 'util':63 'via':4,15,125 'wallet':177 'web3':203 'window':140 'without':231 'x402':5,16,36,97,127 'x402 DeFi endpoint' 'x402-micropayment'","prices":[{"id":"2da5007a-470a-4e9b-b4eb-09b0ff4ece9f","listingId":"e98090b7-51ed-4436-b6b2-f9570f6668a1","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/defi/DYDX/liquidity","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:32.717Z"}],"sources":[{"listingId":"e98090b7-51ed-4436-b6b2-f9570f6668a1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/defi/DYDX/liquidity","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:32.717Z","lastSeenAt":"2026-04-23T02:00:20.002Z"}],"details":{"listingId":"e98090b7-51ed-4436-b6b2-f9570f6668a1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/defi/DYDX/liquidity \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{}'","exampleRequest":{},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge requiring 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network","source_url":"https://lowpaymentfee.com/api/v1/defi/DYDX/liquidity"},{"claim":"The platform advertises $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages render only a 'Connect wallet' prompt with no technical documentation","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Querying real-time DYDX token liquidity metrics for trading decisions","Monitoring DeFi liquidity pools programmatically without API key management","Integrating DYDX liquidity data into autonomous trading agents that can pay per call"],"bestFor":["Agents or bots needing on-demand DYDX liquidity snapshots","Developers prototyping DeFi dashboards without subscription commitments","x402-compatible wallets seeking pay-as-you-go DeFi data"],"notFor":["High-frequency trading requiring sub-second latency and bulk data (no documented rate guarantees)","Users needing comprehensive DeFi analytics across many tokens from a single documented API","Anyone requiring detailed API documentation or SLAs before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T09:34:14.96Z"},"updatedAt":"2026-04-23T02:00:20.002Z"}}