{"id":"5f638b7a-8013-427f-a7b4-812c5e6cbd1d","shortId":"Twznfe","kind":"x402","title":"DAI liquidity data via x402 micropayment on Base network, $0.02 per request.","tagline":"DAI liquidity data via x402 micropayment on Base network, $0.02 per request.","description":"This endpoint provides DAI liquidity information through the x402 payment protocol. It is part of a broader suite of DeFi, analytics, AI, and utility APIs offered by lowpaymentfee.com, all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/defi/DAI/liquidity` is a POST endpoint that returns JSON data related to DAI token liquidity. Payment is handled inline via the x402 protocol: callers include an X-PAYMENT header with a signed payment of up to 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) to the provider's address on Base. No API keys, accounts, or rate limits are required — access is granted per-request upon valid payment.\n\nDocumentation beyond the landing page 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 spec, no request/response schema, and no usage examples available from the crawled material. The endpoint is confirmed live (returns a proper 402 challenge), but the actual shape of the response data and any accepted request parameters are unknown.","tags":[],"capabilities":["defi-liquidity-data","dai-token","x402-micropayment","usdc-payment","base-network","per-request-pricing","no-api-key"],"categories":["defi","finance"],"synonyms":["DAI liquidity","DeFi liquidity API","DAI pool data","decentralized finance liquidity","stablecoin liquidity","DAI market depth","x402 DeFi endpoint"],"warnings":["No API documentation available — docs, pricing, and README pages all render only a wallet-connect prompt","No request parameters or response schema documented; actual output format is unknown","The endpoint description is generic ('Premium API Access') and does not describe the data returned","Cannot verify what DAI liquidity data is actually provided without making a paid request"],"endpointUrl":"https://lowpaymentfee.com/api/v1/defi/DAI/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/DAI/liquidity","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation, and no examples. The actual data returned is entirely unknown, making this effectively a stub 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'0.02':10,22,56,112 '000':107 '20':106 '402':196 '6':117 'DAI liquidity' 'DAI market depth' 'DAI pool data' 'DeFi liquidity API' 'accept':208 'access':135 'account':129 'actual':200 'addit':168 'address':123 'ai':46 'analyt':45 'api':49,127,154 'avail':183 'base':8,20,65,108,125 'base-network' 'beyond':145 'broader':41 'caller':92 'challeng':197 'confirm':191 'connect':163 'crawl':186 'dai':1,13,28,81 'dai-token' 'data':3,15,78,205 'decentralized finance liquidity' 'decim':118 'defi':44 'defi-liquidity-data' 'detail':170 'doc':153 'document':144 'endpoint':26,69,74,189 'exampl':182 'extrem':150 'grant':137 'handl':86 'header':98 'includ':93 'inform':30 'inlin':87 'json':77 'key':128 'land':147 'limit':132 'liquid':2,14,29,83 'live':192 'lowpaymentfee.com':52 'materi':187 'micropay':6,18 'network':9,21,66 'no-api-key' 'offer':50 'openapi':174 'page':148,158 'paramet':210 'part':38 'payment':34,84,97,102,143 'per':11,23,57,139 'per-request':138 'per-request-pricing' 'post':73 'price':54,155 'prompt':165 'proper':195 'protocol':35,91 'provid':27,121 'rate':131 'readm':157 'relat':79 'render':160 'request':12,24,58,140,209 'request/response':177 'requir':134 'respons':204 'return':76,193 'schema':178 'settl':60 'shape':201 'sign':101 'sinc':114 'spars':151 'spec':175 'specif':68 'stablecoin liquidity' 'suit':42 'technic':169 'token':82 'unit':109 'unknown':212 'upon':141 'usag':181 'usd':113 'usdc':62,111,115 'usdc-payment' 'use':116 'util':48 'valid':142 'via':4,16,88 'wallet':164 'x':96 'x-payment':95 'x402':5,17,33,90 'x402 DeFi endpoint' 'x402-micropayment'","prices":[{"id":"5e248580-7654-4aac-b454-da6224b3a301","listingId":"5f638b7a-8013-427f-a7b4-812c5e6cbd1d","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/DAI/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":"2026-04-18T18:32:33.321Z"}],"sources":[{"listingId":"5f638b7a-8013-427f-a7b4-812c5e6cbd1d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/defi/DAI/liquidity","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:33.321Z","lastSeenAt":"2026-04-23T02:00:20.074Z"}],"details":{"listingId":"5f638b7a-8013-427f-a7b4-812c5e6cbd1d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/defi/DAI/liquidity \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/defi/DAI/liquidity"},{"claim":"All APIs 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":"maxAmountRequired is 20000 base units of USDC (USD Coin, 6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/defi/DAI/liquidity"},{"claim":"Payment address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on Base","source_url":"https://lowpaymentfee.com/api/v1/defi/DAI/liquidity"}],"useCases":["Querying real-time DAI liquidity across DeFi protocols","Building dashboards that display DAI pool depth and availability","Automated trading bots that check DAI liquidity before executing swaps","Portfolio management tools needing on-demand liquidity snapshots"],"bestFor":["Agents or bots that need pay-per-call DeFi data without API key management","Developers prototyping DeFi applications who want instant access","Low-volume consumers who prefer micropayments over subscription plans"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need detailed API documentation or request/response schemas before integrating","Anyone without access to USDC on Base network for payment"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:59.315Z"},"updatedAt":"2026-04-23T02:00:20.074Z"}}