{"id":"1f56f6dc-5eb1-4930-bbc8-476b69c54b97","shortId":"yxMNdT","kind":"x402","title":"MakerDAO TVL data via x402 micropayment on Base, $0.02 per request in USDC.","tagline":"MakerDAO TVL data via x402 micropayment on Base, $0.02 per request in USDC.","description":"This endpoint returns MakerDAO Total Value Locked (TVL) data as part of the lowpaymentfee.com DeFi data suite. It is accessed via the x402 payment protocol: callers attach a USDC micropayment on Base (chain) in the X-PAYMENT header, and the server returns JSON results. The price is $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or accounts are required — payment is the only authentication.\n\nThe endpoint accepts HTTP POST requests and responds with application/json. It sits alongside a broader catalog of endpoints on lowpaymentfee.com covering analytics, AI/ML inference, finance/crypto data, and utility services, all priced at $0.02 per call. The specific data returned by this MakerDAO TVL endpoint is not documented in detail; the crawled site provides no schema for the response body or example payloads. The x402 challenge was successfully captured (HTTP 402), confirming the endpoint is live.\n\nPayment settles on the Base network to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The maximum timeout for payment verification is 300 seconds.","tags":[],"capabilities":["defi-tvl","makerdao-data","x402-payment","usdc-base","micropayment-api","json-response"],"categories":["defi","finance"],"synonyms":["MakerDAO TVL","DeFi total value locked","MakerDAO locked value","DAI TVL","DeFi analytics","MakerDAO metrics","TVL API"],"warnings":["No response schema or example payloads documented — actual data structure is unknown","Docs, pricing, and API pages return only a 'Connect wallet' prompt with no useful content","It is unclear whether the TVL data is real-time, cached, or how frequently it updates","The endpoint is not listed on the site's main catalog page (only generic categories shown)"],"endpointUrl":"https://lowpaymentfee.com/api/v1/defi/makerdao/tvl","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/makerdao/tvl","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base). However, there is no documented response schema, no example request/response payloads, and the docs/pricing/API pages are empty beyond a wallet-connect prompt. The actual data content of the MakerDAO TVL endpoint is entirely 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'000':79 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':182 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':186 '20':78 '300':194 '402':168 '6':85 'DAI TVL' 'DeFi analytics' 'DeFi total value locked' 'MakerDAO TVL' 'MakerDAO locked value' 'MakerDAO metrics' 'TVL API' 'accept':101 'access':46 'account':91 'address':181 'ai/ml':121 'alongsid':111 'analyt':120 'api':88 'application/json':108 'attach':53 'authent':98 'base':8,21,58,80,178 'bodi':157 'broader':113 'call':133 'caller':52 'captur':166 'catalog':114 'chain':59 'challeng':163 'confirm':169 'contract':185 'cover':119 'crawl':149 'data':3,16,35,42,124,136 'decim':86 'defi':41 'defi-tvl' 'detail':147 'document':145 'endpoint':28,100,116,142,171 'exampl':159 'finance/crypto':123 'header':65 'http':102,167 'infer':122 'json':70 'json-response' 'key':89 'live':173 'lock':33 'lowpaymentfee.com':40,118 'makerdao':1,14,30,140 'makerdao-data' 'maximum':188 'micropay':6,19,56 'micropayment-api' 'network':179 'part':37 'payload':160 'payment':50,64,94,174,191 'per':10,23,76,132 'post':103 'price':73,129 'protocol':51 'provid':151 'request':11,24,77,104 'requir':93 'respond':106 'respons':156 'result':71 'return':29,69,137 'schema':153 'second':195 'server':68 'servic':127 'settl':175 'sit':110 'site':150 'specif':135 'success':165 'suit':43 'timeout':189 'total':31 'tvl':2,15,34,141 'unit':81 'usdc':13,26,55,83,184 'usdc-base' 'use':183 'util':126 'valu':32 'verif':192 'via':4,17,47 'x':63 'x-payment':62 'x402':5,18,49,162 'x402-payment'","prices":[{"id":"eda232ea-9a16-4cb6-9a48-fd393960cd2f","listingId":"1f56f6dc-5eb1-4930-bbc8-476b69c54b97","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/makerdao/tvl","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-19T12:29:49.330Z"}],"sources":[{"listingId":"1f56f6dc-5eb1-4930-bbc8-476b69c54b97","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/defi/makerdao/tvl","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-19T12:29:49.330Z","lastSeenAt":"2026-04-22T02:31:47.507Z"}],"details":{"listingId":"1f56f6dc-5eb1-4930-bbc8-476b69c54b97","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/defi/makerdao/tvl \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with an x402 challenge advertising USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/defi/makerdao/tvl"},{"claim":"Price is $0.02 per request (maxAmountRequired 20000 base units, USDC 6 decimals)","source_url":"https://lowpaymentfee.com/api/v1/defi/makerdao/tvl"},{"claim":"All listed APIs on the site are priced at $0.02 per request with no API keys or rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Payment settles on Base network to 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/defi/makerdao/tvl"}],"useCases":["Querying current MakerDAO TVL for portfolio dashboards","Feeding DeFi TVL data into automated trading or analytics agents","Comparing protocol TVL across DeFi platforms","Building DeFi monitoring bots that pay per query"],"bestFor":["Agents needing on-demand DeFi TVL data without API key signup","Micropayment-native workflows on Base","Low-frequency, pay-per-call DeFi data retrieval"],"notFor":["High-frequency bulk data ingestion (no documented bulk/batch endpoint)","Users who need detailed historical TVL time-series (response schema undocumented)","Free-tier or subscription-based access patterns"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:23.37Z"},"updatedAt":"2026-04-22T02:31:47.507Z"}}