{"id":"5a55768f-eefd-41fa-83b0-d50858f33f67","shortId":"gN2gQK","kind":"x402","title":"Query DeFi protocol data on Base via x402-paid endpoint (USDC on Base or USDT on Tron)","tagline":"Query DeFi protocol data on Base via x402-paid endpoint (USDC on Base or USDT on Tron)","description":"This endpoint provides crypto data intelligence focused on DeFi protocols on the Base network. It is operated by Erudite Intelligence LLC and accessed via the x402 payment protocol. Callers send a POST request with a JSON body specifying a DeFi protocol name (e.g. \"aave\"), and receive structured JSON data about that protocol in return.\n\nPayment is required per-call at $0.01 (10,000 base units of USDC on Base, or 10,000 base units of USDT on Tron — both 6-decimal tokens). The x402 v2 challenge is facilitated through Coinbase CDP on the Base network path, and a direct Tron path is also available. The endpoint returns a 402 Payment Required response with full x402 challenge details when called without payment.\n\nDocumentation is sparse. The provider's landing page describes EruditePay primarily as an x402 payment facilitator (verify/settle bridge across 20 blockchains), but this specific endpoint serves DeFi protocol data rather than facilitator functions. The response schema shows `{\"success\": true, \"data\": {}}` as an example, but no detailed field-level documentation for the returned data object is available. The input schema accepts a `protocol` field described as \"DeFi protocol name or address.\" Without richer docs or example responses, the exact scope and depth of the returned data cannot be confirmed.","tags":[],"capabilities":["defi-protocol-data","base-chain","x402-payment","usdc-payment","usdt-tron-payment","json-api","crypto-intelligence"],"categories":["defi","crypto-data"],"synonyms":["DeFi protocol info","DeFi analytics","Base DeFi data","crypto protocol lookup","on-chain DeFi intelligence","Aave data API","DeFi protocol metadata"],"warnings":["No documentation available — /docs returns 404","Example response shows an empty data object; actual response structure is unknown","The provider's site primarily describes a payment facilitator, not a DeFi data service — the relationship between the two is unclear","No OpenAPI spec or detailed schema for the response payload"],"endpointUrl":"https://bridge.eruditepay.com/v1/base/defi/protocols","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x6961b88476a9b89C4ed97A4aF4D190754d5e70A1","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live and returns a well-formed x402 v2 challenge with a clear input schema and example. However, documentation is effectively absent (the /docs path 404s), the example response data object is empty, and there is no field-level documentation for what the endpoint actually returns. Pricing and payment mechanics are clear, but the actual data content is 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'000':100,109 '10':99,108 '20':178 '402':146 '6':117 'Aave data API' 'Base DeFi data' 'DeFi analytics' 'DeFi protocol info' 'DeFi protocol metadata' 'aav':80 'accept':219 'access':59 'across':177 'address':229 'also':140 'avail':141,215 'base':6,14,24,32,49,101,106,110,131 'base-chain' 'blockchain':179 'bodi':73 'bridg':176 'call':96,156 'caller':65 'cannot':245 'cdp':128 'challeng':123,153 'coinbas':127 'confirm':247 'crypto':40 'crypto protocol lookup' 'crypto-intelligence' 'data':4,22,41,85,187,198,212,244 'decim':118 'defi':2,20,45,76,185,225 'defi-protocol-data' 'depth':240 'describ':167,223 'detail':154,204 'direct':136 'doc':232 'document':159,208 'e.g':79 'endpoint':11,29,38,143,183 'erudit':55 'eruditepay':168 'exact':237 'exampl':201,234 'facilit':125,174,190 'field':206,222 'field-level':205 'focus':43 'full':151 'function':191 'input':217 'intellig':42,56 'json':72,84 'json-api' 'land':165 'level':207 'llc':57 'name':78,227 'network':50,132 'object':213 'on-chain DeFi intelligence' 'oper':53 'page':166 'paid':10,28 'path':133,138 'payment':63,91,147,158,173 'per':95 'per-cal':94 'post':68 'primarili':169 'protocol':3,21,46,64,77,88,186,221,226 'provid':39,163 'queri':1,19 'rather':188 'receiv':82 'request':69 'requir':93,148 'respons':149,193,235 'return':90,144,211,243 'richer':231 'schema':194,218 'scope':238 'send':66 'serv':184 'show':195 'spars':161 'specif':182 'specifi':74 'structur':83 'success':196 'token':119 'tron':18,36,115,137 'true':197 'unit':102,111 'usdc':12,30,104 'usdc-payment' 'usdt':16,34,113 'usdt-tron-payment' 'v2':122 'verify/settle':175 'via':7,25,60 'without':157,230 'x402':9,27,62,121,152,172 'x402-paid':8,26 'x402-payment'","prices":[{"id":"aeaac635-b180-4800-bb2e-84f80f6210f9","listingId":"5a55768f-eefd-41fa-83b0-d50858f33f67","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x6961b88476a9b89C4ed97A4aF4D190754d5e70A1","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x6961b88476a9b89C4ed97A4aF4D190754d5e70A1","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:35.914Z"}],"sources":[{"listingId":"5a55768f-eefd-41fa-83b0-d50858f33f67","source":"x402_bazaar","sourceId":"https://bridge.eruditepay.com/v1/base/defi/protocols","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:35.914Z","lastSeenAt":"2026-04-22T10:33:12.091Z"}],"details":{"listingId":"5a55768f-eefd-41fa-83b0-d50858f33f67","quickStartSnippet":"curl -X POST https://bridge.eruditepay.com/v1/base/defi/protocols \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"protocol\": \"aave\"}'","exampleRequest":{"protocol":"aave"},"exampleResponse":{"data":{},"success":true},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns x402 v2 challenge with USDC on Base (amount 10000) and USDT on Tron (amount 10000)","source_url":"https://bridge.eruditepay.com/v1/base/defi/protocols"},{"claim":"Provider is Erudite Intelligence LLC, FinCEN MSB registered","source_url":"https://bridge.eruditepay.com"},{"claim":"USDC on Base uses asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 with 6 decimals","source_url":"https://bridge.eruditepay.com"},{"claim":"Input schema accepts a 'protocol' field described as 'DeFi protocol name or address'","source_url":"https://bridge.eruditepay.com/v1/base/defi/protocols"},{"claim":"Facilitator URL is https://api.cdp.coinbase.com/platform/v2/x402 for the Base network path","source_url":"https://bridge.eruditepay.com/v1/base/defi/protocols"}],"useCases":["Retrieve information about a specific DeFi protocol deployed on Base","Agent-driven DeFi research by querying protocol details programmatically","Building dashboards or alerts that pull live DeFi protocol data"],"bestFor":["AI agents needing on-demand DeFi protocol data with micropayments","Developers integrating DeFi intelligence into crypto applications","Automated research pipelines that query protocol-level data"],"notFor":["Users needing free or high-volume bulk DeFi data (each call costs $0.01)","Querying non-DeFi or non-Base-related blockchain data (scope unclear)"],"kindDetails":{},"updatedAt":"2026-04-22T01:38:55.814Z"}}