{"id":"2496e7a8-a643-4356-9215-0cab455c9105","shortId":"SKMLDM","kind":"x402","title":"Query liquidity pool fee earnings for tokens on Base and other chains via x402 micropayment.","tagline":"Query liquidity pool fee earnings for tokens on Base and other chains via x402 micropayment.","description":"This x402-gated endpoint from Erudite Intelligence LLC returns fee-earnings data for liquidity pools. You POST a JSON body specifying a token address and blockchain network (e.g. Base, Ethereum, Tron), and the endpoint responds with pool fee-earnings intelligence. The endpoint is described as \"Crypto data intelligence\" in its x402 challenge.\n\nPayment is required per-call via the x402 protocol (HTTP 402 challenge). The endpoint accepts two payment methods: USDC on Base (eip155:8453) at 0.01 USDC per request, or USDT on Tron (tron:728126428) at 0.01 USDT per request. Both amounts are 10,000 base units with 6 decimals. The x402 facilitator is Coinbase CDP for the Base payment rail. Settlement timeout is 300 seconds.\n\nThe input schema accepts a JSON body with `token` (a token address or pair identifier) and `chain` (blockchain network name such as base, ethereum, or tron). The output is a JSON object with a `success` boolean and a `data` object. Documentation beyond the x402 challenge and the Bazaar schema extension is sparse — the provider's /docs endpoint returns a 404, and the example output shows an empty `data` object, so the exact structure of the returned fee-earnings data is not documented in the available material.","tags":[],"capabilities":["liquidity-pool-analytics","fee-earnings-query","multi-chain-support","x402-micropayment","defi-data","crypto-intelligence"],"categories":["crypto","defi","data"],"synonyms":["pool fee earnings","LP fee data","liquidity pool revenue","DeFi pool analytics","token fee earnings","AMM fee data","pool earnings API"],"warnings":["No dedicated documentation available — /docs returns 404","Example output in Bazaar schema shows empty data object; actual response structure is unknown","Response fields and their meanings must be discovered empirically"],"endpointUrl":"https://bridge.eruditepay.com/v1/base/pool/fee-earnings","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x24c5da6267AEbEBfCBf7B325753C5B2538A5B09B","amount":"3000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t","extra":{"name":"TronTransferAuthorization","version":"1","wrapper":"THGkLBrLY1G5VovZjjK1jP9upyxRdMNL3b"},"payTo":"TSevuRZFjpckeMSSDhQFoiAkPCkckuE5TP","amount":"3000","scheme":"exact","network":"tron:728126428","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live (402 challenge confirmed) with a clear Bazaar schema extension describing input/output. However, documentation is effectively absent (/docs returns 404), the example output contains an empty data object, and the actual structure of fee-earnings results is undocumented. Pricing and payment rails are 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'0.01':111,122 '000':130 '10':129 '300':150 '402':97 '404':211 '6':134 '728126428':120 '8453':109 'AMM fee data' 'DeFi pool analytics' 'LP fee data' 'accept':101,155 'address':56,163 'amount':127 'avail':237 'base':9,24,61,107,131,144,174 'bazaar':199 'beyond':193 'blockchain':58,169 'bodi':52,158 'boolean':187 'call':91 'cdp':141 'chain':12,27,168 'challeng':85,98,196 'coinbas':140 'crypto':79 'crypto-intelligence' 'data':44,80,190,219,231 'decim':135 'defi-data' 'describ':77 'document':192,234 'e.g':60 'earn':5,20,43,72,230 'eip155':108 'empti':218 'endpoint':35,66,75,100,208 'erudit':37 'ethereum':62,175 'exact':223 'exampl':214 'extens':201 'facilit':138 'fee':4,19,42,71,229 'fee-earn':41,70,228 'fee-earnings-query' 'gate':34 'http':96 'identifi':166 'input':153 'intellig':38,73,81 'json':51,157,182 'liquid':2,17,46 'liquidity pool revenue' 'liquidity-pool-analytics' 'llc':39 'materi':238 'method':104 'micropay':15,30 'multi-chain-support' 'name':171 'network':59,170 'object':183,191,220 'output':179,215 'pair':165 'payment':86,103,145 'per':90,113,124 'per-cal':89 'pool':3,18,47,69 'pool earnings API' 'pool fee earnings' 'post':49 'protocol':95 'provid':205 'queri':1,16 'rail':146 'request':114,125 'requir':88 'respond':67 'return':40,209,227 'schema':154,200 'second':151 'settlement':147 'show':216 'spars':203 'specifi':53 'structur':224 'success':186 'timeout':148 'token':7,22,55,160,162 'token fee earnings' 'tron':63,118,119,177 'two':102 'unit':132 'usdc':105,112 'usdt':116,123 'via':13,28,92 'x402':14,29,33,84,94,137,195 'x402-gated':32 'x402-micropayment'","prices":[{"id":"a42db0a6-d513-4084-b6c2-f718e8931355","listingId":"2496e7a8-a643-4356-9215-0cab455c9105","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x24c5da6267AEbEBfCBf7B325753C5B2538A5B09B","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x24c5da6267AEbEBfCBf7B325753C5B2538A5B09B","amount":"3000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t","extra":{"name":"TronTransferAuthorization","version":"1","wrapper":"THGkLBrLY1G5VovZjjK1jP9upyxRdMNL3b"},"payTo":"TSevuRZFjpckeMSSDhQFoiAkPCkckuE5TP","amount":"3000","scheme":"exact","network":"tron:728126428","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:36.889Z"}],"sources":[{"listingId":"2496e7a8-a643-4356-9215-0cab455c9105","source":"x402_bazaar","sourceId":"https://bridge.eruditepay.com/v1/base/pool/fee-earnings","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:36.889Z","lastSeenAt":"2026-04-22T07:02:22.727Z"}],"details":{"listingId":"2496e7a8-a643-4356-9215-0cab455c9105","quickStartSnippet":"curl -X POST https://bridge.eruditepay.com/v1/base/pool/fee-earnings \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"token\": \"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\", \"chain\": \"base\"}'","exampleRequest":{"chain":"base","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"exampleResponse":{"data":{},"success":true},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns x402 v2 challenge with USDC on Base (10000 base units) and USDT on Tron (10000 base units)","source_url":"https://bridge.eruditepay.com/v1/base/pool/fee-earnings"},{"claim":"Provider is Erudite Intelligence LLC, FinCEN MSB registered","source_url":"https://bridge.eruditepay.com"},{"claim":"x402 facilitator is Coinbase CDP (https://api.cdp.coinbase.com/platform/v2/x402)","source_url":"https://bridge.eruditepay.com"},{"claim":"USDC on Base uses 6 decimals, so 10000 base units = $0.01","source_url":"https://bridge.eruditepay.com"}],"useCases":["Retrieve fee earnings for a specific token's liquidity pool on Base or other supported chains","Compare fee revenue across different liquidity pools to inform LP positioning","Feed pool fee-earnings data into automated DeFi portfolio management agents","Monitor fee accrual trends for specific token pairs over time"],"bestFor":["DeFi analysts tracking liquidity pool performance","Automated trading agents evaluating LP yield opportunities","Portfolio dashboards needing on-chain fee-earnings data"],"notFor":["Historical time-series pool analytics (no evidence of time-range parameters)","Non-crypto or traditional finance fee data","Free or high-volume bulk data retrieval (each call costs 0.01 USD)"],"kindDetails":{},"updatedAt":"2026-04-22T02:06:42.210Z"}}