{"id":"c6d647ec-e0a5-42ed-a285-e7dc9bf54b4a","shortId":"cwPF35","kind":"x402","title":"Look up smart contract information on Base via x402-paid crypto data intelligence endpoint.","tagline":"Look up smart contract information on Base via x402-paid crypto data intelligence endpoint.","description":"This endpoint, hosted by Erudite Intelligence LLC at bridge.eruditepay.com, provides crypto data intelligence about smart contracts. You send a POST request with a contract address and receive structured JSON data about that contract. The endpoint is described as \"Crypto data intelligence\" in its x402 challenge.\n\nPayment is required via the x402 protocol (version 2). The endpoint accepts two payment options: USDC on Base (eip155:8453) at 10,000 base units ($0.01 per call), or USDT on Tron (tron:728126428) at 10,000 base units ($0.01 per call). Payment is facilitated through Coinbase CDP's x402 facilitator for the Base option. The provider, Erudite Intelligence LLC, is a FinCEN-registered MSB.\n\nThe input schema is straightforward: a JSON body with an `address` field containing the contract address to query. The output is a JSON object with a `success` boolean and a `data` object. However, the example output shows an empty `data` object, so the exact fields returned are not documented. No OpenAPI spec or detailed API documentation was found — the /docs path returns a 404. This limits confidence in what specific contract information is returned.","tags":[],"capabilities":["contract-info-lookup","x402-payment","base-chain","tron-chain","usdc-payment","usdt-payment","crypto-data-intelligence"],"categories":["crypto","blockchain","data"],"synonyms":["smart contract info","contract details","contract lookup","on-chain contract data","ERC-20 contract info","Base contract query","crypto contract intelligence"],"warnings":["No API documentation available — /docs returns 404","Output example contains an empty data object; actual response fields are undocumented","The description 'Crypto data intelligence' is vague — exact data returned is unclear","Schema only describes input; output schema is minimal"],"endpointUrl":"https://bridge.eruditepay.com/v1/base/contract/info","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x6961b88476a9b89C4ed97A4aF4D190754d5e70A1","amount":"3000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live and returns a valid x402 challenge with schema info, but the output example is empty (data: {}), no OpenAPI spec exists, and the /docs path 404s. The actual contract information fields returned are unknown, making integration 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'0.01':101,115 '000':98,112 '10':97,111 '2':84 '404':205 '728126428':109 '8453':95 'Base contract query' 'ERC-20 contract info' 'accept':87 'address':55,152,157 'api':196 'base':7,22,93,99,113,129 'base-chain' 'bodi':149 'boolean':169 'bridge.eruditepay.com':39 'call':103,117 'cdp':123 'challeng':75 'coinbas':122 'confid':208 'contain':154 'contract':4,19,46,54,63,156,212 'contract details' 'contract lookup' 'contract-info-lookup' 'crypto':12,27,41,69 'crypto contract intelligence' 'crypto-data-intelligence' 'data':13,28,42,60,70,172,181 'describ':67 'detail':195 'document':190,197 'eip155':94 'empti':180 'endpoint':15,30,32,65,86 'erudit':35,133 'exact':185 'exampl':176 'facilit':120,126 'field':153,186 'fincen':139 'fincen-regist':138 'found':199 'host':33 'howev':174 'inform':5,20,213 'input':143 'intellig':14,29,36,43,71,134 'json':59,148,164 'limit':207 'llc':37,135 'look':1,16 'msb':141 'object':165,173,182 'on-chain contract data' 'openapi':192 'option':90,130 'output':161,177 'paid':11,26 'path':202 'payment':76,89,118 'per':102,116 'post':50 'protocol':82 'provid':40,132 'queri':159 'receiv':57 'regist':140 'request':51 'requir':78 'return':187,203,215 'schema':144 'send':48 'show':178 'smart':3,18,45 'smart contract info' 'spec':193 'specif':211 'straightforward':146 'structur':58 'success':168 'tron':107,108 'tron-chain' 'two':88 'unit':100,114 'usdc':91 'usdc-payment' 'usdt':105 'usdt-payment' 'version':83 'via':8,23,79 'x402':10,25,74,81,125 'x402-paid':9,24 'x402-payment'","prices":[{"id":"e9da0cf1-a590-4e56-bed0-c508d806a2f3","listingId":"c6d647ec-e0a5-42ed-a285-e7dc9bf54b4a","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":"3000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:36.799Z"}],"sources":[{"listingId":"c6d647ec-e0a5-42ed-a285-e7dc9bf54b4a","source":"x402_bazaar","sourceId":"https://bridge.eruditepay.com/v1/base/contract/info","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:36.799Z","lastSeenAt":"2026-04-22T09:02:31.446Z"}],"details":{"listingId":"c6d647ec-e0a5-42ed-a285-e7dc9bf54b4a","quickStartSnippet":"curl -X POST https://bridge.eruditepay.com/v1/base/contract/info \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"address\": \"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"}'","exampleRequest":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"exampleResponse":{"data":{},"success":true},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns x402 v2 challenge with 'Crypto data intelligence' description","source_url":"https://bridge.eruditepay.com/v1/base/contract/info"},{"claim":"Accepts USDC on Base (10000 base units = $0.01) and USDT on Tron (10000 base units = $0.01)","source_url":"https://bridge.eruditepay.com/v1/base/contract/info"},{"claim":"Provider is Erudite Intelligence LLC, FinCEN MSB registered (BSA ID 31000324258137)","source_url":"https://bridge.eruditepay.com"},{"claim":"Payment facilitated via Coinbase CDP x402 facilitator for Base chain option","source_url":"https://bridge.eruditepay.com/v1/base/contract/info"}],"useCases":["Querying metadata or details about a smart contract deployed on Base","Automated agent workflows that need contract information before interacting with a contract","Building dashboards or tools that display contract-level intelligence"],"bestFor":["Agents needing programmatic contract lookups with micropayments","Developers integrating contract data into x402-compatible workflows","Low-cost per-query contract information retrieval"],"notFor":["Bulk historical blockchain data analysis (no batch endpoint documented)","Non-crypto or non-blockchain use cases","Users who need detailed documentation before integrating — docs are sparse"],"kindDetails":{},"updatedAt":"2026-04-22T02:02:20.613Z"}}