{"id":"67991b8d-6d70-4b03-aeee-0d45f02a3880","shortId":"WEawXj","kind":"x402","title":"Retrieve the latest Base blockchain block data via x402 micropayment","tagline":"Retrieve the latest Base blockchain block data via x402 micropayment","description":"This x402-enabled endpoint returns the latest block information for the Base blockchain (eip155:8453). It is operated by Erudite Intelligence LLC and described as providing \"Crypto data intelligence.\" The endpoint accepts a POST request with a JSON body specifying the chain (e.g., \"base\") and returns block data in JSON format.\n\nPayment is required per-call via the x402 protocol (version 2). The endpoint accepts two payment options: USDC on Base (eip155:8453) at 10,000 base units ($0.01 USD) or USDT on Tron (tron:728126428) at 10,000 base units ($0.01 USD). Payment verification and settlement are facilitated through the EruditePay Bridge, which supports 20 blockchains and uses the Coinbase CDP facilitator for Base-chain payments.\n\nThe response schema is loosely defined — the example output shows `{\"success\": true, \"data\": {}}` with the actual block data presumably populating the `data` object. No detailed documentation for this specific data endpoint was found (the provider's /docs path returns a 404), so the exact fields returned in the block data are unknown. The provider is a FinCEN-registered MSB (BSA ID 31000324258137) operating non-custodially.","tags":[],"capabilities":["blockchain-data","latest-block","base-chain","x402-payment","usdc-payment","usdt-payment","tron-payment","crypto-intelligence","real-time-data"],"categories":["crypto","blockchain","data"],"synonyms":["base block data","latest block","blockchain block info","base chain block","crypto block API","on-chain data","block explorer API","EruditePay block"],"warnings":["Output schema is underspecified — example response shows an empty data object with no field definitions","Provider documentation endpoint (/docs) returns 404; no detailed API docs available","Exact fields returned in block data are unknown and must be discovered empirically"],"endpointUrl":"https://bridge.eruditepay.com/v1/base/block/latest","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x24c5da6267AEbEBfCBf7B325753C5B2538A5B09B","amount":"1000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t","extra":{"name":"TronTransferAuthorization","version":"1","wrapper":"THGkLBrLY1G5VovZjjK1jP9upyxRdMNL3b"},"payTo":"TSevuRZFjpckeMSSDhQFoiAkPCkckuE5TP","amount":"1000","scheme":"exact","network":"tron:728126428","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live (402 challenge captured) with clear pricing and payment options. However, the output schema is essentially empty (example shows data: {}), no dedicated docs exist (/docs returns 404), and the actual block data fields are unknown. The listing is functional but 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'0.01':101,114 '000':98,111 '10':97,110 '2':84 '20':128 '31000324258137':203 '404':181 '728126428':108 '8453':36,95 'EruditePay block' 'accept':53,87 'actual':156 'base':4,14,33,65,93,99,112,138 'base block data' 'base chain block' 'base-chain':137 'block':6,16,29,68,157,189 'block explorer API' 'blockchain':5,15,34,129 'blockchain block info' 'blockchain-data' 'bodi':60 'bridg':125 'bsa':201 'call':78 'cdp':134 'chain':63,139 'coinbas':133 'crypto':48 'crypto block API' 'crypto-intelligence' 'custodi':207 'data':7,17,49,69,153,158,162,170,190 'defin':146 'describ':45 'detail':165 'document':166 'e.g':64 'eip155':35,94 'enabl':24 'endpoint':25,52,86,171 'erudit':41 'eruditepay':124 'exact':184 'exampl':148 'facilit':121,135 'field':185 'fincen':198 'fincen-regist':197 'format':72 'found':173 'id':202 'inform':30 'intellig':42,50 'json':59,71 'latest':3,13,28 'latest block' 'latest-block' 'llc':43 'loos':145 'micropay':10,20 'msb':200 'non':206 'non-custodi':205 'object':163 'on-chain data' 'oper':39,204 'option':90 'output':149 'path':178 'payment':73,89,116,140 'per':77 'per-cal':76 'popul':160 'post':55 'presum':159 'protocol':82 'provid':47,175,194 'real-time-data' 'regist':199 'request':56 'requir':75 'respons':142 'retriev':1,11 'return':26,67,179,186 'schema':143 'settlement':119 'show':150 'specif':169 'specifi':61 'success':151 'support':127 'tron':106,107 'tron-payment' 'true':152 'two':88 'unit':100,113 'unknown':192 'usd':102,115 'usdc':91 'usdc-payment' 'usdt':104 'usdt-payment' 'use':131 'verif':117 'version':83 'via':8,18,79 'x402':9,19,23,81 'x402-enabled':22 'x402-payment'","prices":[{"id":"87b0a585-5a8d-4ec1-b9c2-761caf1a41f7","listingId":"67991b8d-6d70-4b03-aeee-0d45f02a3880","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":"1000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t","extra":{"name":"TronTransferAuthorization","version":"1","wrapper":"THGkLBrLY1G5VovZjjK1jP9upyxRdMNL3b"},"payTo":"TSevuRZFjpckeMSSDhQFoiAkPCkckuE5TP","amount":"1000","scheme":"exact","network":"tron:728126428","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:35.707Z"}],"sources":[{"listingId":"67991b8d-6d70-4b03-aeee-0d45f02a3880","source":"x402_bazaar","sourceId":"https://bridge.eruditepay.com/v1/base/block/latest","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:35.707Z","lastSeenAt":"2026-04-22T05:32:27.685Z"}],"details":{"listingId":"67991b8d-6d70-4b03-aeee-0d45f02a3880","quickStartSnippet":"curl -X POST https://bridge.eruditepay.com/v1/base/block/latest \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"chain\": \"base\"}'","exampleRequest":{"chain":"base"},"exampleResponse":{"data":{},"success":true},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint is operated by Erudite Intelligence LLC","source_url":"https://bridge.eruditepay.com"},{"claim":"Payment accepts USDC on Base (eip155:8453) at 10,000 base units and USDT on Tron at 10,000 base units","source_url":"https://bridge.eruditepay.com/v1/base/block/latest"},{"claim":"EruditePay Bridge supports 20 blockchains","source_url":"https://bridge.eruditepay.com"},{"claim":"FinCEN MSB registered with BSA ID 31000324258137","source_url":"https://bridge.eruditepay.com"},{"claim":"Settlement fee is 0.5% per successful settlement, verification is free","source_url":"https://bridge.eruditepay.com"},{"claim":"USDC uses 6 decimals, so 10000 base units = $0.01","source_url":"https://bridge.eruditepay.com"}],"useCases":["Fetching the latest Base blockchain block for monitoring or analytics","Integrating real-time Base block data into trading bots or dashboards","Verifying on-chain activity by querying the most recent block","Building blockchain indexers that need current block height"],"bestFor":["Agents needing current Base blockchain block data on demand","Applications requiring pay-per-call blockchain data without subscriptions","Developers integrating x402 micropayments for crypto data access"],"notFor":["Historical block range queries or bulk data export (only returns latest block)","Non-Base chains (this specific endpoint is scoped to Base)","Users who need detailed documentation before integrating (docs are sparse)"],"kindDetails":{},"updatedAt":"2026-04-22T01:41:32.086Z"}}