{"id":"d4237646-9326-439a-8a8f-8ab03f2ecabf","shortId":"VrwUTN","kind":"x402","title":"Monitor stablecoin flows across blockchains via x402-paid POST endpoint","tagline":"Monitor stablecoin flows across blockchains via x402-paid POST endpoint","description":"This endpoint at bridge.eruditepay.com provides crypto data intelligence focused on stablecoin flow monitoring. It accepts a POST request with a JSON body specifying a token address (or symbol) and a blockchain network, and returns flow data for that token/chain combination. The endpoint is gated by the x402 protocol (version 2) and accepts payment on two networks: USDC on Base (eip155:8453) at $0.01 per call, or USDT on Tron (tron:728126428) at $0.01 per call. The facilitator is Coinbase CDP for the Base option. The provider is Erudite Intelligence LLC, a FinCEN MSB-registered entity.\n\nThe request schema is straightforward: a JSON object with `token` (token address or symbol) and `chain` (blockchain network name). The response returns a JSON object with a `success` boolean and a `data` object, though the example response shows an empty data object, so the exact structure of the returned flow data is not documented. The endpoint description in the x402 challenge is simply \"Crypto data intelligence,\" and no further documentation was found — the /docs path returns a 404.\n\nThe endpoint is live and returns a valid x402 v2 challenge on POST. However, documentation is minimal: there is no OpenAPI spec, no detailed description of what \"stablecoin flows\" data actually contains, and the example output is an empty object. Users should expect to experiment to understand the response payload.","tags":[],"capabilities":["stablecoin-monitoring","cross-chain-analytics","token-flow-tracking","x402-payment","multi-network-settlement","crypto-data-intelligence"],"categories":["crypto","analytics","blockchain"],"synonyms":["stablecoin tracker","token flow monitor","USDC flow analysis","USDT flow tracking","cross-chain stablecoin data","blockchain flow intelligence","stablecoin analytics API"],"warnings":["No documentation available — /docs returns 404","Response data structure is undocumented; the example output contains an empty data object","The description 'Crypto data intelligence' is vague and does not specify what stablecoin flow metrics are returned","No OpenAPI specification provided"],"endpointUrl":"https://bridge.eruditepay.com/v1/cross/monitor/stablecoin-flows","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 with a valid x402 v2 challenge and has a basic input schema, but documentation is extremely sparse. The response data structure is undocumented (example shows empty object), there is no OpenAPI spec, and the /docs path returns 404. Pricing is clear ($0.01/call) but the actual value of the returned data cannot be 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'0.01':85,95 '2':72 '404':196 '728126428':93 '8453':83 'USDC flow analysis' 'USDT flow tracking' 'accept':37,74 'across':4,15 'actual':227 'address':48,130 'base':81,105 'blockchain':5,16,53,135 'blockchain flow intelligence' 'bodi':44 'boolean':147 'bridge.eruditepay.com':26 'call':87,97 'cdp':102 'chain':134 'challeng':179,207 'coinbas':101 'combin':62 'contain':228 'cross-chain stablecoin data' 'cross-chain-analytics' 'crypto':28,182 'crypto-data-intelligence' 'data':29,58,150,159,169,183,226 'descript':175,221 'detail':220 'document':172,188,211 'eip155':82 'empti':158,235 'endpoint':11,22,24,64,174,198 'entiti':118 'erudit':110 'exact':163 'exampl':154,231 'expect':239 'experi':241 'facilit':99 'fincen':114 'flow':3,14,34,57,168,225 'focus':31 'found':190 'gate':66 'howev':210 'intellig':30,111,184 'json':43,125,142 'live':200 'llc':112 'minim':213 'monitor':1,12,35 'msb':116 'msb-regist':115 'multi-network-settlement' 'name':137 'network':54,78,136 'object':126,143,151,160,236 'openapi':217 'option':106 'output':232 'paid':9,20 'path':193 'payload':246 'payment':75 'per':86,96 'post':10,21,39,209 'protocol':70 'provid':27,108 'regist':117 'request':40,120 'respons':139,155,245 'return':56,140,167,194,202 'schema':121 'show':156 'simpli':181 'spec':218 'specifi':45 'stablecoin':2,13,33,224 'stablecoin analytics API' 'stablecoin tracker' 'stablecoin-monitoring' 'straightforward':123 'structur':164 'success':146 'symbol':50,132 'though':152 'token':47,128,129 'token flow monitor' 'token-flow-tracking' 'token/chain':61 'tron':91,92 'two':77 'understand':243 'usdc':79 'usdt':89 'user':237 'v2':206 'valid':204 'version':71 'via':6,17 'x402':8,19,69,178,205 'x402-paid':7,18 'x402-payment'","prices":[{"id":"7d3c33a5-79b5-4c61-85d4-1d7f0c1b5b63","listingId":"d4237646-9326-439a-8a8f-8ab03f2ecabf","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":"2026-04-21T18:32:36.319Z"}],"sources":[{"listingId":"d4237646-9326-439a-8a8f-8ab03f2ecabf","source":"x402_bazaar","sourceId":"https://bridge.eruditepay.com/v1/cross/monitor/stablecoin-flows","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:36.319Z","lastSeenAt":"2026-04-22T11:33:20.278Z"}],"details":{"listingId":"d4237646-9326-439a-8a8f-8ab03f2ecabf","quickStartSnippet":"curl -X POST https://bridge.eruditepay.com/v1/cross/monitor/stablecoin-flows \\\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":"Provider is Erudite Intelligence LLC, FinCEN MSB registered with BSA ID 31000324258137","source_url":"https://bridge.eruditepay.com"},{"claim":"x402 challenge accepts USDC on Base (amount 10000 = $0.01) and USDT on Tron (amount 10000 = $0.01)","source_url":"https://bridge.eruditepay.com/v1/cross/monitor/stablecoin-flows"},{"claim":"Facilitator for Base payments is Coinbase CDP (https://api.cdp.coinbase.com/platform/v2/x402)","source_url":"https://bridge.eruditepay.com/v1/cross/monitor/stablecoin-flows"},{"claim":"Bridge supports 20 blockchains and charges 0.5% per settlement with free verification","source_url":"https://bridge.eruditepay.com"}],"useCases":["Monitoring stablecoin transfer volumes and flows on a specific blockchain","Tracking USDC or USDT movement patterns across chains for compliance or research","Building dashboards that visualize stablecoin liquidity flows","Automated agents gathering on-chain stablecoin intelligence for trading strategies","Compliance monitoring of stablecoin transfers"],"bestFor":["Crypto analysts needing programmatic stablecoin flow data","AI agents performing on-chain research with per-call micropayments","Compliance teams monitoring stablecoin movement across networks"],"notFor":["Users needing detailed historical transaction-level data (response schema is undocumented)","Non-crypto analytics use cases","Users who need free or subscription-based pricing rather than per-call payments"],"kindDetails":{},"updatedAt":"2026-04-22T01:48:38.744Z"}}