{"id":"bdeefa8b-59d8-4698-acdc-5ad9eee834c4","shortId":"LXEqSE","kind":"x402","title":"Retrieve total cryptocurrency market capitalization via x402 micropayment on Base or Tron.","tagline":"Retrieve total cryptocurrency market capitalization via x402 micropayment on Base or Tron.","description":"This endpoint returns total crypto market capitalization data, payable per-call via the x402 protocol. It accepts a POST request with a JSON body containing a `token` field (token address or symbol) and returns market-cap intelligence in JSON format. The endpoint is operated by Erudite Intelligence LLC.\n\nPayment is required at $0.01 per call (10,000 base units of USDC on Base or USDT on Tron, both 6-decimal stablecoins). The x402 v2 challenge is live and well-formed, with two accepted payment options: USDC on Base (eip155:8453) settled via the Coinbase CDP facilitator, or USDT on Tron (tron:728126428). The maximum payment timeout is 300 seconds.\n\nDocumentation is sparse — the provider's landing page describes the EruditePay Bridge facilitator infrastructure but does not document the `/v1/market/total-mcap` data endpoint specifically. The example output in the Bazaar schema extension is a generic `{\"success\": true, \"data\": {}}` stub, so the exact shape of the returned market-cap data is unknown. No OpenAPI spec or dedicated docs page was found for this endpoint.","tags":[],"capabilities":["crypto-market-data","total-market-cap","x402-payment","usdc-base","usdt-tron","per-call-micropayment","json-api"],"categories":["crypto","market-data"],"synonyms":["total market capitalization","crypto market cap","market cap API","cryptocurrency market size","global crypto market cap","total mcap"],"warnings":["No dedicated documentation found for /v1/market/total-mcap — /docs returns 404","Example output in Bazaar schema is a stub with empty data object; actual response shape is unknown","The token input parameter semantics are unclear — it may filter by token or may be ignored for total market cap"],"endpointUrl":"https://bridge.eruditepay.com/v1/market/total-mcap","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x6961b88476a9b89C4ed97A4aF4D190754d5e70A1","amount":"1000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The x402 challenge is live and well-structured with clear pricing ($0.01/call), but there is no dedicated documentation for this endpoint, the example response is a generic stub with an empty data object, and no OpenAPI spec exists. The actual response schema and data semantics must be 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'0.01':79 '000':83 '10':82 '300':135 '6':95 '728126428':129 '8453':117 'accept':42,110 'address':55 'base':10,22,84,89,115 'bazaar':165 'bodi':49 'bridg':148 'call':36,81 'cap':62,184 'capit':5,17,31 'cdp':122 'challeng':101 'coinbas':121 'contain':50 'crypto':29 'crypto market cap' 'crypto-market-data' 'cryptocurr':3,15 'cryptocurrency market size' 'data':32,157,173,185 'decim':96 'dedic':192 'describ':145 'doc':193 'document':137,154 'eip155':116 'endpoint':26,68,158,199 'erudit':72 'eruditepay':147 'exact':177 'exampl':161 'extens':167 'facilit':123,149 'field':53 'form':107 'format':66 'found':196 'generic':170 'global crypto market cap' 'infrastructur':150 'intellig':63,73 'json':48,65 'json-api' 'land':143 'live':103 'llc':74 'market':4,16,30,61,183 'market cap API' 'market-cap':60,182 'maximum':131 'micropay':8,20 'openapi':189 'oper':70 'option':112 'output':162 'page':144,194 'payabl':33 'payment':75,111,132 'per':35,80 'per-cal':34 'per-call-micropayment' 'post':44 'protocol':40 'provid':141 'request':45 'requir':77 'retriev':1,13 'return':27,59,181 'schema':166 'second':136 'settl':118 'shape':178 'spars':139 'spec':190 'specif':159 'stablecoin':97 'stub':174 'success':171 'symbol':57 'timeout':133 'token':52,54 'total':2,14,28 'total market capitalization' 'total mcap' 'total-market-cap' 'tron':12,24,93,127,128 'true':172 'two':109 'unit':85 'unknown':187 'usdc':87,113 'usdc-base' 'usdt':91,125 'usdt-tron' 'v2':100 'via':6,18,37,119 'well':106 'well-form':105 'x402':7,19,39,99 'x402-payment'","prices":[{"id":"743d488a-cf17-46a0-bf54-849938817c01","listingId":"bdeefa8b-59d8-4698-acdc-5ad9eee834c4","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":"1000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:36.486Z"}],"sources":[{"listingId":"bdeefa8b-59d8-4698-acdc-5ad9eee834c4","source":"x402_bazaar","sourceId":"https://bridge.eruditepay.com/v1/market/total-mcap","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:36.486Z","lastSeenAt":"2026-04-22T05:32:28.583Z"}],"details":{"listingId":"bdeefa8b-59d8-4698-acdc-5ad9eee834c4","quickStartSnippet":"curl -X POST https://bridge.eruditepay.com/v1/market/total-mcap \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"token\": \"0x0000000000000000000000000000000000000000\"}'","exampleRequest":{"token":"0x0000000000000000000000000000000000000000"},"exampleResponse":{"data":{},"success":true},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns x402 v2 challenge with $0.01 (10000 base units USDC/USDT) per call","source_url":"https://bridge.eruditepay.com/v1/market/total-mcap"},{"claim":"Operated by Erudite Intelligence LLC, FinCEN MSB registered","source_url":"https://bridge.eruditepay.com"},{"claim":"Accepts USDC on Base (eip155:8453) and USDT on Tron (tron:728126428)","source_url":"https://bridge.eruditepay.com/v1/market/total-mcap"},{"claim":"Coinbase CDP facilitator used for Base settlement","source_url":"https://bridge.eruditepay.com"}],"useCases":["Querying real-time total crypto market capitalization for dashboards or analytics","Feeding market-cap data into trading bots or portfolio trackers","Enriching financial reports with on-demand crypto market size data"],"bestFor":["Agents or apps that need on-demand crypto market cap data with per-call pricing","Developers already using x402-compatible wallets on Base or Tron","Lightweight market intelligence queries without subscription commitments"],"notFor":["High-frequency bulk data ingestion where per-call fees add up quickly","Users who need detailed per-token market cap breakdowns (response schema unclear)","Anyone without an x402-compatible payment client or USDC/USDT wallet"],"kindDetails":{},"updatedAt":"2026-04-22T01:55:08.713Z"}}