{"uid":"cap_O_iggl9IDGf34NNr8xDjk","slug":"nexus-agent-services-streaming-crypto-price-feed-9ce3a1de","name":"NEXUS Agent Services – Streaming Crypto Price Feed","description":"Pay-per-call financial data. Streamable HTTP MCP. x402 USDC on Base. Not financial advice.","url":"https://nexus-agent-xa12.onrender.com/stream/prices","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"symbols":{"type":"string"},"duration":{"type":"integer"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"tick":1,"prices":{"BTC":{"usd":77000,"change_24h":-0.5}},"timestamp":"..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4w0sgOaXXFHyVFhXXbUNJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Streams real-time cryptocurrency price data (USD price + 24h change) for one or more symbols via a pay-per-call HTTP endpoint using x402 USDC micropayments","exampleAgentPrompt":"Stream live prices for BTC and ETH from NEXUS — give me the current USD price and 24-hour change for each, running for 30 seconds.","exampleUseCases":null,"resultDescription":"A streamable HTTP response returning JSON ticks, each containing: a tick counter, a prices map keyed by symbol (e.g. BTC, ETH) with USD price and 24h percentage change, and a timestamp. Costs $0.01 USDC per call paid via x402 on Base.","failureModes":["Payment not provided or rejected (402 Payment Required) — agent must pay 0.01 USDC via x402 on Base before data is returned","Invalid or unrecognized symbol in 'symbols' query param — may return empty prices map or error","Duration parameter out of range — stream may close early or return no ticks","Network timeout or Render.com cold-start delay — connection may drop before first tick","No query params provided — endpoint may return default symbols or an error"],"whenToPreferThis":"Use this endpoint when you need real-time or near-real-time cryptocurrency price data with 24h change, are comfortable paying $0.01 USDC per call via x402 on Base, and want a streamable HTTP response compatible with MCP tooling. Prefer this over REST polling APIs when you need continuous tick-based streaming or when your agent stack already supports x402 micropayment flows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:41:06.152Z","isFirstParty":false}