{"uid":"cap_2TF1Zql4vQENwcw0tfflR","slug":"apollo-sentiment-analysis-api-87476270","name":"Apollo Sentiment Analysis API","description":"Apollo Intelligence Network: 54 API endpoints for AI agents — data feeds, proxy, OSINT, DeFi, crypto, Etherscan, weather, ML/NLP. Free trial: 5 requests/day. Pay-per-request via x402 or API key.","url":"https://apolloai.team/api/sentiment","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"topics":{"x402":{"trend":"stable","volume":"medium","sentiment":0.85},"agent_economy":{"trend":"bullish","volume":"high","sentiment":0.72}},"generated_at":"2026-02-06T12:00:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mA0G0RI3IOXXBwTInUxcm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time sentiment scores, trend direction, and volume signals for topics relevant to the agentic economy and crypto/Web3 space","exampleAgentPrompt":"What's the current sentiment and trend direction for 'agent_economy' right now — is it bullish, bearish, or stable, and how high is the volume?","exampleUseCases":[{"title":"DeFi sentiment check today","prompt":"What's the current sentiment around DeFi right now — is the community feeling bullish or bearish, and is there a lot of chatter about it?"},{"title":"Crypto narrative mood tracker","prompt":"I'm trying to gauge how the market feels about layer-2 scaling solutions today — can you pull the sentiment score, trend direction, and volume signal for that topic?"},{"title":"AI agent economy trend pulse","prompt":"How is the broader AI agent infrastructure narrative trending right now? Is sentiment positive or negative, and is the conversation volume picking up or staying low?"}],"resultDescription":"A JSON object mapping topic names to sentiment objects, each containing a numeric sentiment score (0-1), a trend label (bullish/bearish/stable), and a volume label (low/medium/high), plus a generated_at timestamp indicating data freshness.","failureModes":["Missing or invalid topic parameter returns an error or empty topics map","Rate limit exceeded beyond 5 free requests/day returns 402 or payment required error","Unknown or unsupported topic returns empty or null entry in topics map","Network timeout returns no response","Stale data if the feed has not refreshed recently"],"whenToPreferThis":"Choose this endpoint when you need rapid, pre-computed sentiment scores for crypto, Web3, or agentic economy topics without building your own NLP pipeline. Prefer it over general-purpose NLP APIs when your domain is specifically DeFi, AI agents, or blockchain narratives, and you want trend direction and volume alongside raw sentiment scores.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T09:26:33.193Z","isFirstParty":false}