{"uid":"cap_Pna5yPsfPyfl3XlQYHHng","slug":"three-ws-market-categories-600c8ebc","name":"three.ws Market Categories","description":"Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.","url":"https://three.ws/api/x402/market-categories?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"categories":[{"id":"artificial-intelligence","name":"Artificial Intelligence","market_cap":48200000000,"volume_24h":3900000000,"market_cap_change_24h":2.1}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XWZJvKbKY3wcuyFK2x7La","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of market categories with market cap, 24h volume, and price change data for each category.","exampleAgentPrompt":"Can you pull up all the market categories from the three.ws agent marketplace, including their market caps and 24-hour volume and price change stats?","exampleUseCases":[{"title":"Identify top marketplace categories by volume","prompt":"What are the biggest market categories on the three.ws marketplace right now, ranked by 24-hour trading volume?"},{"title":"Track market cap shifts across categories","prompt":"Check the three.ws market categories and tell me which ones had the largest market cap change in the last 24 hours."},{"title":"Discover available agent market segments","prompt":"List all the market categories available on three.ws so I can see what segments the AI agent marketplace covers."}],"resultDescription":"A JSON object containing an array of market category entries, each with a unique category ID (e.g. 'artificial-intelligence'), human-readable name, total market cap in USD, 24h trading volume in USD, and percentage market cap change over the past 24 hours.","failureModes":["Invalid or unsupported 'properties' filter value returns empty or error response","Payment not included or insufficient USDC triggers 402 Payment Required","Service unavailable returns 5xx error","Malformed request body returns 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you need a structured overview of market categories available in the three.ws agent economy, including financial metrics like market cap and 24h volume. Prefer this over generic crypto market data APIs when specifically researching the three.ws marketplace segmentation or building dashboards for the agent-layer economy.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:46:13.421Z","isFirstParty":false,"canonicalSlug":"three-ws-market-categories-600c8ebc"}