{"uid":"cap_VXQffd1LvdHQBFhCtjY0F","slug":"x402-data-api-market-categories-faf5943d","name":"x402 Data API – Market Categories","description":"Data about the x402 market: the CDP Bazaar's listings, sellers, prices and categories, new listings and price changes from snapshots every 6 hours, uptime we measure for every paid listing, and x402 spending of any wallet and revenue of any seller on Base.","url":"https://data.kagurazaka.dev/v1/market/categories?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"results":[{"category":"crypto & on-chain","listings":12000,"calls_30d":500000,"median_price_usd":0.003,"listings_with_5_or_more_payers":900}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YPtDDixP1IkLduphrDRrl","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns x402 API marketplace categories with listing counts, call volumes, median prices, and well-paid listing stats for each category.","exampleAgentPrompt":"Can you pull up a breakdown of all the x402 API marketplace categories — I want to see how many listings each one has, their call volumes, and the median prices?","exampleUseCases":[{"title":"Explore x402 market by category","prompt":"Give me a full overview of all the x402 API categories — how many APIs are in each, what their call volumes look like over the last 30 days, and what the typical price is."},{"title":"Find most active API category","prompt":"Which category on the x402 marketplace has the highest number of calls in the last 30 days, and how many well-paid listings does it have?"},{"title":"Research AI API market pricing","prompt":"I'm building an LLM-based product and want to price it competitively — what's the median price for APIs listed under the LLM and AI category on the x402 marketplace?"}],"resultDescription":"A JSON array of category objects, each containing the category name (e.g. 'crypto & on-chain', 'LLM and AI'), total listings count, 30-day call count, median price in USD, and the count of listings with 5 or more distinct payers.","failureModes":["Empty or missing results if the market data index has not been populated","HTTP 402 if the $0.002 USDC payment is not included in the request","HTTP 500 if the backend data aggregation service is unavailable","Stale data if the index has not been refreshed recently"],"whenToPreferThis":"Use this endpoint when you need a high-level categorical overview of the entire x402 API marketplace — e.g. to understand market structure, compare activity across domains, or identify which categories have the most listings and call volume. Prefer sibling endpoints for per-API rankings, price statistics for a specific capability, or seller/origin-level breakdowns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:38:00.624Z","isFirstParty":false,"canonicalSlug":"x402-data-api-market-categories-faf5943d"}