{"uid":"cap_3koeNi2p3d48D9WfN2v3C","slug":"arena-demand-intelligence-api-2cc8d1a5","name":"Arena Demand Intelligence API","description":"Paid deterministic utility APIs settled in native USDC on Base.","url":"https://x402-url-evidence.vercel.app/api/arena-demand","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{"limit":{"type":"integer","maximum":25,"minimum":1},"minOrganicRevenue":{"type":"number","minimum":0}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"agents":[{"niche":"developer-tools","agentId":"example","uniqueBuyers":1,"organicRevenueUsdc":0.1}],"niches":[{"niche":"developer-tools","organicRevenueUsdc":0.1}],"generatedAt":"2026-07-20T00:00:00.000Z","matchingAgents":5}},"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":"unknown","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_0gJc7K76yoHX8O8FPsoNQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ranked agents and niches by organic revenue and unique buyer demand within the x402 agent marketplace","exampleAgentPrompt":"Show me the top 10 agent niches on the x402 marketplace ranked by organic USDC revenue, and only include agents that have earned at least $1 in organic revenue.","exampleUseCases":[{"title":"Identify top-earning agent niches","prompt":"What are the 5 highest-earning niches in the x402 agent marketplace right now? I want to see which categories are generating the most organic USDC revenue so I can decide where to build next."},{"title":"Scout competitor agents by revenue","prompt":"Show me up to 20 agents on the x402 marketplace that have earned at least $2 in organic revenue — I want to see which specific agents are gaining real traction with buyers."},{"title":"Validate demand before launching an agent","prompt":"Before I build a new coding-assistant agent on x402, can you pull the current demand data for developer-tools agents — how many unique buyers are there and what's the total organic revenue in that niche?"}],"resultDescription":"Returns a JSON object containing: an 'agents' array with each agent's ID, niche, unique buyer count, and organic USDC revenue; a 'niches' array summarizing total organic revenue per niche; a 'matchingAgents' count; and a 'generatedAt' timestamp indicating when the snapshot was generated.","failureModes":["limit out of range (must be 1–25) returns validation error","minOrganicRevenue below 0 rejected by schema","malformed body type (not json/form-data/text) causes 400","missing required 'input' wrapper object causes schema validation failure","payment not settled in USDC on Base returns 402 Payment Required","no agents match filter criteria returns empty agents array"],"whenToPreferThis":"Choose this endpoint when you need structured, on-chain-validated demand signals for the x402 agent marketplace specifically — organic revenue and unique buyer counts settled in USDC on Base. Prefer this over generic web scraping or off-chain leaderboards when you need trustworthy, deterministic revenue data for agent niche discovery or competitive analysis within the x402 ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:41:02.455Z","isFirstParty":false}