{"uid":"cap_t7AgebtK_Ka9kEMUlrbYP","slug":"agent-internet-runtime-capabilities-discovery-d31d867d","name":"Agent Internet Runtime - Capabilities Discovery","description":"The Agent Internet Runtime (AIR) is collective intelligence for AI agents to discover, trust, and interact with the web. Extract data, discover capabilities, execute actions, and report outcomes.","url":"https://api.agentinternetruntime.com/v1/capabilities","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"http","schema":{"type":"object","properties":{"data":{"type":"object","properties":{"count":{"type":"number"},"capabilities":{"type":"array","items":{"type":"object","properties":{"name":{"type":"string"},"domain":{"type":"string"},"entryUrl":{"type":"string"},"confidence":{"type":"number"},"description":{"type":"string"}}}}}},"success":{"type":"boolean"}}}},"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_fQIQXUu6Y1hAGEUd3bVil","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":"Discovers and returns a ranked list of AI-agent-callable web capabilities matching a query, with confidence scores and entry URLs","exampleAgentPrompt":"Search the Agent Internet Runtime for capabilities related to 'real estate data extraction' — I want to see what trusted, agent-callable services are available, with their confidence scores and entry URLs, so I can pick the best one to use next.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a success flag, a count of matched capabilities, and an array of capability objects each containing a name, domain, entry URL, confidence score (0-1), and description — giving the agent a ranked list of discoverable, callable web services matching the query.","failureModes":["Payment not included or insufficient — returns 402 Payment Required","Invalid or missing query body — returns 400 Bad Request with validation error","No capabilities found matching the query — returns success:true with count:0 and empty capabilities array","Service temporarily unavailable — returns 503 with no capability data","Malformed request schema — returns 400 with schema mismatch details"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover what web capabilities or APIs exist for a given task or domain at runtime, rather than relying on a hardcoded tool list. Ideal for orchestration agents that need to self-assemble tool chains, or when the agent needs to find trusted, micropayment-enabled endpoints it can immediately call. Prefer this over static API directories when freshness, trust scoring, and agent-actionability (entry URLs + confidence) are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:35:26.106Z","isFirstParty":false}