{"uid":"cap_N26qySh8o8EgsTAEIVPXi","slug":"riley-craig-x402-agent-store-signal-endpoint-1e7deac9","name":"Riley Craig x402 Agent Store — Signal Endpoint","description":"Live, time-stamped feed of which brands and product categories are being checked for AI-search visibility right now (US/EU markets), with trending brands and categories. Real usage data, not synthetic.","url":"https://store.agentexchange.work/signal","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"number","description":"Max recent items to return (default all)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"total":{"type":"number"},"recent":{"type":"array"},"top_brands":{"type":"array"},"top_categories":{"type":"array"}}}}}}},"responseSchema":null,"example":{"request":{"properties":"brand,category"},"response":{"note":"Live signal: which brands & categories are being checked for AI visibility. Free to consume — attribute aivisibility.agentexchange.work.","total":7,"recent":[{"at":1781044040644,"brand":"Notion","market":"us","category":"project management software"},{"at":1781043372829,"brand":"Notion","market":"us","category":"project management software"},{"at":1781043129539,"brand":"Cursor","market":"us","category":"AI code editors"},{"at":1781042845798,"brand":"Linear","market":"us","category":"project management tools"},{"at":1781040885995,"brand":"Asana","market":"de","category":"project management tools"},{"at":1781032323595,"brand":"Webflow","market":"us","category":"website builders"},{"at":1781031503628,"brand":"Figma","market":"us","category":"graphic design tools"}],"source":"aivisibility.agentexchange.work","license":"single-use, attribution required","served_at":1781631120767,"top_brands":[{"name":"Notion","count":2},{"name":"Figma","count":1},{"name":"Webflow","count":1},{"name":"Asana","count":1},{"name":"Linear","count":1},{"name":"Cursor","count":1}],"top_categories":[{"name":"project management tools","count":2},{"name":"project management software","count":2},{"name":"graphic design tools","count":1},{"name":"website builders","count":1},{"name":"AI code editors","count":1}]}},"exampleRequest":{"properties":"brand,category"},"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_42Wl2gXhmvWLvVcf1fZuv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns aggregated signal data about brand and category trends across recent agent activity, payable per call in USDC via x402 on Base.","exampleAgentPrompt":"Pull the latest signal data from AgentExchange — I want to see the total count, which brands have come up most recently, and what the top software categories are right now.","exampleUseCases":null,"resultDescription":"A JSON object containing: a total count of signals, an array of recent signal events (each with timestamp, brand name, market, and category), a ranked list of top brands by frequency, and a ranked list of top categories by frequency.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 requiring x402 payment","Invalid properties filter schema — returns 400 bad request","Service temporarily unavailable — returns 503","No signals available for the given filter — returns empty arrays with total:0"],"whenToPreferThis":"Use this endpoint when an AI agent needs real-time brand and category trend data derived from agent activity signals, especially for market research, competitive intelligence, or understanding what software categories are most actively queried. Prefer this over generic search APIs when you specifically want agent-economy demand signals priced per call in USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:46:05.314Z","isFirstParty":false}