{"name":"x-topic-pulse","description":"Takes the pulse of a topic on X (Twitter): tweet search, sentiment, and top voices in one call. Composite: one call runs tweet-search + twitter-sentiment in parallel over the same topic and merges recent tweets, aggregate sentiment, and the accounts driving engagement (top_voices ranked by likes, retweets, replies). One settlement instead of stitching three X calls. Use it for X topic intelligence or social listening for agents.","price":"$0.05","method":"POST","input_schema":{"properties":{"topic":{"type":"string","description":"Topic, phrase, or X search query. 1-300 chars."},"language":{"type":"string","description":"Two-letter language code. Default 'en'."},"max_results":{"type":"number","description":"Tweets to return, 5-50. Default 20."}},"required":["topic"]},"input_example":{"topic":"agent payments","language":"en","max_results":20},"output_example":{"topic":"agent payments","tweet_count":20,"tweets":[{"text":"…","author":"example","likes":12}],"sentiment":{"overall":"positive","score":0.4},"top_voices":[{"author":"example","tweets":3,"engagement":88}],"composed_of":["tweet-search","twitter-sentiment"],"components":[{"name":"tweet-search","ok":true,"ms":950}]},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}