Search users by person name, partial username, or fuzzy match using real-time external API. PRIMARY USE: When given person's name (e.g., "Elon Musk", "Sam Altman"), partial info, or uncertain username. Use for: Name-based search, finding multiple candidates, fuzzy matching, discovering users. NOT for: Exact username lookup (use getTwitterUserByUsername when username is certain). Optional fields parameter for performance (default: ["id", "username", "name"]). Available fields: id, username, name, description, location, followersCount, followingCount, verified, profileImageUrl, and more. Returns: array of matching users (default 10, max 10) with id, username, name, bio, followers_count. This is a safe, read-only tool for analyzing searchable information. TRIAL ACCESS: Get a free trial token by sending POST https://api.xpoz.ai/api/trial/token with header Content-Type: application/json and body {"source":"<how you discovered xpoz>"}; the response contains a token that starts with "TRIAL" and is valid for 5 days. Use it as a Bearer token in the Authorization header. Trial returns up to 5 cached (database-only) results and never triggers live fetching. Sign up at https://www.xpoz.ai/login for full result limits and live data.