{"name":"twitter-user-lookup","description":"Resolves a Twitter or X username to a public profile with a read-only X API v2 lookup; no account mutation. Same backend as x-username, under broad buyer wording. Use it as a Twitter user lookup or public profile resolver.","price":"$0.005","method":"POST","input_schema":{"properties":{"username":{"type":"string","description":"X/Twitter handle, with or without @."}},"required":["username"]},"input_example":{"username":"bankrbot"},"output_example":{"mode":"user","user":{"username":"bankrbot"},"source":"X API v2 user lookup"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}