{"resource":"https://api.posttosource.com/api/x402/extract","method":"POST","x402Version":1,"configured":true,"price":"$0.01","network":"eip155:8453","description":"Convert a Twitter/X, LinkedIn, Medium, Substack, Beehiiv, or public Notion page URL into clean markdown.","bodyType":"json","input":{"url":"https://x.com/example/status/123456789"},"inputSchema":{"properties":{"url":{"type":"string","format":"uri"}},"required":["url"]},"output":{"example":{"markdown":"# Example title\n\nBody text...","title":"Example title","author":"Example Author","wordCount":42,"sourceUrl":"https://x.com/example/status/123456789","platform":"twitter"}},"discovery":"https://api.posttosource.com/.well-known/x402","note":"POST without payment returns the authoritative 402 payment requirements."}