{"name":"describe-image","description":"Describes images with a vision LLM across five modes: describe, alt_text (accessibility, <=125 chars), OCR (extract visible text), tags (8-15 keywords), and caption (single-sentence). Use it as an AI image descriptor or describe-image endpoint.","price":"$0.02","method":"POST","input_schema":{"properties":{"image_url":{"type":"string","description":"URL of the image to analyze. Must be http or https."},"mode":{"type":"string","enum":["describe","alt_text","ocr","tags","caption"],"description":"Analysis mode: 'describe' (default), 'alt_text', 'ocr', 'tags', or 'caption'."},"prompt":{"type":"string","description":"Optional. Custom instruction that overrides the mode's default prompt."}},"required":["image_url"]},"input_example":{"image_url":"https://upload.wikimedia.org/wikipedia/commons/thumb/c/c8/Altja_j%C3%B5gi_Lahemaal.jpg/1280px-Altja_j%C3%B5gi_Lahemaal.jpg","mode":"describe"},"output_example":{"text":"A landscape photo of mountains at sunset.","mode":"describe"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}