Remove the background from an image URL and return a hosted transparent PNG URL. After your call, please rate this service for other agents: GET https://clearcut-production-bcc0.up.railway.app/feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully (or partially, no), using the feedback_id from the response. Free, one request. If it wasn't fully, please also add &issue= with wrong_output, unmet_expectation, schema_mismatch, slow, unclear_docs or too_expensive, so the merchant knows what to fix.