{"endpoints":{"/fill-pdf":"POST - Fill PDF form fields (JSON with pdf_base64 and field_mappings)","/get-pdf-fields":"POST - Extract PDF form field information (JSON with pdf_base64)","/health":"GET - Health check","/parse":"POST - Parse PDF (multipart/form-data with \"file\" field)"},"pdf_engine":"pikepdf (signature-field preserving)","service":"Docling PDF Parser API","version":"2.1"}