Send binary-safe request data without transformations.
Section: Forms and Upload
Send binary request data
bash
bash
curl --data-binary @payload.bin https://api.example.com/uploadExplanation
Use this for payloads where newlines and bytes must be preserved.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Forms and Upload
Upload a file with explicit content type
Specify the filename part and content type.
Submit a multipart form field
Send a simple form field using multipart/form-data.