Upload attachment
Beta. This endpoint is in beta. Behavior, parameters, and response shapes may change without notice.
Uploads a single file as a multipart/form-data request and returns its attachment id. Use the returned id in attachmentIds arrays on email-template, sequence-step, and inbox-message endpoints to attach the file to outbound communications.
Authorizations
Authenticate every request with a Bearer token. Pass your Reply API key in the
Authorization header:
Authorization: Bearer <your-api-key>Get your API key from the Reply dashboard: Settings → API Key.
Body
File to upload. Must be non-empty.
Response
File uploaded
Uploaded file attachment usable across email templates, sequence steps, and direct emails.