ImageKit.io allows you to upload files directly from both the server and client sides. For server-side uploads, private API key authentication is used. For client-side uploads, generate a one-time `token`, `signature`, and `expiration` from your secure backend using private API. [Learn more](/docs/api-reference/upload-file/upload-file#how-to-implement-client-side-file-upload) about how to implement client-side file upload. The [V2 API](/docs/api-reference/upload-file/upload-file-v2) enhances ...
