Currently we supports JPEG and PNG compression formats. You can specify the format and the compression level.
Using different compression you can deliver the best quality considering the client’s bandwidth.
Here is an image with compression levels of 5, 20 and 80.
https://res.inteliver.com/media/v1/cloudname/resource.jpeg
https://res.inteliver.com/media/v1/cloudname/i_o_format_jpg_80/resource.jpeg
https://res.inteliver.com/media/v1/cloudname/i_o_format_jpg_20/resource.jpeg
https://res.inteliver.com/media/v1/cloudname/i_o_format_jpg_5/resource.jpeg
you can also refer to API reference section for complete list of args.