Img2img api issue

[Ghat0tkach]

Im using the following request
{
"prompt": "a beautiful rose",
"negative_prompt": "blur , deformed , human hands , glitched",
"styles": [
"string"
],
"seed": 643247234324,
"subseed": -1,
"subseed_strength": 0,
"seed_resize_from_h": -1,
"seed_resize_from_w": -1,
"sampler_name": "DPM++ 2M Karras",
"batch_size": 1,
"n_iter": 1,
"steps": 50,
"cfg_scale": 7,
"width": 512,
"height": 512,
"restore_faces": false,
"tiling": true,
"do_not_save_samples": false,
"do_not_save_grid": false,
"eta": 0,
"denoising_strength": 0.75,
"s_min_uncond": 0,
"s_churn": 0,
"s_tmax": 0,
"s_tmin": 0,
"s_noise": 0,
"override_settings": {},
"override_settings_restore_afterwards": true,
"refiner_checkpoint": null,
"refiner_switch_at": null,
"disable_extra_networks": false,
"comments": {},
"init_images": [
"mask"
],
"resize_mode": 2,
"image_cfg_scale": 0,
"mask": "mask",
"mask_blur_x": 4,
"mask_blur_y": 4,
"mask_blur": 10,
"inpainting_fill": 0,
"inpaint_full_res": false,
"inpaint_full_res_padding": 0,
"inpainting_mask_invert": 0,
"initial_noise_multiplier": 0,
"latent_mask": null,
"sampler_index": "DPM++ 2M Karras",
"include_init_images": true,
"script_name": null,
"script_args": [],
"send_images": true,
"save_images": false,
"alwayson_scripts": {}
}

Original Image	Masked Image	Result

Can someone please answer , what Im doing wrong?