AI Image Upscale

POST/api/v1/tools/image-upscale30 credits per callimageupscaleenlargeaiesrgan

Downloads a PNG, JPEG, WebP or BMP from a public URL and upscales it on the media worker. Factor 2 is the default; factor 4 costs the same credits but takes longer and rejects larger source files.

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Why 30 credits?

Real-ESRGAN is the heaviest synchronous job in the catalogue. One call can occupy the worker for tens of seconds.

Any HTTP client works. Replace the key with one from your dashboard.

bash

curl -X POST https://toolkitbackend-j69m.onrender.com/api/v1/tools/image-upscale \
  -H "Authorization: Bearer tb_live_<your_api_key>" \
  -H "Content-Type: application/json" \
  -d '{
  "fileUrl": "https://example.com/photo.jpg",
  "factor": 2
}'

Input

Field	Type	Required	Default	Description
`fileUrl`	string	required	-	Publicly reachable URL of the image.
`factor`	integer	optional	2	Upscale factor. 2 or 4. Defaults to 2.

Output

Field	Type	Description
`fileBase64`	string	Upscaled image, base64-encoded, without a data URI prefix.
`mimeType`	string	Output image MIME type.
`fileName`	string	Suggested download name.
`sizeBytes`	integer	Size of the decoded image.
`factor`	integer	The factor that was applied.

Try it

Sends a real POST /api/v1/tools/image-upscale from your browser and charges 30 credits to your account.