Local API

pixgamma serve, endpoints, /v1/upscale parameters and response format.

PixGammaUpdated 23 Oct 2026
api

PixGamma serves an HTTP API on the Mac only (default 127.0.0.1:8765) for scripts, websites, apps and other tools. Turn it on in the app (the API cục bộ switch at the bottom left) or run:

pixgamma serve --port 8765

Endpoints

Endpoint Does
GET /health Status and version
GET /v1/models Installed models
POST /v1/analyze Send an image, get Auto's suggested settings
POST /v1/upscale Send an image, get the upscaled image

Images are sent as a binary request body (--data-binary).

curl --data-binary @photo.jpg \
  "http://127.0.0.1:8765/v1/upscale?mode=std&scale=2&format=jpg" -o photo-2x.jpg

/v1/upscale parameters

Parameter Values
mode auto, standard, fidelity, art, lowres, recover
scale or width / height Output size
denoise, sharpen, compression, detail, texture, contrast, dehalo 0–100
face, face_style, face_fidelity Face restoration, realistic or creative, identity strength
creativity, resemblance, prompt Recover
text, color 0 disables text protection, color preservation
device gpu, all, ane, cpu
format, quality png, jpg, tiff, heic; JPEG/HEIC quality

Response

  • By default the image itself, with the JSON report in the X-PixGamma-Report header.
  • Send Accept: application/json to get JSON with the report and a base64 image.
curl -s -H "Accept: application/json" --data-binary @photo.jpg \
  "http://127.0.0.1:8765/v1/upscale?scale=4" | jq '.report.passes, .report.seconds'

The API listens on 127.0.0.1 only and has no authentication; to reach it from other machines, put it behind an authenticating reverse proxy.