Nitro avatar-imaging service (@pixi/node, headless — no browser) GET /avatarimage figure figure string (required) action comma-separated, e.g. wlk,wav,drk=1 gesture std | agr | sad | sml | srp (default std) direction 0-7 (default 2) head_direction 0-7 (default 2) headonly 0 | 1 (default 0) dance 0-4 (default 0) effect effect id (default 0) size s | n | l (default n) frame_num still-frame index (default 0) img_format png | apng | auto (default auto) text speech-bubble text above the avatar text_color bubble text colour, hex (default 000000) bubble_color bubble background colour, hex (default ffffff) Example: /avatarimage?figure=hd-180-1.ch-255-66.lg-280-110.sh-305-62&action=wlk,wav&direction=2&size=l /avatarimage?figure=hd-180-1.ch-255-66&text=Hello!&bubble_color=2266cc&text_color=ffffff GET /Generate Browser UI to build a figure and copy/download the image.