Set thumbnail

documented

Upload and set a custom video thumbnail.

POST /thumbnails/setThumbnailsno implementation yet0 runs

Input

videoId

Video ID for which to set the thumbnail

e.g., dQw4w9WgXcQ

thumbnail_file

Path to the thumbnail image file (JPEG or PNG, max 2MB)

path/to/thumbnail.jpg

Calls YouTube as you (your API key is your account); keychains.dev holds the credentials.