The official HTML/CSS to Image Go client is now available for Go 1.21+. It provides typed requests and responses for HTML/CSS images, URL screenshots, and templates, plus helpers for Google Fonts, PDF options, batches, image deletion, resizing and cropping, and signed URLs.
Install it with go get github.com/htmlcsstoimage/go-client. See the Go examples, client repository, and package documentation on pkg.go.dev.