It’s possible to upload any OTF, WOFF, or WOFF2 web-safe font to Bannerbear, which will then become available in your Template Editor. You can upload up to 500 custom fonts.
To upload a font:
Once that’s done, your font should be available for use in the editor via the Custom Fonts drop-down menu.
Note: If you're a member of a project, the fonts uploaded to your profile will not show on the parent project. The project owner must upload the custom fonts you wish to use.