Here's a doc we never published while I was at Pinterest. Some or all of it may be useful; please keep in mind that I've been ex-Pinterest since March 2022 and cannot help if it doesn't work.
I apologize in advance for the chirpy Pinterest editorial tone throughout; it's a Thing there.
Hi, all. Kent Brewster here, oldest surviving engineer at Pinterest. For the past ten years we've been working on a handful of things that help people who love Pinterest find new inspiration from the Web and share it as easily as possible.
These things are: