struggling with our web-app's developer resources, any tips?

hey everyone, so we've been trying to get more users for our new web-app, like we talked about before. it's been a bit of a grind, but we're slowly getting some sign-ups.

the problem we're hitting now is that a few of our early adopters, especially those who want to integrate with our API or build on top of our platform, are getting really stuck. their asking a lot of basic questions that we thought our docs covered, but clearly not well enough.

we tried putting together some developer resources on a Notion page and even a simple static site, but it seems super confusing for them. people keep dropping off when they try to follow our setup guides.

for example, we're seeing issues where they can't even get the initial API call right, even with our 'quick start' guide. it's like they're hitting this wall:

Error: 401 Unauthorized
    at XMLHttpRequest.onreadystatechange (app.js:123:45)
    at Object.dispatch (jquery.min.js:2:12345)
    at r.handle (jquery.min.js:2:54321)

what's the best way to structure and present developer documentation so new users can actually understand and use them without getting totally lost? especially for folks who aren't super experienced?