API's with OctoPrint

[technocraft]

I am new to using octoprint and programming. I am looking to obtain certain values from octoprint such as the time left to print to display in some UI and do some commands based on the time left to print. The software I'm using to do the UI requires me to import an API Script. I don't know how to do that.

I have already done research on how I will be able to accomplish this and it requires me to use API. All I have access to is the API Key from the octoprint web interface and the API documentation. I went through the documentation but I don't know how to use the code provided there.

OctoPrint version - 1.3.12
OctoPi version - 0.16.0
Raspberry Pi 3B+
Windows 10

[jneilliii]

It will be similar to this.

Uploading file to OctoPi through the API using javascript

Since I keep getting requests on this subject, here is a quick-and-dirty HTML/JavaScript (mostly) client-side attempt at pushing a file to OctoPrint without needing NodeJS or any modules for that. For my browser at least, it won't allow cross-origin requests if I'm trying to use the file protocol; it must be http or https. So the page below must be served somehow. I've used serve-static as I recall and installed this globally on my computer using npm. The CLI is then called serve and you'd run…