Mar 12, 2024 · Have you generated an access token and included it in the header so that Canvas knows who you are? All REST API requests require authentication and authorization.

Jun 24, 2025 · Why is the datatype for the answer.id number (without quotes) for true_false_question and string (with quotes) for short_answer_question and …

Jun 16, 2025 · @bressler1995 Since you're already logged in (or in your case, masquerading as a student), you're authenticated, and your authentication token and other session data (e.g., …

I just wrote a blog post Canvas Data API Authentication that explains in excruciatingly painful detail how to create the HMAC signature for the API calls. There is working code for …

Oct 21, 2024 · Hey Sean, Thanks for the reply. I'm able to hide the element using CSS, but just noticed that the no-user class is not on that element so the only way to hide it was globally, in …

[ARCHIVED] Quickstart server says "Invalid Authenticity token" - clean DB and browser does not help

May 10, 2018 · Yeah, that was a typo. I've checked and double checked all headers, added and removed content type declarations, even used spaced over tabs. I was able to post using …

Nov 1, 2021 · I'm trying to write a script in Airtable to search for submitted assignments in my Canvas class and update my data in Airtable. I'm testing - 494827

# set the authentication header self.header = {'Authorization': f'Bearer {cfg.canvas_token}'} After all of the archiving is done, the final act of the script is to ensure all Blueprint course …

Mar 28, 2025 · Hello, I am instructor, Since February I am having this message in all of my courses when I try to link the final evidence to eLumen, LTI authentication failed. Invalid …