What causes "Trello Power-Ups Not Working"?

Temporary Trello UI bug after a release Third-party Power-Up service is down or its API times out Expired authorization with the connected service Browser blocking third-party cookies or iframes Power-Up hidden from the board header

How do I fix "Trello Power-Ups Not Working"?

1. Remove and re-add the Power-Up: Open the board's Power-Ups menu in the board header Disable/remove the Power-Up Add it again and refresh the browser page Users report doing both steps in that order fixes it 2. Re-authorize the connected account: Open the Power-Up settings on the board Disconnect and reconnect the Google Drive, GitHub, Slack, etc. account 3. Try another browser: Some users found Power-Ups missing in Chrome but visible in Edge Allow third-party cookies for trello.com if your browser blocks them 4. Check whether the Power-Up is shown on the board: Open the Power-Ups menu and check 'Shown Power-Ups' in the board header 5. Contact the Power-Up vendor: Atlassian does not support third-party Power-Ups (e.g. Todoist) — use the developer's support link in the Power-Up listing

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Trello Power-Ups Not Working

Workaround available Web, Desktop Updated October 21, 2026

Quick answer

Most Power-Up failures are fixed by removing and re-adding the Power-Up and then refreshing the page; third-party Power-Ups must be fixed by their vendor, not Trello.

Most likely fix: Remove and re-add the Power-Up.

Symptoms

Power-Up button missing from cards, blank settings or fields, authorization fails (e.g. 404 after 'Authorize'), or content inside cards never appears.

Why it happens

Temporary Trello UI bug after a release
Third-party Power-Up service is down or its API times out
Expired authorization with the connected service
Browser blocking third-party cookies or iframes
Power-Up hidden from the board header

How to fix it

Try these in order — the most common fix is first.

1. Remove and re-add the Power-Up
1. Open the board's Power-Ups menu in the board header
2. Disable/remove the Power-Up
3. Add it again and refresh the browser page
4. Users report doing both steps in that order fixes it
2. Re-authorize the connected account
1. Open the Power-Up settings on the board
2. Disconnect and reconnect the Google Drive, GitHub, Slack, etc. account
3. Try another browser
1. Some users found Power-Ups missing in Chrome but visible in Edge
2. Allow third-party cookies for trello.com if your browser blocks them
4. Check whether the Power-Up is shown on the board
1. Open the Power-Ups menu and check 'Shown Power-Ups' in the board header
5. Contact the Power-Up vendor
1. Atlassian does not support third-party Power-Ups (e.g. Todoist) — use the developer's support link in the Power-Up listing

This guide also covers

trello power-ups not working
trello power up not showing
trello power-up authorize error
trello github power-up not working

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