Zapier App Connection Expired or Not Authenticated
Quick answer
Zapier needs you to reconnect the app account when its authorization expires or is revoked, which shows as 401 or 'Not authenticated'. Reconnect, update the Zap's steps to the refreshed connection, publish, then replay held runs.
Most likely fix: Reconnect the account
How to fix it
Try these in order — the most common fix is first.
1. Reconnect the account
- Go to Settings > Connections (Apps)
- Click Reconnect on the expired app, or disconnect and add it again
- Reopen each affected Zap and select the refreshed connection
Did this fix it?2. Check permissions
- Make sure the connected user has the required access in the app
- Team and Enterprise: ask the connection owner to share it again
Did this fix it?3. Turn on and replay
- Publish and turn the Zap on
- Replay held or errored runs from Zap history
Did this fix it?
Symptoms
Errors like auth expired, 401 Unauthorized, 'connection is stale', or the Zap will not turn on.
Why it happens
- OAuth token expired or revoked
- Password or two-factor change in the connected app
- Missing permissions on the account used
- Team connection owner changed or access revoked
- App rate limits causing repeated auth failures
This guide also covers
- zapier connection expired
- zapier not authenticated
- zapier 401 unauthorized
- zapier reconnect account
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