Describe the problem/error/question
after submission n8n form for request approval via Gmail. Approver click approve show invalid token
What is the error message (if any)?
invalid token
my config env
Please share your workflow
Share the output returned by the last node
Information on your n8n setup
n8n version: 1.110.1
Database (default: SQLite):
n8n EXECUTIONS_PROCESS setting (default: own, main):
Running n8n via (Docker, npm, n8n cloud, desktop app): Docker
Operating system: Ubuntu
krisn0x
September 11, 2025, 7:53pm
2
Hey, are the domain and protocol (http/https) of the n8n host the same as the ones you see when you open the form from the email? Those need to match otherwise the token will be invalid.
You could play with these variables to see if they help:
- N8N_HOST=your.domain.com
- N8N_PORT=5678
- N8N_PROTOCOL=https
- WEBHOOK_URL=https://your.domain.com/
Let me know if this helps,
@krisn0x
Thank you for your response
krisn0x
September 12, 2025, 5:58am
4
Allies_R:
I meant is the domain and http/https the same in this picture, compare to the domain where n8n runs (the editor)?
@krisn0x
Yes, too. It used to be possible on version 1.105.2 with the same settings. Not work after 1.106.3 - latest version
system
Closed
December 11, 2025, 7:06am
6
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