yes, ChatGPT's sign-up process will accept a temporary email address and send a verification code to it without issue.
Jul 15, 2026
So for a quick sign-up, especially if you're testing the app or just want to browse without committing your real email, temp mail generally does the job.
The honest answer is: sometimes yes, sometimes no. It depends on a few things most people never think about until it doesn't work.
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