preview_address

The domain is your host's preview address (my-app.vercel.app); Gemmein can't check it or send from it.

Status: HTTP 400 · Keys and domains

What happened

The domain is your host's preview address (my-app.vercel.app); Gemmein can't check it or send from it.

What to do

Add the domain you'll go live on: its records and proof carry to Live, so you do them once.

Read more

• preview_address in the error table
• Keys and environments
• Domains (dashboard guide)
• API keys (dashboard guide)
• Changelog: when codes were added or removed