[BUG] Billing: "Stripe is temporarily unavailable" error on Pro upgrade — multiple devices, multiple days

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Unable to upgrade to Claude Pro. Every attempt fails with "Stripe is temporarily unavailable." This has persisted for several days across 2 different computers and multiple payment methods. Not a local issue.

What Should Happen?

Payment processes and account upgrades to Pro.

Error Messages/Logs

"Stripe is temporarily unavailable.

Steps to Reproduce

Go to claude.ai → Settings → Billing
Click Upgrade
Enter payment info
Submit — error: "Stripe is temporarily unavailable"

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

v1.5354.0

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Non-interactive/CI environment

Additional Information

_No response_