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Takumi Guard: Improved Token Delivery

· 2 min read
Deividas Turskis
Deividas Turskis
Software Engineer @ GMO Flatt Security Inc.

Takumi Guard now delivers your API key directly in the setup email — no verification link to click. Setup is simpler, and enterprise email security tools no longer interfere with key delivery.

Overview​

Previously, your API key was revealed only after clicking a verification link in the setup email. This worked in most environments, but enterprise email security tools (like Microsoft Defender Safe Links) pre-scan URLs via GET requests, consuming the one-time token before you could click it.

The new flow removes the link entirely. Your key and setup commands arrive ready to use.

Before: Register → click verification link → see key → configure your project

After: Register → key and copy-paste setup commands arrive in email → done

Security​

The key in your inbox has limited exposure. Here's why:

  • The key alone exposes nothing. It cannot retrieve user data, download history, or any sensitive information.
  • Invalid keys don't break your builds. If the key leaks and you invalidate it, npm install and pip install continue to work. Only the elevated rate limit (10k req/min) stops applying; the standard rate limit remains in effect.
  • You can rotate immediately. The welcome email includes a one-line command to regenerate your key, so you can rotate it out of your inbox right after setup.

Key Recovery​

Lost your API key? No need to contact support.

Re-register with the same email to receive a reset code. Use it to generate a fresh key — the email includes a copy-pasteable command. If the code expires, simply re-register again. There is no dead end.

For details, see Token Management.

What's Staying the Same​

  • Existing API keys continue to work — no action needed
  • Old verification links now display instructions to re-register
  • Both npm and PyPI ecosystems are supported

See Takumi Guard for setup instructions.