Mythos Preview — Early Access Program

Register Your Device.
Get Early Access.

Apply for the Gated Research Preview. Verified security professionals receive a hardware-bound Mythos Preview API key — cryptographically locked to the device you register.

1
Complete your profile Your name, work email, organization, and security role — so we can verify you're a security professional.
2
Verify your device Run command to retrieve your Mac's serial number. Your API key is cryptographically bound to this device.
3
Receive your Mythos Preview key Your sk-mythos-... key is issued to your work email — bound to your device, non-transferable.
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Early Access Program

Applications Paused

The Mythos Preview cohort is currently full. We're reviewing applications on a rolling basis — check back soon or follow anthropic.com for updates.

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Device Verified — Key Incoming

Your device serial has been validated. Your Mythos Preview API key will be issued to your work email within one business day, bound to the device you registered.

Keep an eye on your work inbox. The key email will come from noreply@anthropic.com.

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