Frequently Asked Questions

What is Ephos?

Ephos is a zero-knowledge API key vault built specifically for AI agents. Your API keys are encrypted in your browser before they ever leave your device.

How is this different from other vaults?

Traditional vaults assume human users. Ephos is built for AI agents — JIT decryption, MCP native, keys never exposed to the agent.

Is it really zero-knowledge?

Yes. Your keys are encrypted client-side using AES-256-GCM. We never see your plaintext keys, your passphrase, or your decrypted secrets.

What's the pricing?

Free tier: 10 keys, 1,000 requests/month. Pro: $19/month.Includes unlimited keys, 50,000 requests/month. Enterprise: custom pricing. Beta users get 1 month Pro free.

Can I self-host?

Yes. Enterprise plan includes self-hosted option.