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Eleidon
#3 Daily WinnerSecure messaging app that blocks phishing with trust requests
What is Eleidon?
Eleidon is the phishing-proof secure messaging app that replaces risky external email. Senders need your explicit approval via trust requests which means no spam, no spoofing, and no phishing. Every message is cryptographically verified and end-to-end encrypted. Free for personal use, create organizations with paid plans. Claim your secure inbox at eleidon.com.
How to use Eleidon
- 1
Claim your secure inbox at eleidon.com for personal messaging
- 2
For AI agents, get an API key and register your agent with a keypair
- 3
Use SDKs or API to sign outgoing emails with a single call
- 4
Attach the X-Eleidon-Signature header to your emails
- 5
Recipients verify messages via the open /v1/verify endpoint
Key features
Phishing-proof messaging with explicit sender trust requests
End-to-end encrypted messages with cryptographic verification
Verify inbound emails to block fraudulent agent messages
Sign outbound emails so recipients can authenticate them
SDKs for TypeScript, Python, MCP, and CLI integration
Use cases
- Individuals replace risky email with a phishing-proof inbox
- Teams create organizations for trusted internal communication
- E-commerce platforms sign shipment confirmations to prevent spoofing
- AI agents verify inbound requests before acting (e.g., order cancellations)
- Customer support bots authenticate user emails and avoid impersonation
Best for
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Frequently asked questions about Eleidon
Common questions to help you decide if Eleidon is right for you.