Changefly ID
The single-use Private ID that makes your users impossible to phish and your business impossible to defraud.
Risk Reduction • Compliance • Continuity
Smarter
Account Data.
Passwords and passkeys lock the front door, but public email and phone numbers leave the back door wide open. Stop the attack at the source. Upgrade to Changefly ID—the single-use Private ID that makes your users impossible to phish and your business impossible to defraud.
✓ SOC2 Compliant ✓ Zero-Knowledge Encryption ✓ Global Network
One ID. Infinite Use Cases.
Changefly is more than just unprecedented account protection—we are your comprehensive security partner that protects your ecosystem from end to end.
Verification
Plug-and-play protection. Use Changefly ID as a primary login or a parallel verifier alongside your existing Passwords, Passkeys, and MFA. Works seamlessly with your existing session management.
Recovery & Alerts
Replace vulnerable Email / Phone recovery flows with Zero-Knowledge Encrypted Direct Messages. Nobody—not even Changefly—can read the message.
Fraud Prevention
Detect and block AI bots, synthetic identities, and multiple account abusers instantly at the gate.
Age & ID Verification
Verify users are real and of age without handling toxic PII. Perfect for compliance requirements and fraud detection.
Risk-Free Migration
Don't rip and replace. Deploy Changefly ID as a parallel MFA layer today, and migrate to primary login at your own pace. No hard cutover required.
Developer First
Integrate Trust in 3 Lines of Code
Changefly is built by developers, for developers. Our API documentation is clean, our SDKs are typed, and our sandbox is free.
View Documentation
import { Changefly } from '@changefly/sdk';
const client = new Changefly(API_KEYS);
await client.verifyUser({
id: changefly_id,
});
// Result: { verified: true, risk: 0 }