Changefly ID
Replace weak credentials with cryptographic proof. Eliminate credential stuffing and reduce support costs for accounts.
Private Identity Platform
Trust your users.
Verify the rest.
Eliminate fraud, bots, and credential stuffing with one API call. Changefly ID provides instant, anonymous verification for seamless customer experiences.
✓ SOC2 Compliant ✓ 99.999% Uptime
One ID. Infinite Use Cases.
Changefly is more than just a fast login tool—it is a comprehensive identity layer that protects your ecosystem from end to end.
Age & ID Verification
Verify users are real and of age without handling toxic PII. Perfect for restricted goods, fintech, and communities.
Fraud Prevention
Detect and block AI bots, synthetic identities, and multiple account abusers instantly at the gate.
Secure Loyalty
Enroll users in rewards programs via their Changefly ID. Track points and tiers without invading user privacy.
GDPR & CCPA Ready
Minimize your data footprint. Changefly handles the complexity of privacy regulation so you don't have to.
Drop-in SDK
Integrate in minutes, not months. Our robust SDKs for iOS, Android, and Web make implementation a breeze.
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: user_changefly_id,
});
// Result: { verified: true, risk: 0 }