Real-time Biometric Matching API

Verify User Identity Instantly in Real-Time.

Stop identity fraud before it starts. Register a user's face at onboarding then verify any live selfie in under 200ms, straight from your mobile or web app.

Get API Keys Try Sandbox

End-to-end encrypted

GDPR compliant

99.9% uptime

99.8%Accuracy

<200msLatency

50M+Checks / mo

Integration

Verify in three API calls

No ML expertise needed. Plug in our SDK and ship identity verification this sprint.

Step 01

Register User Profile

At user signup or onboarding, call /register with the user's unique ID and photo to establish their cryptographic face reference in our secure vault.

Step 02

Trigger Selfie Check

When performing an action or logging in, prompt a live selfie inside your app or website. Send it to our /verify endpoint in real time.

Step 03

Receive Instant Verdict

AWS Rekognition runs the comparison on S3. We return a verified status and similarity score in under 200ms — zero extra infrastructure required.

verify.js

const result = await faceverify.verify({
  userId: "user_8f2k9x",
  selfie: imageBase64,          // live selfie from app
});

// { verified: true, similarity: 98.4, latency: 142 }

Live Demo

Interactive Developer Sandbox

Upload or capture two face images to test the comparison API live. See request and response payloads update in real time.

Reference Photo

KYC / document photo on file

No image selected

Upload

Verification Selfie

Live capture at verification check

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Request Payload

POST

POST /api/v1/verify HTTP/1.1
Host: facelify.online
x-api-key: fv_key_sandbox_xxxxxxxx
Content-Type: multipart/form-data

------WebKitFormBoundary
Content-Disposition: form-data; name="userId"

user_sandbox_101
------WebKitFormBoundary
Content-Disposition: form-data; name="image"; filename="selfie.jpg"
Content-Type: image/jpeg

[Binary Image Stream]

Response PayloadJSON

Run the comparison above to see the live API response JSON.

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