Facial Recognition API with FacialProof

Best Facial Recognition API for high-accuracy Liveness and Identity.

Built on the world’s most advanced neural sensing technology, FacialProof.com is recognized as the most accurate facial recognition API for developers who demand precision.

Secure your platform with real-time biometric intelligence that stops fraud before it happens.





👁️ Facial Recognition

Detect faces in real-time using your camera

Reference

Reference image


Results









200 OK
Time: 245ms
Size: 2.3 KB 

{
  "success": true,
  "faces_detected": 3,
  "faces": [
    {
      "id": 1,
      "confidence": 0.95,
      "bounding_box": {"x": 150, "y": 200, "width": 300, "height": 350},
      "age": "27-29 years old",
      "emotion": "Happy",
      "gender": "Female"
    },
    {
      "id": 2,
      "confidence": 0.92,
      "bounding_box": {"x": 500, "y": 180, "width": 280, "height": 320},
      "age": "25-27 years old",
      "emotion": "Neutral",
      "gender": "Male"
    },
    {
      "id": 3,
      "confidence": 0.88,
      "bounding_box": {"x": 800, "y": 250, "width": 200, "height": 250},
      "age": "6-8 years old",
      "emotion": "Happy",
      "gender": "Male"
    }
  ]
}

Live Camera


🔒 Liveness Detection
Please follow the instructions below
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Starting verification…

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Click “Start Camera” to begin


ID Document


Upload your ID document


Ready to start. Upload your ID document and start the camera.

🎭 Facial Emotion Recognition

Upload an image or use real-time camera for face shape analysis using advanced AI





Upload an image or start camera to begin face detection

Face Shape

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Upload an image or start camera to detect face shape

Personal Attributes

Gender
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Age
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Primary Emotion
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All Emotions
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Face Angle
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Face Measurements

Face Width
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Face Height
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Width/Height Ratio
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Jaw Width
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Forehead Width
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Detection Info

Faces Detected
0
Confidence
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Processing Time
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🎤 Advanced Voice Emotion Detector

AI-Powered Real-Time Emotion Analysis

Click to start recording (3 seconds)

Audio Waveform

Frequency Spectrum

Start Building for Free – Explore API Docs

Voted #1 for Accuracy by Independent Developers | 99.99% Precision Score | Zero Latency API Processing

Why FacialProof is the Most Accurate Facial Recognition API

Legacy providers fail because they are slow and expensive. FacialProof solves this by removing the need for clunky “blink-tests.”

Our Passive Liveness Detection identifies real humans in milliseconds without disrupting the user flow.

From high-res photos to advanced 3D masks, our anti-spoofing engine is the industry benchmark. If it’s not a live human, FacialProof catches it. That is why businesses switch to us when they need the best facial recognition API for security.

Industrial-Grade Liveness Detection API

FacialProof combines passive and active liveness detection to secure logins, transactions, and sensitive actions.

Passive checks run invisibly in milliseconds. Active challenges are used only when risk signals require stronger evidence, maintaining high conversion rates without compromising security.

Built for:

  • High-risk actions and step-up verification
  • Login and re-authentication
  • Account takeover prevention

Facial Expression & Emotion Signals API

Go beyond identity with real-time facial expression analysis that detects micro-movements, gaze direction, and 468-point facial landmarking.

FacialProof converts expression-based signals into actionable insights, ideal for accessibility, gaming, user research, and experience optimization.

Face Matching & Identity Verification Modes

FacialProof supports both verification and identification workflows, depending on your security and privacy requirements.

  • 1:N Face Identification. Compare a face against a controlled gallery to detect duplicates, banned users, or known identities. Optional and designed for closed, consent-based environments.
  • 1:1 Face Verification. Confirm that the same real person is returning by matching a new selfie against a known reference face. Ideal for login, re-authentication, account recovery, and transaction approval.

Liveness-Based Identity Verification (KYC-Ready)

FacialProof provides biometric identity verification using Active and Passive Liveness Detection assurance designed to support KYC and AML workflows, without document capture or database checks.

Designed for:

  • KYC-lite onboarding
  • Step-up authentication
  • Fraud prevention
  • Re-verification events

FacialProof verifies real human presence, helping teams reduce fraud and friction — while leaving document verification to specialized providers if required.

Face Re-Authentication & Session Continuity

FacialProof enables fast, repeat identity checks using biometric re-authentication.

Confirm that the same real person is returning across sessions without passwords, codes, or documents. Ideal for step-up verification, account recovery, and high-risk actions.

Use cases

  • Post-KYC identity assurance
  • Re-login & account recovery
  • Wallet access & transaction confirmation

Advanced Anti-Spoofing & Fraud Defense

FacialProof detects and blocks spoofing attempts in real time.

From printed photos and screen replays to video injections and 3D mask attacks, our anti-spoofing engine is designed to stop non-human and manipulated inputs before they reach your system.

Protects against

  • Bot-driven verification attempts
  • Replay attacks
  • Deepfake and synthetic media

Integrate the World’s Leading Facial Recognition API in Minutes.

Developers choose FacialProof because we speak your language. Whether you need a Facial Recognition API for Python, a JavaScript implementation, or Java/PHP support, our documentation and SDKs are built for speed.

# Example: Using the FacialProof.com Python SDK
import facialproof

# The most accurate way to verify a face
result = facialproof.verify_identity(image_data, 
         features=['liveness', 'emotion_sensing'])

if result.is_live_human:
    print(f"Verified! User mood detected: {result.top_emotion}")

FacialProof vs Facial Recognition & KYC APIs

When teams evaluate a Facial Recognition API, they usually fall into two camps:

  • Biometric intelligence (liveness, spoofing, re-authentication)
  • Compliance-heavy KYC (documents, databases, sanctions)

FacialProof is built for the first — and designed to plug into the second when needed.

Core Comparison: Facial Recognition APIs

CapabilityFacialProofAmazon RekognitionMicrosoft Azure Face APIGoogle Cloud Vision Face DetectionFace++MXFace
Primary FocusBiometric accuracyGeneral CVGeneral CVGeneral CVFace matchingAuthentication
Passive Liveness✅ Native❌❌❌⚠️ Add-on⚠️ Partial
Active Liveness✅❌❌❌⚠️⚠️
Anti-Spoofing✅ Advanced⚠️ Basic⚠️ Basic❌⚠️⚠️
Emotion / Expression API✅ Built-in❌❌❌❌❌
Real-Time Use✅ Milliseconds⚠️⚠️⚠️⚠️⚠️
API OnboardingInstantCloud setupCloud setupCloud setupManualManual
Designed for Products✅❌❌❌⚠️⚠️

FacialProof vs KYC Solutions

Traditional KYC platforms like Onfido, Jumio, Veriff, and iProov focus on document verification, databases, and compliance workflows. FacialProof is different by design.

Those platforms verify documents and legal identity.

FacialProof API verifies real human presence using Active and Passive Liveness.

FacialProof is commonly used:

  • Before KYC (fraud and bot prevention)
  • After KYC (re-authentication)
  • Instead of KYC for low-risk flows

FacialProof supports KYC-ready biometric workflows without handling documents or databases.

What FacialProof verifies

  • Live human presence (no replays)
  • Active + passive liveness
  • Consistent identity across sessions
  • Advanced spoof resistance

What FacialProof does not do

  • ID document verification
  • Government or third-party database checks
  • AML or sanctions screening

This keeps integrations fast, low-friction, and compliant by design.

Developers often compare FacialProof with open-source tools like face-api.js, OpenFace, and ageitgey/face_recognition, but these lack production-grade liveness, spoof protection, and accuracy guarantees.

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