# Use Cases

Real-world applications of the Zaits API across different industries.

## Identity Verification & KYC

### Digital Banking and Fintech

Automate customer onboarding with face verification and document analysis.

**Key Features:**

* Face verification against ID documents
* Liveness detection to prevent spoofing
* Document data extraction (name, DOB, ID number)
* Risk scoring and fraud detection

**Typical Flow:**

1. Customer uploads selfie and ID document
2. Extract data from ID using OCR API
3. Verify selfie matches ID photo using Face API
4. Perform liveness check
5. Calculate risk score and approve/reject

***

## Access Control Systems

### Physical Security and Building Access

Implement face recognition for secure building or area access.

**Key Features:**

* Face enrollment for employees/authorized personnel
* Real-time face matching at entry points
* Time-based access restrictions
* Complete audit trail of all access attempts

**Typical Flow:**

1. Employee approaches door with camera
2. Camera captures face image
3. System searches enrolled faces (1:n matching)
4. If match found and authorized, unlock door
5. Log access attempt

***

## Document Processing & Automation

### Legal Document Analysis

Automate document review and data extraction for law firms.

**Key Features:**

* Text extraction from contracts and legal documents
* Key clause identification
* Important date extraction
* Risk and compliance analysis

**Typical Flow:**

1. Upload contract document
2. Extract text using OCR API
3. Identify parties, dates, and financial terms
4. Flag risks and compliance issues
5. Generate summary report

***

## E-commerce & Retail

### Age Verification for Restricted Products

Verify customer age for alcohol, tobacco, or adult content purchases.

**Key Features:**

* Age estimation from face photo
* Age extraction from ID document
* Face matching between selfie and ID
* Fraud detection

**Typical Flow:**

1. Customer uploads selfie and ID
2. Estimate age from photo using Face API
3. Extract DOB from ID using OCR API
4. Verify face matches ID photo
5. Approve/reject purchase based on age requirements

***

## Healthcare Applications

### Patient Identity Verification

Secure patient identification for healthcare systems.

**Key Features:**

* Face verification against patient records
* Insurance card verification
* HIPAA-compliant audit logging
* Multi-factor authentication

**Typical Flow:**

1. Patient provides photo at check-in
2. System retrieves stored patient photo
3. Verify face match using Face API
4. Optionally verify insurance card
5. Grant access to medical records

***

## Real Estate Applications

### Property Viewing Authentication

Secure property access for real estate viewings.

**Key Features:**

* Visitor identity verification
* Scheduled viewing time validation
* Agent verification
* Property access logging

**Typical Flow:**

1. Visitor schedules property viewing
2. Uploads verification photo
3. At property, takes selfie
4. System verifies identity and schedule
5. Grants or denies property access

***

## Event Management

### Event Check-in and Access

Streamline event check-in with face recognition.

**Key Features:**

* Attendee face enrollment during registration
* Fast check-in via face matching
* VIP/tier-based access control
* Real-time attendance tracking

***

## Financial Services

### Transaction Authentication

Add biometric authentication to high-value transactions.

**Key Features:**

* Face verification for transaction approval
* Liveness detection for anti-fraud
* Multi-factor authentication
* Risk-based verification

***

## Government Services

### Citizen Identity Verification

Verify citizen identity for government services.

**Key Features:**

* Government ID verification (INE, passport)
* CURP validation (Mexico)
* Face matching against official records
* Secure, compliant identity verification

**Available for Mexico:**

* [RENAPO CURP Validation](/api/api-reference/mexico-services.md#renapo-curp-validation)
* [INE Voter Credential Validation](/api/api-reference/mexico-services.md#ine-voter-credential-validation)

***

## Getting Started

For implementation details and code examples, see:

* [Face Recognition API](/api/api-reference/face.md)
* [Face Matching API](/api/api-reference/face-matching.md)
* [OCR API](/api/api-reference/ocr.md)
* [Mexican Government Services](/api/api-reference/mexico-services.md)
* [Code Examples](/api/code-examples/javascript.md)


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