In Mexico, ensuring the accurate verification of a citizen’s identity is vital for businesses, banks, and government agencies. The CURP (Clave Única de Registro de Población) acts as the official identification number for every Mexican citizen and plays a crucial role in banking, employment, healthcare, and legal processes. Relying on manual verification can be slow, prone to errors, and leave organizations vulnerable to fraud.
Verifik’s CURP verification API changes this by offering a fast, secure, and reliable solution. It provides complete identity details such as name, date of birth, and nationality to help organizations validate CURPs quickly, reduce errors, and ensure compliance with national regulations. With real-time responses and seamless integration, businesses can automate identity checks for Mexican citizens and focus on serving their customers efficiently.
What is CURP and How It Works in Mexico?
CURP, which stands for Clave Única de Registro de Población and translates to Unique Population Registry Code, is Mexico’s national ID number assigned to every legal citizen and resident. It serves as a unique identifier that helps government agencies, businesses, and organizations accurately recognize individuals for legal, financial, and administrative purposes. Every CURP contains key information, including the person’s name, date of birth, gender, and place of origin.
CURP is widely used in banking, healthcare, employment, and official documentation, which makes it a key tool for verifying identity in Mexico. By providing a standardized and secure way to confirm personal information of Mexico citizens, CURP helps organizations verify identities accurately and reduce the risk of fraud.
Challenges of Manual CURP Verification
Manual CURP validation often involves cross-checking databases, reviewing documents, or relying on outdated systems. This process is not only time-consuming but also exposes businesses to several risks, such as:
- Inaccurate or inconsistent verification results.
- Delays in user onboarding or transaction approvals.
- Higher chances of fraud or fake identity submissions.
- Operational inefficiencies due to manual intervention.
As more businesses shift toward digital processes, these challenges become barriers to growth. Automation has become the smarter path forward.
How Verifik’s CURP API Simplifies Mexican ID Verification
Verifik’s CURP verification API brings speed, reliability, and simplicity to the identity validation process. By submitting the CURP number and document type, businesses can instantly confirm identity details from trusted sources in Mexico.
Endpoint:
https://api.verifik.co/v2/mx/curp
Required Parameters:
- documentType: Must be CURP
- documentNumber: Citizen’s CURP number
Supported Languages:
JavaScript, Python, PHP, Swift
Returned Data Includes:
- Full name
- First and last names separately
- CURP number
- Date of Birth
- Nationality
- Verification Status
This structured response makes it easy for businesses to integrate verified Mexican identity data directly into their workflows.
How Verifik’s Mexico CURP Verification API Works
Step #1: Input Required Data
Include the CURP number and your authorization token.
Step #2: Real-Time Verification
The API validates the CURP against official Mexican records.
Step #3: Receive Structured Results
Verifik’s CURP API returns a well-organized JSON response with all the critical identity information, including verification status. Developers can directly integrate this data into onboarding workflows, apps, or systems.
Key Features and Benefits of Verifik’s CURP Verification API
- Instant Verification: Validate CURP documents in real time.
- Accurate Identity Data: Full name, first name, last name, and CURP number.
- Structured Response: Easy integration into business systems.
- Error Handling: Clear messages for invalid or missing inputs.
- Secure and Compliant: Adheres to Mexican data privacy laws.
- Developer-Friendly: Multi-language support for quick implementation.
Conclusion
Accurate and fast verification of CURP documents is critical for businesses and organizations in Mexico. Verifik’s CURP verification API delivers real-time validation, complete identity details, and secure integration for all your systems.
Streamline your identity verification today by integrating Verifik’s API to verify Mexican citizens quickly, reliably, and securely. To get started, contact us now!

CEO and Founder of Verifik
As the founder and CEO of Verifik, Johan Castellanos is on a mission to reshape the future of digital identity. With a passion for privacy and digital trust, he’s building groundbreaking tools like ZK Face Proofs to help businesses and users connect safely in both Web2 and Web3 spaces.


