API Key Authentication
Legitmark uses API key authentication. Your API key identifies your platform and authorizes access to Legitmark services.Need an API key? See Getting Started to set up your organization and create one in the Developer Settings.
Authorization header of all requests:
Security Model
All API communications use your API key for authentication. Personal information is never transmitted in headers, URLs, or query parameters, meeting strict data protection standards.Rate Limits
Rate limiting may be applied to ensure platform stability. If you receive a429 response, back off and retry. See Rate Limits for details.
Security Best Practices
API Key Security
- Restrict API key access to authorized systems only
- Use environment variables for API key storage
- Implement key rotation procedures
- Monitor API key usage for anomalies
Request Security
- Always use HTTPS for API communications
- Implement request timeout and retry logic
- Use secure headers for all authenticated requests