During December 2025, Petr Sedlak developed an OpenAPI token retrieval endpoint for the trustification/trustify repository, enabling the frontend web interface to securely obtain authentication tokens. He implemented explicit CallbackURL whitelisting to ensure compatibility with AWS Cognito, improving the security and reliability of the authentication flow. Petr updated documentation to clarify the OpenAPI callback process and integrated these changes into the infrastructure using Terraform, supporting reproducible deployments. His work focused on aligning backend and frontend authentication, reducing friction for users accessing tokens via the OpenAPI UI. The project leveraged skills in AWS, Cognito, and Infrastructure as Code, primarily using Terraform.