Implementing API Key support in a multi-tenant SaaS platform can be complex, but Clerk simplifies the process. As SaaS applications expand, customers need a straightforward way to integrate with external tools, which often requires secure API access. API Keys are a familiar solution, but managing them for multiple users and organizations adds layers of difficulty. Key management includes deciding where to store keys, how to rotate or revoke them, and ensuring they are properly scoped for each user or organization. Clerk's API Keys feature allows developers to offer secure API access without building the infrastructure from scratch. The article presents a practical guide using the AgentOps demo app, which is a multi-tenant Next.js application. It walks through the steps needed to enable API Key functionality, focusing on Organization API Keys. These keys are tied to organizations rather than individual users, making them ideal for shared access in multi-tenant environments. Setting up Clerk involves enabling organizations and roles in the dashboard and granting specific permissions for key management. The implementation includes integrating API Key management into the existing dashboard layout, allowing users to create and manage their keys easily. The demo app demonstrates how to configure backend routes to accept both session tokens and API Keys, ensuring that requests are properly authenticated and scoped to the right organization. Testing API Keys is straightforward, using tools like cURL or Postman to interact with the API endpoints securely.