API Keys and Access Tokens

An API key is a long-lived alphanumeric string used to identify and authenticate an app, device, or service making requests to an API. It helps control who can access the API and allows developers to monitor usage. Unlike user-based tokens, API keys are typically tied to applications rather than individuals.

An access token is a credential that provides temporary permission to access specific resources on behalf of a user or application. Issued after authentication, it contains encoded information about the user's identity, permissions, and the actions they're allowed to perform. Access tokens are typically short-lived and support fine-grained access control, making them a secure and flexible way to manage API access.

A Personal Access Token (PAT) is a long-lived credential generated for an individual user to authenticate directly with APIs or services. Unlike short-lived access tokens, a PAT is tied to a specific user account and can be configured with defined scopes, controlling which resources and actions it can access. PATs are often used in place of passwords for automation, CLI tools, or scripts, making them a secure and flexible alternative that supports granular access control while remaining user-specific.

Different platforms use various terms to describe access credentials. Although the names may differ, they often refer to similar concepts of authentication and authorization. Here are some common terms used across platforms:

**Appcircle Personal Access Key and API Key are used to retrieve a Personal Access Token or an Access Token for organization-level access, respectively. Both types of tokens provide secure authentication and authorization for API requests, but they differ in scope and intended use cases.

Appcircle Personal Access Keys and API Keys are used to retrieve different types of tokens depending on the scope of access you need. A Personal Access Key is tied to an individual user and generates a Personal Access Token (PAT) for personal or user-level operations. An API Key is linked to an organization or project and generates an Access Token for organization-level authentication.

Example: A developer uses a Personal Access Token when performing user-specific actions. For CI/CD automation that needs consistent organization-level access (e.g., triggering builds or fetching artifacts), they configure an API Key to generate an Access Token with the appropriate scope, ensuring secure and controlled access.

Create access tokens scoped to your organization to securely manage API access across your team. These tokens are not tied to individual user accounts, making them ideal for team-wide automation, service integrations, and shared access scenarios. You maintain full control over which organization the token applies to, ensuring access remains limited to your internal environment.

Example: A team lead generates an organization-specific access token using an API Key to integrate a CI server with Appcircle. The token is scoped to their organization, allowing the CI system to interact with build configurations and environment variables while avoiding the use of personal user credentials or access beyond the organization's workspace.

When you generate an API Key in Appcircle, it issues an Access Token that can be scoped with specific roles and permissions. This role-based approach enforces fine-grained access control, ensuring each token is restricted to its intended purpose. Roles such as Manager, Operator, or Viewer help enforce the principle of least privilege across your workflows, integrations, and automation.

Example: A DevOps engineer creates an API Key with the Operator role for a CI pipeline that needs to trigger builds but should not access distribution or user management features. The key is scoped to the organization and injected securely via environment variables. If the key is compromised, the attacker's access is limited to only what the Operator role allows.

To reduce long-term risk, Appcircle allows you to manage API Key expiration. By setting expiration dates, you can limit how long a key remains active, helping to prevent unauthorized access if a key is ever exposed. This supports better session management and aligns with security best practices.

Example: A team lead generates an access token using an API Key for temporary CLI access during a short-term project. They set the Key to expire in 30 days to ensure it doesn't remain active after the project ends. This minimizes the risk of forgotten or unused tokens being exploited later. Before the key expires, the team is notified that the expiration date is approaching, giving them enough time to create a new API Key without any disruptions.

Appcircle API and CLI supports authentication through both Personal Access Keys and API keys. Whether you're running commands via the CLI or integrating with the API, these keys provide a secure way to authenticate without exposing passwords. Personal Access Keys reflect full user permissions, while API keys offer scoped, organization-level access.

Example: A developer automates build triggers using the Appcircle CLI. They generate a PAT using a Personal Access Key and use it to authenticate securely without storing their password in scripts. For another integration with a monitoring tool, they generate a scoped API key with Viewer access, ensuring limited and secure communication between services.