# Account & billing > Workspace settings, team roles, billing, usage and API keys. Unifunl.io Support help-center category `account-billing`, 5 articles. Language: en. Every help-center page has a Markdown twin — append `.md` to its URL — and an `llms.txt` that covers it and everything under it — append `/llms.txt`. ## Articles - [Team and roles](https://support.unifunl.io/en/help/account-billing/team-and-roles.md): Invite colleagues by email, understand what Owner, Admin and Member can each reach, and keep an eye on your seat count. - [Credits and billing](https://support.unifunl.io/en/help/account-billing/credits-and-billing.md): How credits are spent and topped up, what the Usage page tells you, what happens at zero, and how the plans compare. - [Security and data](https://support.unifunl.io/en/help/account-billing/security-and-data.md): What happens to your data and your customers', the controls you hold, and how to audit what was sent. - [API and developers](https://support.unifunl.io/en/help/account-billing/api-and-developers.md): Give external systems read-only access to your orders and bookings — usage rules, quick start, and the reverse direction for custom stores. - [Workspace settings](https://support.unifunl.io/en/help/account-billing/workspace-settings.md): Your workspace name, logo and plan information — plus the settings sidebar that gets you everywhere else. ## Optional - [Account & billing (page)](https://support.unifunl.io/en/help/account-billing): the rendered category page - [Help Center](https://support.unifunl.io/en/help/llms.txt): the whole help center