# Team, Plans and Billing

> Invite members, assign project roles, track usage against your plan limits, and manage your TestOwl subscription and invoices.

## Guides in this Section

- [Project Roles](/docs/team-and-account/project-roles): Every project member has a role that controls what they can see and change. What each role can do, and how to pick the right one for your teammates.
- [Inviting Team Members](/docs/team-and-account/inviting-members): Invite teammates to collaborate on a project and assign a role. How to send an invitation, resend or revoke it, and change a member's role later on.
- [Plans & Usage](/docs/team-and-account/plans-and-usage): Every project runs on a plan that sets its limits. How to see your current plan and usage, what counts as an execution, and what happens at the limit.
- [Billing & Subscriptions](/docs/team-and-account/billing): Manage your TestOwl subscription: change plan, update payment details, read invoices, and see what happens when a trial ends or a payment fails.
- [AI Credits & Usage Limits](/docs/team-and-account/ai-credits): Your project's monthly allowance for Ask AI and Describe with AI, what counts as a unit, buying a credit pack, and what happens when you run out.