
Mozilla Accounts (FxA)
Account and authentication service for Mozilla products
685 stars 236 forks last commit first released MPL-2.0
Actively maintained
Last commit 26 Aug 2026.

Mozilla Accounts (formerly Firefox Accounts, often abbreviated as FxA) is the account system used by Mozilla products to handle user sign-in and account lifecycle. It provides authentication flows and account-related services that Mozilla clients can integrate with.
Key Features
- User authentication and session management for Mozilla applications
- Account lifecycle features such as sign-up, sign-in, and account recovery flows
- APIs and service components designed to support Mozilla client integrations
- Monorepo structure that groups multiple account-related services and packages
Use Cases
- Providing a centralized login for Mozilla applications and services
- Managing user sessions and account data across multiple Mozilla clients
- Developing and testing account-related backend services in a unified codebase
Limitations and Considerations
- The service is primarily intended for Mozilla’s internal clients, and external relying-party integrations may be limited
Mozilla Accounts is suited to organizations that need an integrated account system with consistent authentication flows across multiple clients. It is most relevant when you specifically need compatibility with Mozilla’s ecosystem and existing FxA-based clients.
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