# ex_machina v2.8.1 - API Reference

## Modules

- [ExMachina](ExMachina.md): Defines functions for generating data
- [ExMachina.Ecto](ExMachina.Ecto.md): Module for building and inserting factories with Ecto
- [ExMachina.Sequence](ExMachina.Sequence.md): Module for generating sequential values.
- [ExMachina.Strategy](ExMachina.Strategy.md): Module for making new strategies for working with factories

- Exceptions
  - [ExMachina.UndefinedFactoryError](ExMachina.UndefinedFactoryError.md): Error raised when trying to build or create a factory that is undefined.