# Trigger.dev

> Trigger.dev is an open source background jobs framework that lets you write reliable workflows in plain async code. Run long-running AI tasks, handle complex background jobs, and build AI agents with built-in queuing, automatic retries, and real-time monitoring. No timeouts, elastic scaling, and zero infrastructure management required.

## Docs

- [Migrating from v3](https://trigger-ea-branch-83.mintlify.site/migrating-from-v3.md): What's new in v4, how to migrate, and breaking changes.
- [Tasks: Overview](https://trigger-ea-branch-83.mintlify.site/tasks/overview.md): Tasks are functions that can run for a long time and provide strong resilience to failure.
- [Errors & Retrying](https://trigger-ea-branch-83.mintlify.site/errors-retrying.md): How to deal with errors and write reliable tasks.
- [The trigger.config.ts file](https://trigger-ea-branch-83.mintlify.site/config/config-file.md): This file is used to configure your project and how it's built.

## OpenAPI Specs

- [v3-openapi](https://trigger-ea-branch-83.mintlify.site/v3-openapi.yaml)
- [openapi](https://trigger-ea-branch-83.mintlify.site/openapi.yml)


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.