workflow/docs/api-reference/index.mdx

Workflow DevKit - Build durable, resilient, and observable workflows

---
title: API Reference
description: Complete reference for all Workflow DevKit functions and primitives by package.
type: overview
summary: Browse all available functions and primitives organized by package.
---

All the functions and primitives that come with Workflow DevKit by package.

<Cards>
    <Card title="workflow" href="/docs/api-reference/workflow">
        Core workflow primitives including steps, context management, streaming, webhooks, and error handling.
    </Card>
    <Card title="workflow/api" href="/docs/api-reference/workflow-api">
        API reference for runtime functions from the `workflow/api` package.
    </Card>
    <Card title="workflow/next" href="/docs/api-reference/workflow-next">
        Next.js integration for Workflow DevKit that automatically configures bundling and runtime support.
    </Card>
    <Card title="@workflow/ai" href="/docs/api-reference/workflow-ai">
        Helpers for integrating AI SDK for building AI-powered workflows.
    </Card>
    <Card title="@workflow/vitest" href="/docs/api-reference/vitest">
        Vitest plugin and test helpers for integration testing workflows in-process.
    </Card>
</Cards>