# Page Not Found

The URL `utils/custom-api` does not exist.

You might be looking for one of these pages:
- [Custom API](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/custom-api.md)
- [Slack (Custom App)](https://docs.stackai.com/workflow-builder/apps/slack-custom-app.md)
- [Best Practices](https://docs.stackai.com/getting-started/best-practices.md)
- [Tutorials & Examples](https://docs.stackai.com/getting-started/tutorials-and-examples.md)
- [SerpAPI](https://docs.stackai.com/workflow-builder/apps/serpapi.md)

## How to find the correct page

1. **Ask a question**: /sitemap.md?ask=<question> - Complete answer with sources
2. **Browse the full index**: [/sitemap.md](https://docs.stackai.com/sitemap.md) - Complete documentation index
3. **View the full content**: [/llms-full.txt](https://docs.stackai.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/workflow-builder/utils-logic-and-others/utils/custom-api.md`)
- Use `Accept: text/markdown` header for content negotiation