> For the complete documentation index, see [llms.txt](https://docs.didforsale.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/big-picture.md).

# Big Picture

![DIDForSale interaction with your Web Application](/files/-LVdh5yvo443qhjiOaK1)