> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bosscart.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Create or update a contact

> Create a contact. If a contact with the supplied email already exists, it will be updated. Only supplied parameters are set.



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://docs.bosscart.io/llms.txt).