> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apinizer.com/llms.txt
> Use this file to discover all available pages before exploring further.
# CORS Headers
> You can manage header definitions used in CORS settings and create predefined CORS header values. You can configure header definitions commonly used in screens where CORS settings are made.
Apinizer console defines some headers by default for ease of use:
* Accept
* Accept-Language
* Content-Language
* Content-Type
## Creating a New CORS Header Value
Click the **+New** button from the **Management → System Settings → Predefined Values → CORS Headers** screen.
**An image containing CORS Header Value creation settings is shown below:**
The fields used for CORS Header Value creation configuration are shown in the table below.
| Field | Description |
| --------------- | --------------------------------------------- |
| Value *(Value)* | Field where the CORS Header Value is entered. |