# x-amazon-apigateway-endpoint-access-mode
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Specifies a the endpoint access mode for a REST API or custom domain name. To learn more about endpoint access mode, see [Endpoint access mode](apigateway-security-policies.md#apigateway-security-policies-endpoint-access-mode).

## `x-amazon-apigateway-endpoint-access-mode` example
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The following example specifies the endpoint access mode to strict.

```
"x-amazon-apigateway-endpoint-access-mode": "STRICT"
```