--- sidebar_label: Page.setExtraHTTPHeaders --- # Page.setExtraHTTPHeaders() method The extra HTTP headers will be sent with every request the page initiates. :::tip All HTTP header names are lowercased. (HTTP headers are case-insensitive, so this shouldn’t impact your server code.) ::: :::note page.setExtraHTTPHeaders does not guarantee the order of headers in the outgoing requests. ::: **Signature:** ```typescript class Page { setExtraHTTPHeaders(headers: Record): Promise; } ``` ## Parameters | Parameter | Type | Description | | --------- | ---------------------------- | -------------------------------------------------------------------------------------------------------------- | | headers | Record<string, string> | An object containing additional HTTP headers to be sent with every request. All header values must be strings. | **Returns:** Promise<void>