--- 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 { abstract 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>