puppeteer/docs/api/puppeteer.page.setextrahttpheaders.md

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---
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 shouldnt impact your server code.)
:::
:::note
page.setExtraHTTPHeaders does not guarantee the order of headers in the outgoing requests.
:::
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#### Signature:
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```typescript
class Page {
abstract setExtraHTTPHeaders(headers: Record<string, string>): Promise<void>;
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}
```
## Parameters
<table><thead><tr><th>
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Parameter
</th><th>
Type
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
headers
</td><td>
Record&lt;string, string&gt;
</td><td>
An object containing additional HTTP headers to be sent with every request. All header values must be strings.
</td></tr>
</tbody></table>
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**Returns:**
Promise&lt;void&gt;