How to Send HTTP Headers With cURL
cURL is a powerful command-line tool for making HTTP requests, and it is particularly useful for sending custom HTTP headers. This guide on how to send HTTP headers with cURL will show you how to use cURL to modify the headers of your requests, which is essential for web scraping and API testing. We will cover how to add, modify, and remove headers to customize your requests. This guide on how to send HTTP headers with cURL is designed for users of all levels.
Definition and Overview
This guide on how to send HTTP headers with cURL will explain that HTTP headers are key-value pairs that are sent along with an HTTP request or response. They are used to provide additional information about the request or response, such as the user agent, the content type, and the authentication credentials. This guide on how to send HTTP headers with cURL will show you how to use the `-H` or `--header` option to send custom headers with your requests. This guide on how to send HTTP headers with cURL will provide you with the knowledge you need to use this powerful feature.
Comprehensive Guide
To send a custom HTTP header with cURL, you first need to know the name and value of the header that you want to send. This guide on how to send HTTP headers with cURL will show you how to use the `-H` option to specify the header. For example, you can use `curl -H "User-Agent: MyCustomUserAgent" http://example.com`. This guide on how to send HTTP headers with cURL will also show you how to send multiple headers by using the `-H` option multiple times. Finally, this guide on how to send HTTP headers with cURL will show you how to modify or remove existing headers. By following the advice in this guide, you can easily send custom HTTP headers with cURL for all of your web development and web scraping needs.
Puppeteer Example
import { Puppeteer } from '@scrapeless-ai/sdk';
const browser = await Puppeteer.connect({
apiKey: 'YOUR_API_KEY',
sessionName: 'sdk_test',
sessionTTL: 180,
proxyCountry: 'ANY',
sessionRecording: true,
defaultViewport: null,
});
const page = await browser.newPage();
await page.goto('https://www.scrapeless.com');
console.log(await page.title());
await browser.close();
Playwright Example
import { Playwright } from '@scrapeless-ai/sdk';
const browser = await Playwright.connect({
apiKey: 'YOUR_API_KEY',
proxyCountry: 'ANY',
sessionName: 'sdk_test',
sessionRecording: true,
sessionTTL: 180,
});
const context = browser.contexts()[0];
const page = await context.newPage();
await page.goto('https://www.scrapeless.com');
console.log(await page.title());
await browser.close();
Related Topics
Frequently Asked Questions
What are HTTP headers?
This guide on how to send HTTP headers with cURL explains that they are key-value pairs that are sent along with an HTTP request or response. They are used to provide additional information about the request or response.
Why should I send custom HTTP headers with cURL?
As this guide on how to send HTTP headers with cURL explains, sending custom headers can help you to bypass anti-scraping measures, test APIs, and customize your requests.
How do I send multiple headers with cURL?
This guide on how to send HTTP headers with cURL shows that you can use the `-H` option multiple times to send multiple headers.
Can I modify or remove existing headers with cURL?
Yes, as this guide on how to send HTTP headers with cURL shows, you can modify or remove existing headers by specifying the header name followed by a colon and no value.
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