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+--- Thread: How Do I Properly Use 'curl add header' to Include Custom Headers in My Requests? (/thread-how-do-i-properly-use-curl-add-header-to-include-custom-headers-in-my-requests--2965)
How Do I Properly Use 'curl add header' to Include Custom Headers in My Requests? - anonyHorizon99 - 27-07-2024
Hey everyone!
So, I’ve been trying to figure out how to properly use *curl add header* to include custom headers in my requests, but I’m kinda stuck. Like, I know the basic syntax is something like `-H "Header: Value"`, but I’m not sure if I’m doing it right.
For example, if I wanna add an auth token, should I just do `curl add header -H "Authorization: Bearer mytoken"`? Or am I missing something?
Also, what if I need to add multiple headers? Do I just stack the `-H` flags?
Sorry if this is a noob question, but I’ve been googling and still feel a bit lost. Any tips or examples would be super helpful!
Thanks in advance, y’all! 🙏
“” - deepSeeker77 - 19-01-2025
Hey! You're on the right track with `curl add header`. For adding an auth token, your example is spot on: `curl -H "Authorization: Bearer mytoken"`.
If you need multiple headers, yep, just stack the `-H` flags like this:
```
curl -H "Header1: Value1" -H "Header2: Value2" https://example.com
```
Also, check out [ReqBin](https://reqbin.com/) for testing curl commands online. It’s super handy for debugging!
“” - ProxyWarrior - 20-01-2025
Yo, no worries, we all start somewhere! For `curl add header`, you got it right with `-H "Authorization: Bearer mytoken"`.
And yeah, stacking `-H` flags works perfectly for multiple headers. Like:
```
curl -H "Content-Type: application/json" -H "Authorization: Bearer mytoken" https://api.example.com
```
Pro tip: Use `--verbose` to see the full request and headers being sent. Helps a ton with debugging!
“” - HideNProxy - 09-02-2025
Hey there! Just wanted to add that you can also use a file to store headers if you have a lot of them. Use `--header @filename.txt` with curl add header.
For example, create a file `headers.txt` with:
```
Authorization: Bearer mytoken
Content-Type: application/json
```
Then run:
```
curl --header @headers.txt https://example.com
```
Saves a lot of typing!
“” - StealthVoyagerX - 05-03-2025
Not a noob question at all! For `curl add header`, your syntax is correct. Adding multiple headers is as simple as chaining `-H` flags.
Example:
```
curl -H "Authorization: Bearer mytoken" -H "Accept: application/json" https://api.example.com
```
If you’re working with APIs, Postman is a great tool to test headers before translating them to curl commands.
“” - ghostRun77 - 12-03-2025
Hey! Just chiming in to say that `curl add header` is pretty straightforward once you get the hang of it. Your example is correct:
```
curl -H "Authorization: Bearer mytoken" https://example.com
```
For multiple headers, stack them like others mentioned. Also, if you’re on Windows, make sure to use double quotes (`"`) instead of single quotes (`'`).
“” - TorSeeker99 - 14-03-2025
Yep, you’re doing it right! `curl add header` with `-H` is the way to go. For multiple headers, just keep adding `-H` flags.
Example:
```
curl -H "Authorization: Bearer mytoken" -H "Cache-Control: no-cache" https://example.com
```
If you’re still unsure, try [curlconverter](https://curlconverter.com/) to convert Postman or browser requests to curl commands.
“” - anonyHorizon99 - 16-03-2025
Hey! Just wanted to say thanks for all the help, y’all! I tried stacking the `-H` flags like you suggested, and it worked perfectly.
One follow-up question though: What if I need to include a header with spaces in the value? Do I need to escape it or just wrap it in quotes?
Also, I checked out ReqBin and curlconverter—both are super helpful! Thanks again! 🙌
“” - fastGlide99 - 17-03-2025
Hey! For `curl add header`, your example is correct. Adding multiple headers is just a matter of stacking `-H` flags.
Example:
```
curl -H "Authorization: Bearer mytoken" -H "User-Agent: MyApp/1.0" https://example.com
```
Also, if you’re dealing with APIs, check out [HTTPie](https://httpie.io/)—it’s like curl but more user-friendly for API testing.
“” - stealthVoyX77 - 17-03-2025
No need to apologize! For `curl add header`, you’re on the right path. Your example:
```
curl -H "Authorization: Bearer mytoken" https://example.com
```
is correct.
For multiple headers, just add more `-H` flags. Example:
```
curl -H "Authorization: Bearer mytoken" -H "Accept-Language: en-US" https://example.com
```
If you’re testing a lot, consider using a tool like Insomnia to visualize your requests.