cURL Cheatsheet
A quick reference for common cURL commands and flags.
Authentication
| Command | Description |
|---|---|
curl -u [user:password] [url] |
Send a request with Basic Authentication. |
curl -H "Authorization: Bearer [token]" [url] |
Send a request with a Bearer Token. |
Basic Usage
| Command | Description |
|---|---|
curl [url] |
Make a simple GET request to the specified URL. |
curl -o [filename] [url] |
Download a file and save it with the given filename. |
curl -O [url] |
Download a file and save it with its original filename. |
HTTP Methods
| Command | Description |
|---|---|
curl -X POST [url] |
Make a POST request. |
curl -X PUT [url] |
Make a PUT request. |
curl -X DELETE [url] |
Make a DELETE request. |
Headers & Data
| Command | Description |
|---|---|
curl -H "Content-Type: application/json" [url] |
Send a request with a custom HTTP header. |
curl -d "param1=value1¶m2=value2" [url] |
Send data in a POST request (form-urlencoded). |
curl -d @data.json -H "Content-Type: application/json" [url] |
Send data from a file (e.g., JSON). |
Other Useful Flags
| Command | Description |
|---|---|
curl -i [url] |
Include the HTTP response headers in the output. |
curl -L [url] |
Follow any redirects. |
curl -v [url] |
Verbose output, useful for debugging. |