코드로 컬링

cURL 명령을 JavaScript, Python, Go, PHP, Rust 등으로 변환합니다.

무료 온라인 cURL-코드 변환기

API 문서에서는 종종 cURL 명령으로 예제를 보여줍니다. Dokall는 이러한 명령을 JavaScript 가져오기, Python 요청, Go, PHP, Rust 및 프로젝트에 직접 붙여넣을 수 있는 기타 언어 조각으로 변환합니다.

브라우저 DevTools 또는 API 문서에서 cURL 명령을 붙여넣고 대상 언어를 선택한 다음 생성된 코드를 복사합니다. API 통합 프로토타입을 제작할 때 시간을 절약합니다.

What is cURL?

cURL (Client URL) is a command-line tool for transferring data with URLs. It supports HTTP, HTTPS, FTP, and many other protocols. On most systems, it is pre-installed - you can run curl in any terminal on macOS, Linux, or Windows (PowerShell).

cURL is the lingua franca of API documentation. When an API shows an example request, it is almost always a cURL command. Browser DevTools let you copy any network request as cURL. This makes cURL the universal format for sharing and reproducing HTTP requests, even if you never use cURL directly in production code.

Common cURL Options

-X (or --request) sets the HTTP method: -X POST, -X PUT, -X DELETE. GET is the default if no method is specified.

-H (or --header) adds a request header: -H "Content-Type: application/json" -H "Authorization: Bearer token123".

-d (or --data) sends a request body and implies POST: -d '{"name":"test"}'. Use --data-raw for literal data without interpretation of @ as a file reference.

-F (or --form) sends multipart form data: -F "file=@photo.jpg" -F "caption=My photo". Each -F flag adds a form field.

-o (or --output) saves the response to a file: -o response.json. -O uses the remote filename.

-v (or --verbose) shows the full request and response headers - invaluable for debugging.

-s (or --silent) hides the progress bar. -S (or --show-error) shows errors even in silent mode. Combine them: -sS.

-L (or --location) follows redirects. Without it, cURL returns the 301/302 response instead of following the redirect.

Copying cURL Commands from the Browser

Every modern browser lets you copy a network request as a cURL command. In Chrome, Firefox, or Edge: open DevTools (F12), go to the Network tab, make the request you want to capture, right-click the request, and select "Copy as cURL".

The copied command includes the URL, method, all headers (including cookies and auth tokens), and the request body. This is the fastest way to reproduce a browser request in your code or share it with a teammate for debugging.

Important: the copied command often includes session cookies and authorization tokens. Remove sensitive headers before sharing. Replace real tokens with placeholders like "Bearer YOUR_TOKEN_HERE" when pasting into documentation or chat.

cURL for API Testing

cURL is the quickest way to test an API endpoint without writing code. Start with the API documentation's example cURL command, modify the parameters, and run it in your terminal.

For JSON APIs, include the Content-Type header: curl -X POST -H "Content-Type: application/json" -d '{"email":"test@example.com"}' https://api.example.com/users.

To see response headers along with the body, add -i. To see the full request/response exchange, add -v. To format JSON output, pipe through jq: curl -s https://api.example.com/users | jq .

When testing APIs that require authentication, store the token in a variable: TOKEN="your_token" and reference it: curl -H "Authorization: Bearer $TOKEN" https://api.example.com/me. This keeps your command history clean and makes it easy to switch tokens.

From cURL to Production Code

A cURL command that works in the terminal is a proven request specification - you know the endpoint, headers, method, and body are correct. Converting it to your language's HTTP client is the next step.

Dokall converts cURL to JavaScript (fetch and axios), Python (requests and http.client), Go (net/http), PHP (cURL extension), Rust (reqwest), and more. The generated code handles header formatting, body serialization, and method specification for each language's conventions.

After converting, review the generated code and adjust for production use: add error handling, set timeouts, use environment variables for API keys (never hardcode secrets), implement retry logic for transient failures, and add logging. The converted code is a starting point - not production-ready code.

For frequently used API calls, wrap the converted code in a function with typed parameters and return values. This creates a clean API client that other parts of your application can call without knowing the HTTP details.

Frequently Asked Questions

What does cURL stand for?
cURL stands for "Client URL" (originally "see URL"). It was created by Daniel Stenberg in 1998 and is one of the most widely installed software tools in the world. The project includes both the curl command-line tool and the libcurl library used by thousands of applications.
How do I copy a cURL command from Chrome DevTools?
Open DevTools (F12 or Cmd+Option+I on Mac), go to the Network tab, trigger the request you want to capture, right-click the request in the list, and select "Copy" then "Copy as cURL". The command includes the full URL, headers, cookies, method, and body. Remove sensitive tokens before sharing.
What is the difference between -d and --data-raw in cURL?
With -d (or --data), if the value starts with @, cURL reads the data from a file: -d @payload.json sends the contents of payload.json. --data-raw treats the value as literal data, even if it starts with @: --data-raw '@username' sends the literal string @username. Use --data-raw when your data might contain @ characters.
How do I send JSON with cURL?
Set the Content-Type header and pass the JSON body: curl -X POST -H "Content-Type: application/json" -d '{"name":"test","value":42}' https://api.example.com/items. On Windows, use double quotes and escape inner quotes: -d "{\"name\":\"test\"}" or use --data-raw with a file: --data-raw @payload.json.
How do I use cURL with authentication?
For Bearer tokens: -H "Authorization: Bearer YOUR_TOKEN". For Basic auth: -u username:password (cURL Base64-encodes it automatically). For API keys in headers: -H "X-API-Key: YOUR_KEY". For OAuth: the process varies by provider, but the final API calls typically use Bearer tokens.
Can cURL follow redirects?
Yes, add the -L (or --location) flag. By default, cURL returns the redirect response (301, 302) without following it. With -L, cURL follows the redirect chain up to the default limit (50 redirects). Set a custom limit with --max-redirs: -L --max-redirs 5.
How do I save cURL output to a file?
Use -o to specify a filename: curl -o response.json https://api.example.com/data. Use -O to save with the remote filename (derived from the URL). To save both headers and body, use -D headers.txt -o body.json. To see output in the terminal and save to a file simultaneously, pipe through tee: curl https://api.example.com/data | tee response.json.

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