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cURL to Python Converter (requests)
Frequently Asked Questions
What is cURL and what is it used for?
cURL is a command-line tool for transferring data using network protocols like HTTP, HTTPS, FTP, and more. It is widely used for testing REST APIs, downloading files, sending data to servers, and debugging network communications. It comes pre-installed on virtually all Linux and macOS systems, and is available for Windows. Converting cURL commands to Python makes it easier to integrate these operations into automation scripts, tests, and applications.
How to convert a cURL command to Python?
Paste your full cURL command in the text area and click "Convert to Python". The converter automatically parses the HTTP method (GET, POST, PUT, DELETE), URL, headers (-H), data (-d) and generates ready-to-use Python code. Example:
cURL:
curl -X POST https://api.example.com/data -H "Authorization: Bearer token123" -H "Content-Type: application/json" -d '{"name": "test"}'
Generated Python:
import requests
url = "https://api.example.com/data"
headers = {"Authorization": "Bearer token123", "Content-Type": "application/json"}
data = '{"name": "test"}'
response = requests.post(url, headers=headers, data=data)
Which Python library is used for HTTP requests?
The converter generates code using the requests library, the most popular and recommended library for making HTTP requests in Python. requests is known for its simple and intuitive API: requests.get(), requests.post(), requests.put(), requests.delete(). Alternatives include httpx (supports async/await) and urllib (Python standard library), but requests remains the preferred choice for its ease of use and readability.
What HTTP methods does the converter support?
The converter supports the most common HTTP methods: GET, POST, PUT, DELETE, and PATCH. It automatically detects the method from the -X or --request flag in the cURL command. If no method is specified and -d (data) is included, it assumes POST. If nothing is specified, it assumes GET. Each method is translated to its corresponding requests function: requests.get(), requests.post(), requests.put(), requests.delete(), requests.patch().
How do you authenticate APIs with requests in Python?
Authentication in requests is handled in several ways. The most common is via HTTP headers like Authorization: Bearer <token> which the converter parses directly from the -H flag. You can also use the auth= parameter for Basic Auth: requests.get(url, auth=("user", "pass")). For API keys in the URL: requests.get("https://api.example.com?api_key=123"). The converter supports any header you include in the cURL command, including JWT tokens, API keys, and Basic Auth.
What is the difference between cURL and Python requests?
cURL is a command-line tool ideal for quick testing, debugging, and shell scripting. Python requests is a programming library that allows integrating HTTP requests into Python applications with full programmatic control. requests offers advantages like exception handling, persistent sessions, connection pooling, automatic SSL verification, and compatibility with testing frameworks like pytest. Converting cURL to Python is useful when migrating from quick prototypes to production code.
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