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python requests token authentication

Narkw Brahma

Narkw Brahma

• 1 min read

Python Requests Token Authentication

Token authentication is a method of authentication that requires a token to be present in every request to the server. It is commonly used in modern web applications as it is more secure and flexible compared to other authentication methods.

If you are using Python Requests library to make HTTP requests, token authentication can be easily implemented.

Method 1: Adding Token to Header

The easiest way to implement token authentication is by adding the token to the header of each request.

import requests

url = 'https://www.example.com/api'
token = 'your_token'

headers = {
    'Authorization': f'Bearer {token}'
}

response = requests.get(url, headers=headers)

In the above code snippet, we are creating a dictionary called headers with the Authorization key and the token as its value. We then pass this dictionary as a parameter to the get() method of the requests library.

Method 2: Using Requests-OAuthlib Library

Requests-OAuthlib is a library that provides OAuth 1 and 2 authentication for Python Requests. It can be used to implement token authentication as well.

First, we need to install the requests-oauthlib library using pip:

!pip install requests_oauthlib

After installation, we can use the OAuth2Session class provided by the library to implement token authentication:

from requests_oauthlib import OAuth2Session

client_id = 'your_client_id'
client_secret = 'your_client_secret'
token_url = 'https://www.example.com/oauth/token'

oauth = OAuth2Session(client_id, redirect_uri='http://localhost:8000/callback/')
token = oauth.fetch_token(token_url=token_url, client_secret=client_secret)

url = 'https://www.example.com/api'
response = oauth.get(url)

In the above code snippet, we are first creating an instance of the OAuth2Session class with the client_id and redirect_uri as parameters. We then fetch the token using the fetch_token() method by passing the token_url and client_secret as parameters. Finally, we use the get() method to make a request to the API endpoint.

These are two of the most common methods of implementing token authentication using Python Requests. Choose the one that suits your use case the best.

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