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python requests post oauth2

Narkw Brahma

Narkw Brahma

• 1 min read

Python Requests Post OAuth2

If you are looking to make API calls that require authentication, OAuth2 is one of the most popular methods. Python's Requests library is widely used for making HTTP requests in Python, and it also supports OAuth2 authentication. Here's how you can use Requests to make a POST request with OAuth2 authentication:

Step 1: Install Required Libraries

You will need to install the Requests library and the OAuth2 library:


    pip install requests
    pip install requests-oauthlib

Step 2: Import Libraries

Import the necessary libraries:


    import requests
    from requests_oauthlib import OAuth2

Step 3: Set Up OAuth2

You will need to set up OAuth2 credentials for the API you are trying to access. This usually involves registering your application with the API provider and obtaining a client ID and secret. Once you have these credentials, you can use the OAuth2 library to set up the authentication:


    client_id = 'your_client_id'
    client_secret = 'your_client_secret'
    access_token_url = 'https://api.provider.com/oauth2/token'
    authorize_url = 'https://api.provider.com/oauth2/authorize'
    
    oauth2 = OAuth2(client_id, client_secret, access_token_url=access_token_url, authorize_url=authorize_url)
    token = oauth2.fetch_token(token_url=access_token_url, client_id=client_id, client_secret=client_secret)

This will fetch an access token using your client ID and secret. You can then use this access token to make API calls.

Step 4: Make the POST Request

Once you have set up the OAuth2 authentication, you can make the POST request using Requests:


    url = 'https://api.provider.com/some_endpoint'
    payload = {'key1': 'value1', 'key2': 'value2'}
    
    headers = {'Authorization': 'Bearer ' + token['access_token']}
    response = requests.post(url, headers=headers, json=payload)
    
    print(response.status_code)
    print(response.json())

Alternative Method: Using Requests-OAuthlib Library

The Requests-OAuthlib library provides an alternative way to use OAuth2 authentication with Requests. Here's how you can use it:


    from requests_oauthlib import OAuth2Session
    
    client_id = 'your_client_id'
    client_secret = 'your_client_secret'
    access_token_url = 'https://api.provider.com/oauth2/token'
    authorize_url = 'https://api.provider.com/oauth2/authorize'
    
    oauth2 = OAuth2Session(client_id, redirect_uri='http://localhost:8000/callback/')
    authorization_url, state = oauth2.authorization_url(authorize_url)
    token = oauth2.fetch_token(access_token_url, client_secret=client_secret)
    
    url = 'https://api.provider.com/some_endpoint'
    payload = {'key1': 'value1', 'key2': 'value2'}
    
    headers = {'Authorization': 'Bearer ' + token['access_token']}
    response = oauth2.post(url, headers=headers, json=payload)
    
    print(response.status_code)
    print(response.json())

This method involves setting up an OAuth2Session object and using it to fetch the access token and make the API call.

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