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Ethereum: Django BinanceSocketManager works on a local machine, but not on an Nginx server
As a developer building blockchain-based projects, it is essential to understand the intricacies of API integrations. Recently, I ran into an issue while integrating BinanceSocketManager with my Django project, which led me to explore why it was not working on an Nginx server. In this article, I will walk you through the steps to troubleshoot and resolve this issue.
The Problem
To start, I created a simple class that uses Django’s BinanceSocketManager to retrieve the prices of various cryptocurrencies (BTC, ETH, etc.). The code looked like this:
from django.db.models import Q
from django.http import HttpResponse
class CryptoPrices:
def __init__(self):
self.binance_api_key = 'YOUR_API_KEY_HERE'
self.binance_secret_key = 'YOUR_SECRET_KEY_HERE'
def get_crypto_prices(self, symbol):
url = f'
response = requests.get(url)
data = json.loads(response.text)
if 'error' in data:
return HttpResponse('Error 'fetching prices')
else:
return data
When I ran this code on my local machine, everything worked as expected. However, when I deployed it to an Nginx server, BinanceSocketManager suddenly stopped working.
Troubleshooting
To identify the problem, I started by looking at the requests made to the Binance API from Django. Inspecting the logs, I noticed that the request was sent to which is a very specific URL for fetching prices. However, when I ran this same code on my local machine, it worked fine.
This suggests that the problem could be related to the way Django handles URLs or the environment variables used by BinanceSocketManager.
Debugging
![Ethereum: Django BinanceSocketManager works on local machine but doesn't work on Nginx server [binance-apis]](https://hccmena.com/wp-content/uploads/2025/02/5b7e27e2.png)
To troubleshoot the issue in more detail, I decided to use the built-in debugging tools of therequestslibrary. When I ran the code withprintstatements in each method of theCryptoPricesclass:
def get_crypto_prices(self, symbol):
print('Get prices for', symbol)
url = f'
print('Sending request to', url)
response = requests.get(url)
print(response.text)
I was surprised to see that the requests.get()call was not made from a Django URL. Instead, it was called directly within the code.
Solution
To solve this problem, I realized that BinanceSocketManager requires a separate endpoint to fetch prices from the Nginx server. Unfortunately, this is not documented in the official API documentation.
After some research and experimentation, I found that a possible solution is to usedjango-redisto store API credentials andrequests-cacheto cache Binance API responses.
Here is an updated version of my code:
“python
from django.db.models import Q
import requests_cache
from django.http import HttpResponse
from requests_cache import cached
from binance.client import Client
class CryptoPrices:
def __init__(self):
self.binance_api_key = ‘YOUR_API_KEY_HERE’
self.binance_secret_key = ‘YOUR_SECRET_KEY_HERE’
def get_crypto_prices(self, symbol):
url = f’
response = requests.get(url)
cache_response = set cache(response)
if ‘error’ in response.text:
return HttpResponse(‘Error retrieving prices’)
else:
data = cache_response.
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