Convert CURL API command to Python API using requests and json

Question

I am connecting through an API to receive data. From the website API documentation, the instructions use either two CURL methods to connect the API; however, I need to connect using python.

1st Method
Curl Example

curl -d '' -X POST 'https://api.bcda.cms.gov/auth/token' \
    -H "accept: application/json" \
    -H "authorization: Basic <Client_Secret>"

My Python Conversion:

import requests
import json

url = 'https://api.bcda.cms.gov/auth/token'
       headers = {"accept": "application/json", "authorization": 'Basic',
            '<API_Key>': '<API_Secret>'}

r = requests.post(url = url, data ={}, headers = headers)
   print(r)

2nd Method Curl

curl -d '' -X POST 'https://api.bcda.cms.gov/auth/token' \
    --user <Client_Key>:<Client_Secret> \
    -H "accept: application/json"

My 2nd Python conversion code:

import requests
import json

url = 'https://api.bcda.cms.gov/auth/token'

user = {"<Client_Key>":"<Client_Secret>", "accept": "application/json"}

r = requests.post(url = url, headers = user)

print(r)

I am receiving a 403 connection error, meaning "response status code indicates that the server understands the request but refuses to authorize it."

This may be of help: curlconverter.com

RJ Adriaansen
– RJ Adriaansen

2022-02-05 19:56:59 +00:00
Commented Feb 5, 2022 at 19:56 — RJ Adriaansen
– RJ Adriaansen, Commented Feb 5, 2022 at 19:56

Corralien · Accepted Answer · 2022-02-05 20:01:03Z

1

You should use auth parameter and not headers to convert --user option

headers = {'accept': 'application/json'}
r = requests.post(url=url, headers=headers, auth=(client_key, client_secret))

answered Feb 5, 2022 at 20:01

Corralien

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14 Comments

user17629522 Over a year ago

That worked! After you receive the "Client Token", How do you add this into the scripting?

Corralien Over a year ago

I suppose you have to use headers={'Authorization': client_token} at each request. The client token is probably returned in r

user17629522 Over a year ago

Does the client_token go in the header or in the auth?

Corralien Over a year ago

In the header for sure.

user17629522 Over a year ago

So kinda like this? headers = {'accept':'application/fhir+json', 'Prefer': 'respond-async', 'Authorization': 'Bearer {client_token}}

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