curl --request POST \
  --url https://api.sharedgraph.com/api/auth/oauth2/token \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data grant_type=authorization_code \
  --data 'code=<string>' \
  --data 'redirect_uri=<string>' \
  --data 'code_verifier=<string>' \
  --data 'refresh_token=<string>' \
  --data 'scope=<string>'

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Basic <encoded-value>',
    'Content-Type': 'application/x-www-form-urlencoded'
  },
  body: new URLSearchParams({
    grant_type: 'authorization_code',
    code: '<string>',
    redirect_uri: '<string>',
    code_verifier: '<string>',
    refresh_token: '<string>',
    scope: '<string>'
  })
};

fetch('https://api.sharedgraph.com/api/auth/oauth2/token', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.sharedgraph.com/api/auth/oauth2/token"

payload = {
    "grant_type": "authorization_code",
    "code": "<string>",
    "redirect_uri": "<string>",
    "code_verifier": "<string>",
    "refresh_token": "<string>",
    "scope": "<string>"
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/x-www-form-urlencoded"
}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

{
  "access_token": "<string>",
  "expires_in": 123,
  "expires_at": 123,
  "token_type": "Bearer",
  "scope": "<string>",
  "refresh_token": "<string>",
  "id_token": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}

{
  "error": "unknown_or_immutable_field",
  "message": "<string>",
  "error_description": "<string>",
  "error_uri": "<string>"
}