curl --request POST \
  --url https://dev.api.withconvexity.com/v1/oauth/token \
  --header 'Content-Type: application/json' \
  --data '
{
  "grant_type": "client_credentials",
  "client_secret": "{{clientSecret}}",
  "scope": ""
}
'

import requests

url = "https://dev.api.withconvexity.com/v1/oauth/token"

payload = {
    "grant_type": "client_credentials",
    "client_secret": "{{clientSecret}}",
    "scope": ""
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({grant_type: 'client_credentials', client_secret: '{{clientSecret}}', scope: ''})
};

fetch('https://dev.api.withconvexity.com/v1/oauth/token', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "access_token": "",
  "token_type": "Bearer",
  "expires_in": 600,
  "scope": "payments:read"
}

{
  "error": "invalid_request",
  "error_description": "Invalid literal value, expected \"client_credentials\""
}

{
  "error": "invalid_client",
  "error_description": "Missing API key. Use HTTP Basic auth or supply client_secret in the body."
}

{
  "error": "unauthorized_client",
  "error_description": "This API key is not permitted to request the 'payments' audience"
}

{
  "status": false,
  "message": "Too many requests. Please try again later.",
  "retryAfter": 42
}

{
  "error": "server_error",
  "error_description": "An unexpected error occurred"
}

{
  "error": "temporarily_unavailable",
  "error_description": "The authorization server is temporarily unable to handle the request"
}