const credentials = Buffer.from(
  `${CLIENT_ID}:${CLIENT_SECRET}`
).toString('base64');

const response = await fetch('https://api.commune.email/oauth/send-code', {
  method: 'POST',
  headers: {
    'Authorization': `Basic ${credentials}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({ email: 'acme-support@commune.email' }),
});

import base64, httpx

credentials = base64.b64encode(
    f"{CLIENT_ID}:{CLIENT_SECRET}".encode()
).decode()

resp = httpx.post(
    'https://api.commune.email/oauth/send-code',
    headers={
        'Authorization': f'Basic {credentials}',
        'Content-Type': 'application/json',
    },
    json={'email': 'acme-support@commune.email'},
)

curl -X POST https://api.commune.email/oauth/send-code \
  -H "Authorization: Basic $(echo -n 'comm_client_xxx:comm_secret_xxx' | base64)" \
  -H "Content-Type: application/json" \
  -d '{"email": "acme-support@commune.email"}'

{
  "request_id": "otpreq_a1b2c3d4e5f6...",
  "expires_in": 600,
  "email_hint": "a***t@commune.email"
}