curl --request PUT \
  --url https://voice-api.onclarity.com/v1/projects/{projectId}/telephony/outbound-trunks/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "auth": {
    "type": "basic",
    "username": "clarity-outbound-2"
  },
  "transport": "tcp"
}
'

import requests

url = "https://voice-api.onclarity.com/v1/projects/{projectId}/telephony/outbound-trunks/{id}"

payload = {
    "auth": {
        "type": "basic",
        "username": "clarity-outbound-2"
    },
    "transport": "tcp"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({auth: {type: 'basic', username: 'clarity-outbound-2'}, transport: 'tcp'})
};

fetch('https://voice-api.onclarity.com/v1/projects/{projectId}/telephony/outbound-trunks/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "outbound_trunk": {
    "id": "9a8b7c6d-5e4f-4a3b-8c2d-1e0f9a8b7c6d",
    "project_id": "3f6c1a52-8d0e-4b8f-9a51-2c7d4e0b9f13",
    "name": "Carrier primary",
    "address": "sip.carrier.example.com",
    "auth": {
      "type": "basic",
      "username": "clarity-outbound-2",
      "has_secret": true
    },
    "status": "active",
    "transport": "tcp",
    "media_encryption": "enabled",
    "created_at": "Mon Nov 09 2026 13:58:20 GMT+0000 (Coordinated Universal Time)",
    "updated_at": "Wed Nov 11 2026 09:45:03 GMT+0000 (Coordinated Universal Time)"
  }
}

{
  "error": "Invalid or revoked token"
}

{
  "error": "<string>",
  "code": "<string>"
}

{
  "error": "<string>",
  "code": "<string>"
}

{
  "error": "<string>",
  "code": "<string>"
}

{
  "error": "password is required when enabling basic auth"
}