curl --request PATCH \
  --url https://guidinghand.ai/v1/phone_numbers/{phone_number_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "agent_id": "billing"
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({agent_id: 'billing'})
};

fetch('https://guidinghand.ai/v1/phone_numbers/{phone_number_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://guidinghand.ai/v1/phone_numbers/{phone_number_id}"

payload = { "agent_id": "billing" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "object": "phone_number",
  "id": "pn_3f9a0c1d2e4b5a6978c1d2e3",
  "number": "+14155550123",
  "display": "(415) 555-0123",
  "agent_id": "billing",
  "connection_id": "<string>",
  "status": "active",
  "created_at": "2023-11-07T05:31:56Z",
  "name": "Front desk",
  "connection_name": "<string>"
}

{
  "error": {
    "type": "invalid_request",
    "message": "<string>",
    "code": "<string>",
    "test_case_ids": [
      "<string>"
    ],
    "decided_by": {
      "type": "person",
      "email": "<string>",
      "key_id": "<string>"
    },
    "conversation_id": "<string>",
    "agent_id": "<string>",
    "approval_id": "<string>",
    "question_id": "<string>"
  }
}

{
  "error": {
    "type": "invalid_request",
    "message": "<string>",
    "code": "<string>",
    "test_case_ids": [
      "<string>"
    ],
    "decided_by": {
      "type": "person",
      "email": "<string>",
      "key_id": "<string>"
    },
    "conversation_id": "<string>",
    "agent_id": "<string>",
    "approval_id": "<string>",
    "question_id": "<string>"
  }
}

{
  "error": {
    "type": "invalid_request",
    "message": "<string>",
    "code": "<string>",
    "test_case_ids": [
      "<string>"
    ],
    "decided_by": {
      "type": "person",
      "email": "<string>",
      "key_id": "<string>"
    },
    "conversation_id": "<string>",
    "agent_id": "<string>",
    "approval_id": "<string>",
    "question_id": "<string>"
  }
}

{
  "error": {
    "type": "invalid_request",
    "message": "<string>",
    "code": "<string>",
    "test_case_ids": [
      "<string>"
    ],
    "decided_by": {
      "type": "person",
      "email": "<string>",
      "key_id": "<string>"
    },
    "conversation_id": "<string>",
    "agent_id": "<string>",
    "approval_id": "<string>",
    "question_id": "<string>"
  }
}