curl --request GET \
  --url https://sandbox-api.sakawave.example/v1/bill-payments/groups/{groupId}/billers/{billerId} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://sandbox-api.sakawave.example/v1/bill-payments/groups/{groupId}/billers/{billerId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://sandbox-api.sakawave.example/v1/bill-payments/groups/{groupId}/billers/{billerId}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "id": "01KZXPYGX5VZXDH9VHJ4YTPCB9",
  "groupId": "01KZXPYGX5VZXDH9VHJ4YTPCA8",
  "name": "Example Telco",
  "slug": "example-telco",
  "logo": null,
  "requireVerification": false,
  "status": "active"
}

{
  "statusCode": 400,
  "message": "Must be a valid identifier.",
  "code": "validation_failed",
  "errors": [
    {
      "message": "Must be a valid identifier.",
      "field": "accountId",
      "code": "custom",
      "path": [
        "accountId"
      ]
    }
  ]
}

{
  "statusCode": 401,
  "code": "INVALID_API_KEY",
  "message": "Invalid or inactive API credentials."
}

{
  "statusCode": 404,
  "code": "resource_not_found",
  "message": "Resource not found."
}

{
  "statusCode": 429,
  "message": "Too many API requests. Try again later.",
  "code": "api_key_rate_limit_exceeded",
  "retryAfterSeconds": 17
}

{
  "statusCode": 500,
  "code": "internal_server_error",
  "message": "An unexpected error occurred."
}