curl --request GET \
  --url https://virtserver.swaggerhub.com/BangoProducts/Subscriptions-API/1.4.0/plan/{planId} \
  --header 'Authorization: Basic <encoded-value>'

const options = {method: 'GET', headers: {Authorization: 'Basic <encoded-value>'}};

fetch('https://virtserver.swaggerhub.com/BangoProducts/Subscriptions-API/1.4.0/plan/{planId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://virtserver.swaggerhub.com/BangoProducts/Subscriptions-API/1.4.0/plan/{planId}"

headers = {"Authorization": "Basic <encoded-value>"}

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

print(response.text)

{
  "responseCode": "OK",
  "responseMessage": "Success",
  "planId": "123e4567-e89b-12d3-a456-426614174000",
  "productName": "bango-music",
  "planName": "bango-music-3-months-free",
  "planPhases": [
    {
      "type": "TRIAL",
      "billingPeriod": "MONTHLY",
      "price": {
        "amount": 0,
        "currency": "USD"
      },
      "sequence": 0,
      "billDescription": "Bango Music 3 months on us",
      "duration": "P3M"
    }
  ]
}

{
  "responseCode": "BAD_REQUEST",
  "responseMessage": "Invalid request"
}

{
  "responseCode": "UNAUTHORIZED",
  "responseMessage": "Invalid access credential"
}

{
  "responseCode": "NOT_FOUND",
  "responseMessage": "Plan not found"
}

{
  "responseCode": "TOO_MANY_REQUESTS",
  "responseMessage": "Request limit reached. Please try again later"
}

{
  "responseCode": "INTERNAL_ERROR",
  "responseMessage": "The server encountered an unexpected condition which prevented it from fulfilling the request"
}

{
  "responseCode": "SERVICE_UNAVAILABLE",
  "responseMessage": "The server is undergoing maintenance and is not available. Please, try again later"
}