Get information about a plain mail ID (contains only mailing id)

curl --request GET \
     --url https://api.campaign.episerver.net/rest/{clientId}/mailid/{mailId}/plain \
     --header 'accept: application/json'

var myHeaders = new Headers();
myHeaders.append("accept", "application/json");
myHeaders.append("content-type", "application/json");

var requestOptions = {
   method: 'GET',
   headers: myHeaders,
   redirect: 'follow'
};

fetch("https://api.campaign.episerver.net/rest/{clientId}/mailid/{mailId}/plain", requestOptions)
   .then(response => response.text())
   .then(result => console.log(result))
   .catch(error => console.log('error', error));

require "uri"
require "json"
require "net/http"

url = URI("https://api.campaign.episerver.net/rest/{clientId}/mailid/{mailId}/plain")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Get.new(url)
request["accept"] = "application/json"
request["content-type"] = "application/json"

response = https.request(request)
puts response.read_body

import requests
import json

url = "https://api.campaign.episerver.net/rest/{clientId}/mailid/{mailId}/plain"

payload = {}
headers = {
   'accept': 'application/json',
   'content-type': 'application/json'
}

response = requests.request("GET", url, headers=headers, data=payload)

print(response.text)

// The mail ID information was retrieved successfully.
{
  "mailingId": "",
  "links": [
    {
      "uriBuilder": {},
      "rels": [
        ""
      ],
      "rel": "",
      "type": "",
      "params": "",
      "title": "",
      "uri": ""
    }
  ]
}

// The mail ID is invalidly encoded or the indicated mail ID is not assigned to the indicated client. Ensure that "clientId" and "mailId" are correct and that "mailId" is assigned to the indicated client.