curl --request GET \
  --url https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/ \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/"

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

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

print(response.text)

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

fetch('https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandboxapi.kelviq.com/api/v1/subscriptions/{subscriptionId}/retention/")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "enabled": true,
  "writtenFeedback": {
    "enabled": true,
    "question": "What could we have done better?"
  },
  "reasons": [
    {
      "reason": "TOO_EXPENSIVE",
      "offer": {
        "type": "DISCOUNT",
        "percentageOff": 20,
        "billingCycles": 3,
        "eligible": true,
        "ineligibleReason": null
      }
    },
    {
      "reason": "UNUSED",
      "offer": {
        "type": "PAUSE",
        "durations": [
          {
            "months": 1,
            "billingResumesOn": "2026-12-01"
          },
          {
            "months": 3,
            "billingResumesOn": "2027-02-01"
          }
        ],
        "eligible": true,
        "ineligibleReason": null
      }
    },
    {
      "reason": "CUSTOMER_SERVICE",
      "offer": {
        "type": "SUPPORT",
        "url": "https://cal.com/acme/15min",
        "eligible": true,
        "ineligibleReason": null
      }
    },
    {
      "reason": "MISSING_FEATURES",
      "offer": null
    },
    {
      "reason": "SWITCHED_SERVICE",
      "offer": null
    },
    {
      "reason": "LOW_QUALITY",
      "offer": null
    },
    {
      "reason": "TOO_COMPLEX",
      "offer": null
    },
    {
      "reason": "OTHER",
      "offer": null
    }
  ]
}

{
  "detail": "This offer has already been used on this subscription."
}