curl --request POST \
  --url https://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "metric": "CCR",
  "rating_scale": "CB21",
  "effective_date": 20250930,
  "lookback_period": 6,
  "lookback_unit": "months",
  "scope": {
    "portfolio": {
      "CB_ID": [
        "CB0000022706",
        "CB0000022177"
      ]
    }
  },
  "result_filter": {
    "sort": [
      {
        "field": "CB_CCR_Change",
        "direction": "asc"
      }
    ],
    "limit": 25
  }
}
'

import requests

url = "https://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange"

payload = {
    "metric": "CCR",
    "rating_scale": "CB21",
    "effective_date": 20250930,
    "lookback_period": 6,
    "lookback_unit": "months",
    "scope": { "portfolio": { "CB_ID": ["CB0000022706", "CB0000022177"] } },
    "result_filter": {
        "sort": [
            {
                "field": "CB_CCR_Change",
                "direction": "asc"
            }
        ],
        "limit": 25
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    metric: 'CCR',
    rating_scale: 'CB21',
    effective_date: 20250930,
    lookback_period: 6,
    lookback_unit: 'months',
    scope: {portfolio: {CB_ID: ['CB0000022706', 'CB0000022177']}},
    result_filter: {sort: [{field: 'CB_CCR_Change', direction: 'asc'}], limit: 25}
  })
};

fetch('https://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange', 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://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'metric' => 'CCR',
    'rating_scale' => 'CB21',
    'effective_date' => 20250930,
    'lookback_period' => 6,
    'lookback_unit' => 'months',
    'scope' => [
        'portfolio' => [
                'CB_ID' => [
                                'CB0000022706',
                                'CB0000022177'
                ]
        ]
    ],
    'result_filter' => [
        'sort' => [
                [
                                'field' => 'CB_CCR_Change',
                                'direction' => 'asc'
                ]
        ],
        'limit' => 25
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange"

	payload := strings.NewReader("{\n  \"metric\": \"CCR\",\n  \"rating_scale\": \"CB21\",\n  \"effective_date\": 20250930,\n  \"lookback_period\": 6,\n  \"lookback_unit\": \"months\",\n  \"scope\": {\n    \"portfolio\": {\n      \"CB_ID\": [\n        \"CB0000022706\",\n        \"CB0000022177\"\n      ]\n    }\n  },\n  \"result_filter\": {\n    \"sort\": [\n      {\n        \"field\": \"CB_CCR_Change\",\n        \"direction\": \"asc\"\n      }\n    ],\n    \"limit\": 25\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"metric\": \"CCR\",\n  \"rating_scale\": \"CB21\",\n  \"effective_date\": 20250930,\n  \"lookback_period\": 6,\n  \"lookback_unit\": \"months\",\n  \"scope\": {\n    \"portfolio\": {\n      \"CB_ID\": [\n        \"CB0000022706\",\n        \"CB0000022177\"\n      ]\n    }\n  },\n  \"result_filter\": {\n    \"sort\": [\n      {\n        \"field\": \"CB_CCR_Change\",\n        \"direction\": \"asc\"\n      }\n    ],\n    \"limit\": 25\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://gateway.creditbenchmark.com/analytics/v2/data/entityratingchange")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"metric\": \"CCR\",\n  \"rating_scale\": \"CB21\",\n  \"effective_date\": 20250930,\n  \"lookback_period\": 6,\n  \"lookback_unit\": \"months\",\n  \"scope\": {\n    \"portfolio\": {\n      \"CB_ID\": [\n        \"CB0000022706\",\n        \"CB0000022177\"\n      ]\n    }\n  },\n  \"result_filter\": {\n    \"sort\": [\n      {\n        \"field\": \"CB_CCR_Change\",\n        \"direction\": \"asc\"\n      }\n    ],\n    \"limit\": 25\n  }\n}"

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

{
  "CB_ID": [
    "CB0000075935",
    "CB0000035484"
  ],
  "CB_Legal_Name": [
    "VANGUARD MARKETING CORP",
    "NATIONAL BANK FINANCIAL INC"
  ],
  "CB_CCR": [
    "bbb-",
    "a-"
  ],
  "CB_CCR_6M": [
    "bbb",
    "a-"
  ],
  "CB_CCR_PD": [
    0.00322,
    0.00119
  ],
  "CB_CCR_PD_6M": [
    0.00212,
    0.00119
  ],
  "CB_CCR_Change": [
    -1,
    0
  ],
  "CB_CCR_PD_Change": [
    0.0011,
    0
  ],
  "CB_CCR_Change_With_OCI": [
    0,
    0
  ]
}

{
  "error": "Invalid request parameters: scope requires at least 'portfolio' or 'filters'."
}

{
  "detail": "Unauthorized request"
}

{
  "error": "Client-backed analytics inputs require contributor entitlement."
}

{
  "detail": [
    {
      "loc": [
        "body",
        "effective_date"
      ],
      "msg": "Input should be a valid integer",
      "type": "int_parsing"
    }
  ]
}

{
  "error": "Rate limit exceeded",
  "detail": "60 per 1 minute"
}

{
  "error": "An error occurred while processing your request. Please try again later."
}