{
  "startedDateTime": "2021-09-21T02:37:26.317Z",
  "clientIPAddress": "44.197.197.23",
  "method": "GET",
  "url": "http://mockbin.com/request",
  "httpVersion": "HTTP/1.1",
  "cookies": {},
  "headers": {
    "host": "mockbin.com",
    "connection": "close",
    "accept-encoding": "gzip",
    "x-forwarded-for": "44.197.197.23, 172.70.34.37",
    "cf-ray": "691fe95f6f995992-IAD",
    "x-forwarded-proto": "http",
    "cf-visitor": "{\"scheme\":\"http\"}",
    "user-agent": "CCBot/2.0 (https://commoncrawl.org/faq/)",
    "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
    "accept-language": "en-US,en;q=0.5",
    "if-modified-since": "Wed, 16 Jun 2021 23:29:14 GMT",
    "cf-connecting-ip": "44.197.197.23",
    "cdn-loop": "cloudflare",
    "x-request-id": "483e7727-b8fb-4ddb-808f-fef9acf75e4d",
    "x-forwarded-port": "80",
    "via": "1.1 vegur",
    "connect-time": "0",
    "x-request-start": "1632191846317",
    "total-route-time": "0"
  },
  "queryString": {},
  "postData": {
    "mimeType": "application/octet-stream",
    "text": "",
    "params": []
  },
  "headersSize": 659,
  "bodySize": 0
}
startedDateTime: '2021-09-21T02:37:26.317Z'
clientIPAddress: 44.197.197.23
method: GET
url: 'http://mockbin.com/request'
httpVersion: HTTP/1.1
cookies:
headers:
  host: mockbin.com
  connection: close
  accept-encoding: gzip
  x-forwarded-for: '44.197.197.23, 172.70.34.37'
  cf-ray: 691fe95f6f995992-IAD
  x-forwarded-proto: http
  cf-visitor: '{"scheme":"http"}'
  user-agent: 'CCBot/2.0 (https://commoncrawl.org/faq/)'
  accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
  accept-language: 'en-US,en;q=0.5'
  if-modified-since: 'Wed, 16 Jun 2021 23:29:14 GMT'
  cf-connecting-ip: 44.197.197.23
  cdn-loop: cloudflare
  x-request-id: 483e7727-b8fb-4ddb-808f-fef9acf75e4d
  x-forwarded-port: '80'
  via: '1.1 vegur'
  connect-time: '0'
  x-request-start: '1632191846317'
  total-route-time: '0'
queryString: {}
postData:
  mimeType: application/octet-stream
  text: ""
  params: []
headersSize: 659
bodySize: 0
<?xml version="1.0"?>
<response>
 <startedDateTime>2021-09-21T02:37:26.317Z</startedDateTime>
 <clientIPAddress>44.197.197.23</clientIPAddress>
 <method>GET</method>
 <url>http://mockbin.com/request</url>
 <httpVersion>HTTP/1.1</httpVersion>
 <cookies/>
 <headers>
  <host>mockbin.com</host>
  <connection>close</connection>
  <accept-encoding>gzip</accept-encoding>
  <x-forwarded-for>44.197.197.23, 172.70.34.37</x-forwarded-for>
  <cf-ray>691fe95f6f995992-IAD</cf-ray>
  <x-forwarded-proto>http</x-forwarded-proto>
  <cf-visitor>{"scheme":"http"}</cf-visitor>
  <user-agent>CCBot/2.0 (https://commoncrawl.org/faq/)</user-agent>
  <accept>text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8</accept>
  <accept-language>en-US,en;q=0.5</accept-language>
  <if-modified-since>Wed, 16 Jun 2021 23:29:14 GMT</if-modified-since>
  <cf-connecting-ip>44.197.197.23</cf-connecting-ip>
  <cdn-loop>cloudflare</cdn-loop>
  <x-request-id>483e7727-b8fb-4ddb-808f-fef9acf75e4d</x-request-id>
  <x-forwarded-port>80</x-forwarded-port>
  <via>1.1 vegur</via>
  <connect-time>0</connect-time>
  <x-request-start>1632191846317</x-request-start>
  <total-route-time>0</total-route-time>
 </headers>
 <queryString/>
 <postData>
  <mimeType>application/octet-stream</mimeType>
  <text/>
  <params/>
 </postData>
 <headersSize>659</headersSize>
 <bodySize>0</bodySize>
</response>

You're viewing the HTML output, try calling this endpoint with an Accept header with one of the values: application/x-yaml, application/json, application/xml