Response:
Array
(
    [headers] => Requests_Utility_CaseInsensitiveDictionary Object
        (
            [data:protected] => Array
                (
                    [date] => Fri, 27 May 2022 00:27:02 GMT
                    [content-type] => application/json; charset=utf-8
                    [content-length] => 67
                    [x-powered-by] => Express
                    [x-ratelimit-limit] => 1000
                    [x-ratelimit-remaining] => 999
                    [x-ratelimit-reset] => 1653611245
                    [vary] => Origin, X-HTTP-Method-Override, Accept-Encoding
                    [access-control-allow-credentials] => true
                    [cache-control] => no-cache
                    [pragma] => no-cache
                    [expires] => -1
                    [access-control-expose-headers] => Location
                    [location] => http://jsonplaceholder.typicode.com/posts/101
                    [x-content-type-options] => nosniff
                    [etag] => W/"43-ogufnppHC08Zgk1P3Dwq7ugW5V4"
                    [via] => 1.1 vegur
                    [cf-cache-status] => DYNAMIC
                    [expect-ct] => max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
                    [report-to] => {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=VqH9Gig%2FV6VscfL7kdccGUJf9cQgO8jqML3vlKeBD0g7JPnCjgxam8aaZ0PdiMyhipRTvgH5MCLg2lauJatCjAORT7HRM3GmaHiBQHAEtqfTBKOsE6HjtHFUnVnVYrduASqSOiTh3j%2FTI%2FwWv55aOhQ85jmKlhOhIfdn"}],"group":"cf-nel","max_age":604800}
                    [nel] => {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
                    [server] => cloudflare
                    [cf-ray] => 711a9f5c9fa938bc-VIE
                    [alt-svc] => h3=":443"; ma=86400, h3-29=":443"; ma=86400
                )

        )

    [body] => {
  "title": "abc",
  "body": "def",
  "userID": "1",
  "id": 101
}
    [response] => Array
        (
            [code] => 201
            [message] => Created
        )

    [cookies] => Array
        (
        )

    [filename] => 
    [http_response] => WP_HTTP_Requests_Response Object
        (
            [response:protected] => Requests_Response Object
                (
                    [body] => {
  "title": "abc",
  "body": "def",
  "userID": "1",
  "id": 101
}
                    [raw] => HTTP/1.1 201 Created
Date: Fri, 27 May 2022 00:27:02 GMT
Content-Type: application/json; charset=utf-8
Content-Length: 67
Connection: close
X-Powered-By: Express
X-Ratelimit-Limit: 1000
X-Ratelimit-Remaining: 999
X-Ratelimit-Reset: 1653611245
Vary: Origin, X-HTTP-Method-Override, Accept-Encoding
Access-Control-Allow-Credentials: true
Cache-Control: no-cache
Pragma: no-cache
Expires: -1
Access-Control-Expose-Headers: Location
Location: http://jsonplaceholder.typicode.com/posts/101
X-Content-Type-Options: nosniff
Etag: W/"43-ogufnppHC08Zgk1P3Dwq7ugW5V4"
Via: 1.1 vegur
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=VqH9Gig%2FV6VscfL7kdccGUJf9cQgO8jqML3vlKeBD0g7JPnCjgxam8aaZ0PdiMyhipRTvgH5MCLg2lauJatCjAORT7HRM3GmaHiBQHAEtqfTBKOsE6HjtHFUnVnVYrduASqSOiTh3j%2FTI%2FwWv55aOhQ85jmKlhOhIfdn"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 711a9f5c9fa938bc-VIE
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

{
  "title": "abc",
  "body": "def",
  "userID": "1",
  "id": 101
}
                    [headers] => Requests_Response_Headers Object
                        (
                            [data:protected] => Array
                                (
                                    [date] => Array
                                        (
                                            [0] => Fri, 27 May 2022 00:27:02 GMT
                                        )

                                    [content-type] => Array
                                        (
                                            [0] => application/json; charset=utf-8
                                        )

                                    [content-length] => Array
                                        (
                                            [0] => 67
                                        )

                                    [x-powered-by] => Array
                                        (
                                            [0] => Express
                                        )

                                    [x-ratelimit-limit] => Array
                                        (
                                            [0] => 1000
                                        )

                                    [x-ratelimit-remaining] => Array
                                        (
                                            [0] => 999
                                        )

                                    [x-ratelimit-reset] => Array
                                        (
                                            [0] => 1653611245
                                        )

                                    [vary] => Array
                                        (
                                            [0] => Origin, X-HTTP-Method-Override, Accept-Encoding
                                        )

                                    [access-control-allow-credentials] => Array
                                        (
                                            [0] => true
                                        )

                                    [cache-control] => Array
                                        (
                                            [0] => no-cache
                                        )

                                    [pragma] => Array
                                        (
                                            [0] => no-cache
                                        )

                                    [expires] => Array
                                        (
                                            [0] => -1
                                        )

                                    [access-control-expose-headers] => Array
                                        (
                                            [0] => Location
                                        )

                                    [location] => Array
                                        (
                                            [0] => http://jsonplaceholder.typicode.com/posts/101
                                        )

                                    [x-content-type-options] => Array
                                        (
                                            [0] => nosniff
                                        )

                                    [etag] => Array
                                        (
                                            [0] => W/"43-ogufnppHC08Zgk1P3Dwq7ugW5V4"
                                        )

                                    [via] => Array
                                        (
                                            [0] => 1.1 vegur
                                        )

                                    [cf-cache-status] => Array
                                        (
                                            [0] => DYNAMIC
                                        )

                                    [expect-ct] => Array
                                        (
                                            [0] => max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
                                        )

                                    [report-to] => Array
                                        (
                                            [0] => {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=VqH9Gig%2FV6VscfL7kdccGUJf9cQgO8jqML3vlKeBD0g7JPnCjgxam8aaZ0PdiMyhipRTvgH5MCLg2lauJatCjAORT7HRM3GmaHiBQHAEtqfTBKOsE6HjtHFUnVnVYrduASqSOiTh3j%2FTI%2FwWv55aOhQ85jmKlhOhIfdn"}],"group":"cf-nel","max_age":604800}
                                        )

                                    [nel] => Array
                                        (
                                            [0] => {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
                                        )

                                    [server] => Array
                                        (
                                            [0] => cloudflare
                                        )

                                    [cf-ray] => Array
                                        (
                                            [0] => 711a9f5c9fa938bc-VIE
                                        )

                                    [alt-svc] => Array
                                        (
                                            [0] => h3=":443"; ma=86400, h3-29=":443"; ma=86400
                                        )

                                )

                        )

                    [status_code] => 201
                    [protocol_version] => 1.1
                    [success] => 1
                    [redirects] => 0
                    [url] => https://jsonplaceholder.typicode.com/posts
                    [history] => Array
                        (
                        )

                    [cookies] => Requests_Cookie_Jar Object
                        (
                            [cookies:protected] => Array
                                (
                                )

                        )

                )

            [filename:protected] => 
            [data] => 
            [headers] => 
            [status] => 
        )

)