import requests

url = "https://{FUSION HOST}/api/tasks"

payload = {
    "type": "rest-call",
    "id": "test-task-created",
    "callParams": {
        "uri": "solr://system_jobs_history/update",
        "method": "post",
        "queryParams": { "wt": "json" },
        "headers": {},
        "entity": "<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>"
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

HttpResponse<String> response = Unirest.post("https://{FUSION HOST}/api/tasks")
  .header("Content-Type", "application/json")
  .body("{\n  \"type\": \"rest-call\",\n  \"id\": \"test-task-created\",\n  \"callParams\": {\n    \"uri\": \"solr://system_jobs_history/update\",\n    \"method\": \"post\",\n    \"queryParams\": {\n      \"wt\": \"json\"\n    },\n    \"headers\": {},\n    \"entity\": \"<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>\"\n  }\n}")
  .asString();

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    type: 'rest-call',
    id: 'test-task-created',
    callParams: {
      uri: 'solr://system_jobs_history/update',
      method: 'post',
      queryParams: {wt: 'json'},
      headers: {},
      entity: '<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>'
    }
  })
};

fetch('https://{FUSION HOST}/api/tasks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

require 'uri'
require 'net/http'

url = URI("https://{FUSION HOST}/api/tasks")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"type\": \"rest-call\",\n  \"id\": \"test-task-created\",\n  \"callParams\": {\n    \"uri\": \"solr://system_jobs_history/update\",\n    \"method\": \"post\",\n    \"queryParams\": {\n      \"wt\": \"json\"\n    },\n    \"headers\": {},\n    \"entity\": \"<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>\"\n  }\n}"

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

package main

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

func main() {

	url := "https://{FUSION HOST}/api/tasks"

	payload := strings.NewReader("{\n  \"type\": \"rest-call\",\n  \"id\": \"test-task-created\",\n  \"callParams\": {\n    \"uri\": \"solr://system_jobs_history/update\",\n    \"method\": \"post\",\n    \"queryParams\": {\n      \"wt\": \"json\"\n    },\n    \"headers\": {},\n    \"entity\": \"<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>\"\n  }\n}")

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

	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))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{FUSION HOST}/api/tasks",
  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([
    'type' => 'rest-call',
    'id' => 'test-task-created',
    'callParams' => [
        'uri' => 'solr://system_jobs_history/update',
        'method' => 'post',
        'queryParams' => [
                'wt' => 'json'
        ],
        'headers' => [
                
        ],
        'entity' => '<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

curl --request POST \
  --url https://{FUSION HOST}/api/tasks \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "rest-call",
  "id": "test-task-created",
  "callParams": {
    "uri": "solr://system_jobs_history/update",
    "method": "post",
    "queryParams": {
      "wt": "json"
    },
    "headers": {},
    "entity": "<root><delete><query>timestamp_dt:[* TO NOW-30DAYS] AND type_s:history</query></delete><commit /></root>"
  }
}
'

{
  "id": "<string>",
  "type": "<string>"
}