curl --request POST \
  --url https://mm-api.merchantspring.io/reports/view/salesByChannel \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "fromDate": 123,
  "toDate": 123,
  "priorFromDate": 123,
  "priorToDate": 123,
  "timezone": "<string>",
  "filter": {
    "marketplaces": [],
    "countries": [],
    "tags": []
  },
  "includeTax": false,
  "vendorRevenueType": "orderedRevenue",
  "sortKey": "sales",
  "sortOrder": "desc",
  "searchText": "",
  "pageSize": 10,
  "pageIndex": 0
}
'

import requests

url = "https://mm-api.merchantspring.io/reports/view/salesByChannel"

payload = {
    "fromDate": 123,
    "toDate": 123,
    "priorFromDate": 123,
    "priorToDate": 123,
    "timezone": "<string>",
    "filter": {
        "marketplaces": [],
        "countries": [],
        "tags": []
    },
    "includeTax": False,
    "vendorRevenueType": "orderedRevenue",
    "sortKey": "sales",
    "sortOrder": "desc",
    "searchText": "",
    "pageSize": 10,
    "pageIndex": 0
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    fromDate: 123,
    toDate: 123,
    priorFromDate: 123,
    priorToDate: 123,
    timezone: '<string>',
    filter: {marketplaces: [], countries: [], tags: []},
    includeTax: false,
    vendorRevenueType: 'orderedRevenue',
    sortKey: 'sales',
    sortOrder: 'desc',
    searchText: '',
    pageSize: 10,
    pageIndex: 0
  })
};

fetch('https://mm-api.merchantspring.io/reports/view/salesByChannel', 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://mm-api.merchantspring.io/reports/view/salesByChannel",
  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([
    'fromDate' => 123,
    'toDate' => 123,
    'priorFromDate' => 123,
    'priorToDate' => 123,
    'timezone' => '<string>',
    'filter' => [
        'marketplaces' => [
                
        ],
        'countries' => [
                
        ],
        'tags' => [
                
        ]
    ],
    'includeTax' => false,
    'vendorRevenueType' => 'orderedRevenue',
    'sortKey' => 'sales',
    'sortOrder' => 'desc',
    'searchText' => '',
    'pageSize' => 10,
    'pageIndex' => 0
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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://mm-api.merchantspring.io/reports/view/salesByChannel"

	payload := strings.NewReader("{\n  \"fromDate\": 123,\n  \"toDate\": 123,\n  \"priorFromDate\": 123,\n  \"priorToDate\": 123,\n  \"timezone\": \"<string>\",\n  \"filter\": {\n    \"marketplaces\": [],\n    \"countries\": [],\n    \"tags\": []\n  },\n  \"includeTax\": false,\n  \"vendorRevenueType\": \"orderedRevenue\",\n  \"sortKey\": \"sales\",\n  \"sortOrder\": \"desc\",\n  \"searchText\": \"\",\n  \"pageSize\": 10,\n  \"pageIndex\": 0\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	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://mm-api.merchantspring.io/reports/view/salesByChannel")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"fromDate\": 123,\n  \"toDate\": 123,\n  \"priorFromDate\": 123,\n  \"priorToDate\": 123,\n  \"timezone\": \"<string>\",\n  \"filter\": {\n    \"marketplaces\": [],\n    \"countries\": [],\n    \"tags\": []\n  },\n  \"includeTax\": false,\n  \"vendorRevenueType\": \"orderedRevenue\",\n  \"sortKey\": \"sales\",\n  \"sortOrder\": \"desc\",\n  \"searchText\": \"\",\n  \"pageSize\": 10,\n  \"pageIndex\": 0\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mm-api.merchantspring.io/reports/view/salesByChannel")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"fromDate\": 123,\n  \"toDate\": 123,\n  \"priorFromDate\": 123,\n  \"priorToDate\": 123,\n  \"timezone\": \"<string>\",\n  \"filter\": {\n    \"marketplaces\": [],\n    \"countries\": [],\n    \"tags\": []\n  },\n  \"includeTax\": false,\n  \"vendorRevenueType\": \"orderedRevenue\",\n  \"sortKey\": \"sales\",\n  \"sortOrder\": \"desc\",\n  \"searchText\": \"\",\n  \"pageSize\": 10,\n  \"pageIndex\": 0\n}"

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

{
  "rows": [
    {
      "store": "<string>",
      "outOfStockPercentage": 123,
      "buyBoxSnapshot": {},
      "forecastTarget": 123,
      "adspendLimit": 123,
      "budgetTarget": 123,
      "currency": "<string>",
      "salesSplit": 123,
      "storeId": "<string>",
      "marketplace": {
        "market": "<string>",
        "countryCode": "<string>"
      },
      "sales": {
        "value": 123,
        "priorPeriodValue": 123
      },
      "orders": {
        "value": "<string>",
        "priorPeriodValue": "<string>"
      },
      "avOrderValue": {
        "value": 123,
        "priorPeriodValue": 123
      },
      "units": {
        "value": "<string>",
        "priorPeriodValue": "<string>"
      },
      "avOrderSize": {
        "value": 123,
        "priorPeriodValue": 123
      },
      "pageViews": {
        "value": "<string>",
        "priorPeriodValue": "<string>"
      },
      "conversions": {
        "value": 123,
        "priorPeriodValue": 123
      },
      "healthStatus": "<string>"
    }
  ],
  "count": 123
}

This response has no body data.