curl --request POST \
  --url https://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign \
  --header 'Content-Type: application/json' \
  --header 'X-apikey: <api-key>' \
  --data '
{
  "Name": "",
  "ExternalId": "",
  "AccountId": 1234567891234567,
  "StartDate": "2014-12-31",
  "EndDate": "2014-12-31",
  "PartnerBudget": 0.1,
  "SalesProbability": 0.1,
  "CampaignBriefFields": [
    {
      "FieldName": "",
      "FieldValue": ""
    }
  ],
  "LineItems": [
    {
      "ExternalId": "",
      "LineItemName": "",
      "CampaignId": 1234567891234567,
      "ProductId": 1234567891234567,
      "StartDate": "2014-12-31",
      "EndDate": "2014-12-31",
      "Quantity": 0,
      "PartnerRate": 0.1,
      "FulfilmentCost": 0.1,
      "PartnerDiscount": 0,
      "LineItemReportingFields": [
        {
          "FieldName": "",
          "FieldValue": ""
        }
      ],
      "LineItemEvidence": [
        {
          "EvidenceFileName": "",
          "EvidenceURL": "",
          "EvidenceDescription": ""
        }
      ],
      "LineItemBriefFields": [
        {
          "FieldName": "",
          "FieldValue": ""
        }
      ],
      "EvidenceFilename_1": "",
      "EvidenceURL_1": "",
      "EvidenceFilename_2": "",
      "EvidenceURL_2": "",
      "EvidenceFilename_3": "",
      "EvidenceURL_3": "",
      "EvidenceFilename_4": "",
      "EvidenceURL_4": "",
      "EvidenceFilename_5": "",
      "EvidenceURL_5": "",
      "LineItemStatusId": 1234567891234567,
      "CostBasis_Override": ""
    }
  ],
  "SourceMarket": 1234567891234567,
  "ContractSigned": false,
  "CampaignStatusId": 1234567891234567
}
'

import requests

url = "https://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign"

payload = {
    "Name": "",
    "ExternalId": "",
    "AccountId": 1234567891234567,
    "StartDate": "2014-12-31",
    "EndDate": "2014-12-31",
    "PartnerBudget": 0.1,
    "SalesProbability": 0.1,
    "CampaignBriefFields": [
        {
            "FieldName": "",
            "FieldValue": ""
        }
    ],
    "LineItems": [
        {
            "ExternalId": "",
            "LineItemName": "",
            "CampaignId": 1234567891234567,
            "ProductId": 1234567891234567,
            "StartDate": "2014-12-31",
            "EndDate": "2014-12-31",
            "Quantity": 0,
            "PartnerRate": 0.1,
            "FulfilmentCost": 0.1,
            "PartnerDiscount": 0,
            "LineItemReportingFields": [
                {
                    "FieldName": "",
                    "FieldValue": ""
                }
            ],
            "LineItemEvidence": [
                {
                    "EvidenceFileName": "",
                    "EvidenceURL": "",
                    "EvidenceDescription": ""
                }
            ],
            "LineItemBriefFields": [
                {
                    "FieldName": "",
                    "FieldValue": ""
                }
            ],
            "EvidenceFilename_1": "",
            "EvidenceURL_1": "",
            "EvidenceFilename_2": "",
            "EvidenceURL_2": "",
            "EvidenceFilename_3": "",
            "EvidenceURL_3": "",
            "EvidenceFilename_4": "",
            "EvidenceURL_4": "",
            "EvidenceFilename_5": "",
            "EvidenceURL_5": "",
            "LineItemStatusId": 1234567891234567,
            "CostBasis_Override": ""
        }
    ],
    "SourceMarket": 1234567891234567,
    "ContractSigned": False,
    "CampaignStatusId": 1234567891234567
}
headers = {
    "X-apikey": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-apikey': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    Name: '',
    ExternalId: '',
    AccountId: 1234567891234567,
    StartDate: '2014-12-31',
    EndDate: '2014-12-31',
    PartnerBudget: 0.1,
    SalesProbability: 0.1,
    CampaignBriefFields: [{FieldName: '', FieldValue: ''}],
    LineItems: [
      {
        ExternalId: '',
        LineItemName: '',
        CampaignId: 1234567891234567,
        ProductId: 1234567891234567,
        StartDate: '2014-12-31',
        EndDate: '2014-12-31',
        Quantity: 0,
        PartnerRate: 0.1,
        FulfilmentCost: 0.1,
        PartnerDiscount: 0,
        LineItemReportingFields: [{FieldName: '', FieldValue: ''}],
        LineItemEvidence: [{EvidenceFileName: '', EvidenceURL: '', EvidenceDescription: ''}],
        LineItemBriefFields: [{FieldName: '', FieldValue: ''}],
        EvidenceFilename_1: '',
        EvidenceURL_1: '',
        EvidenceFilename_2: '',
        EvidenceURL_2: '',
        EvidenceFilename_3: '',
        EvidenceURL_3: '',
        EvidenceFilename_4: '',
        EvidenceURL_4: '',
        EvidenceFilename_5: '',
        EvidenceURL_5: '',
        LineItemStatusId: 1234567891234567,
        CostBasis_Override: ''
      }
    ],
    SourceMarket: 1234567891234567,
    ContractSigned: false,
    CampaignStatusId: 1234567891234567
  })
};

fetch('https://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign', 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://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign",
  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([
    'Name' => '',
    'ExternalId' => '',
    'AccountId' => 1234567891234567,
    'StartDate' => '2014-12-31',
    'EndDate' => '2014-12-31',
    'PartnerBudget' => 0.1,
    'SalesProbability' => 0.1,
    'CampaignBriefFields' => [
        [
                'FieldName' => '',
                'FieldValue' => ''
        ]
    ],
    'LineItems' => [
        [
                'ExternalId' => '',
                'LineItemName' => '',
                'CampaignId' => 1234567891234567,
                'ProductId' => 1234567891234567,
                'StartDate' => '2014-12-31',
                'EndDate' => '2014-12-31',
                'Quantity' => 0,
                'PartnerRate' => 0.1,
                'FulfilmentCost' => 0.1,
                'PartnerDiscount' => 0,
                'LineItemReportingFields' => [
                                [
                                                                'FieldName' => '',
                                                                'FieldValue' => ''
                                ]
                ],
                'LineItemEvidence' => [
                                [
                                                                'EvidenceFileName' => '',
                                                                'EvidenceURL' => '',
                                                                'EvidenceDescription' => ''
                                ]
                ],
                'LineItemBriefFields' => [
                                [
                                                                'FieldName' => '',
                                                                'FieldValue' => ''
                                ]
                ],
                'EvidenceFilename_1' => '',
                'EvidenceURL_1' => '',
                'EvidenceFilename_2' => '',
                'EvidenceURL_2' => '',
                'EvidenceFilename_3' => '',
                'EvidenceURL_3' => '',
                'EvidenceFilename_4' => '',
                'EvidenceURL_4' => '',
                'EvidenceFilename_5' => '',
                'EvidenceURL_5' => '',
                'LineItemStatusId' => 1234567891234567,
                'CostBasis_Override' => ''
        ]
    ],
    'SourceMarket' => 1234567891234567,
    'ContractSigned' => false,
    'CampaignStatusId' => 1234567891234567
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-apikey: <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://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign"

	payload := strings.NewReader("{\n  \"Name\": \"\",\n  \"ExternalId\": \"\",\n  \"AccountId\": 1234567891234567,\n  \"StartDate\": \"2014-12-31\",\n  \"EndDate\": \"2014-12-31\",\n  \"PartnerBudget\": 0.1,\n  \"SalesProbability\": 0.1,\n  \"CampaignBriefFields\": [\n    {\n      \"FieldName\": \"\",\n      \"FieldValue\": \"\"\n    }\n  ],\n  \"LineItems\": [\n    {\n      \"ExternalId\": \"\",\n      \"LineItemName\": \"\",\n      \"CampaignId\": 1234567891234567,\n      \"ProductId\": 1234567891234567,\n      \"StartDate\": \"2014-12-31\",\n      \"EndDate\": \"2014-12-31\",\n      \"Quantity\": 0,\n      \"PartnerRate\": 0.1,\n      \"FulfilmentCost\": 0.1,\n      \"PartnerDiscount\": 0,\n      \"LineItemReportingFields\": [\n        {\n          \"FieldName\": \"\",\n          \"FieldValue\": \"\"\n        }\n      ],\n      \"LineItemEvidence\": [\n        {\n          \"EvidenceFileName\": \"\",\n          \"EvidenceURL\": \"\",\n          \"EvidenceDescription\": \"\"\n        }\n      ],\n      \"LineItemBriefFields\": [\n        {\n          \"FieldName\": \"\",\n          \"FieldValue\": \"\"\n        }\n      ],\n      \"EvidenceFilename_1\": \"\",\n      \"EvidenceURL_1\": \"\",\n      \"EvidenceFilename_2\": \"\",\n      \"EvidenceURL_2\": \"\",\n      \"EvidenceFilename_3\": \"\",\n      \"EvidenceURL_3\": \"\",\n      \"EvidenceFilename_4\": \"\",\n      \"EvidenceURL_4\": \"\",\n      \"EvidenceFilename_5\": \"\",\n      \"EvidenceURL_5\": \"\",\n      \"LineItemStatusId\": 1234567891234567,\n      \"CostBasis_Override\": \"\"\n    }\n  ],\n  \"SourceMarket\": 1234567891234567,\n  \"ContractSigned\": false,\n  \"CampaignStatusId\": 1234567891234567\n}")

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

	req.Header.Add("X-apikey", "<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://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign")
  .header("X-apikey", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"Name\": \"\",\n  \"ExternalId\": \"\",\n  \"AccountId\": 1234567891234567,\n  \"StartDate\": \"2014-12-31\",\n  \"EndDate\": \"2014-12-31\",\n  \"PartnerBudget\": 0.1,\n  \"SalesProbability\": 0.1,\n  \"CampaignBriefFields\": [\n    {\n      \"FieldName\": \"\",\n      \"FieldValue\": \"\"\n    }\n  ],\n  \"LineItems\": [\n    {\n      \"ExternalId\": \"\",\n      \"LineItemName\": \"\",\n      \"CampaignId\": 1234567891234567,\n      \"ProductId\": 1234567891234567,\n      \"StartDate\": \"2014-12-31\",\n      \"EndDate\": \"2014-12-31\",\n      \"Quantity\": 0,\n      \"PartnerRate\": 0.1,\n      \"FulfilmentCost\": 0.1,\n      \"PartnerDiscount\": 0,\n      \"LineItemReportingFields\": [\n        {\n          \"FieldName\": \"\",\n          \"FieldValue\": \"\"\n        }\n      ],\n      \"LineItemEvidence\": [\n        {\n          \"EvidenceFileName\": \"\",\n          \"EvidenceURL\": \"\",\n          \"EvidenceDescription\": \"\"\n        }\n      ],\n      \"LineItemBriefFields\": [\n        {\n          \"FieldName\": \"\",\n          \"FieldValue\": \"\"\n        }\n      ],\n      \"EvidenceFilename_1\": \"\",\n      \"EvidenceURL_1\": \"\",\n      \"EvidenceFilename_2\": \"\",\n      \"EvidenceURL_2\": \"\",\n      \"EvidenceFilename_3\": \"\",\n      \"EvidenceURL_3\": \"\",\n      \"EvidenceFilename_4\": \"\",\n      \"EvidenceURL_4\": \"\",\n      \"EvidenceFilename_5\": \"\",\n      \"EvidenceURL_5\": \"\",\n      \"LineItemStatusId\": 1234567891234567,\n      \"CostBasis_Override\": \"\"\n    }\n  ],\n  \"SourceMarket\": 1234567891234567,\n  \"ContractSigned\": false,\n  \"CampaignStatusId\": 1234567891234567\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/Campaign")

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

request = Net::HTTP::Post.new(url)
request["X-apikey"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"Name\": \"\",\n  \"ExternalId\": \"\",\n  \"AccountId\": 1234567891234567,\n  \"StartDate\": \"2014-12-31\",\n  \"EndDate\": \"2014-12-31\",\n  \"PartnerBudget\": 0.1,\n  \"SalesProbability\": 0.1,\n  \"CampaignBriefFields\": [\n    {\n      \"FieldName\": \"\",\n      \"FieldValue\": \"\"\n    }\n  ],\n  \"LineItems\": [\n    {\n      \"ExternalId\": \"\",\n      \"LineItemName\": \"\",\n      \"CampaignId\": 1234567891234567,\n      \"ProductId\": 1234567891234567,\n      \"StartDate\": \"2014-12-31\",\n      \"EndDate\": \"2014-12-31\",\n      \"Quantity\": 0,\n      \"PartnerRate\": 0.1,\n      \"FulfilmentCost\": 0.1,\n      \"PartnerDiscount\": 0,\n      \"LineItemReportingFields\": [\n        {\n          \"FieldName\": \"\",\n          \"FieldValue\": \"\"\n        }\n      ],\n      \"LineItemEvidence\": [\n        {\n          \"EvidenceFileName\": \"\",\n          \"EvidenceURL\": \"\",\n          \"EvidenceDescription\": \"\"\n        }\n      ],\n      \"LineItemBriefFields\": [\n        {\n          \"FieldName\": \"\",\n          \"FieldValue\": \"\"\n        }\n      ],\n      \"EvidenceFilename_1\": \"\",\n      \"EvidenceURL_1\": \"\",\n      \"EvidenceFilename_2\": \"\",\n      \"EvidenceURL_2\": \"\",\n      \"EvidenceFilename_3\": \"\",\n      \"EvidenceURL_3\": \"\",\n      \"EvidenceFilename_4\": \"\",\n      \"EvidenceURL_4\": \"\",\n      \"EvidenceFilename_5\": \"\",\n      \"EvidenceURL_5\": \"\",\n      \"LineItemStatusId\": 1234567891234567,\n      \"CostBasis_Override\": \"\"\n    }\n  ],\n  \"SourceMarket\": 1234567891234567,\n  \"ContractSigned\": false,\n  \"CampaignStatusId\": 1234567891234567\n}"

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

{
  "Success": false,
  "Message": "",
  "Id": 1234567891234567,
  "ExternalId": "",
  "LineItems": [
    {
      "Success": false,
      "Message": "",
      "Id": 1234567891234567,
      "ExternalId": ""
    }
  ]
}