curl --request POST \
  --url https://api.messaging.phonovation.com/communication/1/flows/{campaignId}/participants \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "personData": {
    "externalId": "1",
    "firstName": "Jane",
    "lastName": "Smith",
    "address": "67 Farringdon Road",
    "city": "London",
    "country": "United Kingdom",
    "gender": "FEMALE",
    "birthDate": "1966-01-15",
    "middleName": "Janie",
    "profilePicture": "http://profile.com",
    "tags": [
      "VIP Customers",
      "New Customers"
    ],
    "customAttributes": {
      "Contract Expiry": "2018-06-01",
      "Company": "Acme"
    },
    "contactInformation": {
      "phone": [
        {
          "number": "353861234579"
        },
        {
          "number": "353861234580"
        }
      ],
      "email": [
        {
          "address": "jane@acme.com"
        },
        {
          "address": "janesmith@acme.com"
        }
      ]
    }
  },
  "flowVariables": {
    "orderDate": "2021-09-01",
    "orderDetails": "Extended Weight, Discount",
    "orderNumber": 1234567
  }
}
'

import requests

url = "https://api.messaging.phonovation.com/communication/1/flows/{campaignId}/participants"

payload = {
    "personData": {
        "externalId": "1",
        "firstName": "Jane",
        "lastName": "Smith",
        "address": "67 Farringdon Road",
        "city": "London",
        "country": "United Kingdom",
        "gender": "FEMALE",
        "birthDate": "1966-01-15",
        "middleName": "Janie",
        "profilePicture": "http://profile.com",
        "tags": ["VIP Customers", "New Customers"],
        "customAttributes": {
            "Contract Expiry": "2018-06-01",
            "Company": "Acme"
        },
        "contactInformation": {
            "phone": [{ "number": "353861234579" }, { "number": "353861234580" }],
            "email": [{ "address": "jane@acme.com" }, { "address": "janesmith@acme.com" }]
        }
    },
    "flowVariables": {
        "orderDate": "2021-09-01",
        "orderDetails": "Extended Weight, Discount",
        "orderNumber": 1234567
    }
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

using RestSharp;


var options = new RestClientOptions("https://api.messaging.phonovation.com/communication/1/flows/{campaignId}/participants");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "<api-key>");
request.AddJsonBody("{\n  \"personData\": {\n    \"externalId\": \"1\",\n    \"firstName\": \"Jane\",\n    \"lastName\": \"Smith\",\n    \"address\": \"67 Farringdon Road\",\n    \"city\": \"London\",\n    \"country\": \"United Kingdom\",\n    \"gender\": \"FEMALE\",\n    \"birthDate\": \"1966-01-15\",\n    \"middleName\": \"Janie\",\n    \"profilePicture\": \"http://profile.com\",\n    \"tags\": [\n      \"VIP Customers\",\n      \"New Customers\"\n    ],\n    \"customAttributes\": {\n      \"Contract Expiry\": \"2018-06-01\",\n      \"Company\": \"Acme\"\n    },\n    \"contactInformation\": {\n      \"phone\": [\n        {\n          \"number\": \"353861234579\"\n        },\n        {\n          \"number\": \"353861234580\"\n        }\n      ],\n      \"email\": [\n        {\n          \"address\": \"jane@acme.com\"\n        },\n        {\n          \"address\": \"janesmith@acme.com\"\n        }\n      ]\n    }\n  },\n  \"flowVariables\": {\n    \"orderDate\": \"2021-09-01\",\n    \"orderDetails\": \"Extended Weight, Discount\",\n    \"orderNumber\": 1234567\n  }\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

HttpResponse<String> response = Unirest.post("https://api.messaging.phonovation.com/communication/1/flows/{campaignId}/participants")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"personData\": {\n    \"externalId\": \"1\",\n    \"firstName\": \"Jane\",\n    \"lastName\": \"Smith\",\n    \"address\": \"67 Farringdon Road\",\n    \"city\": \"London\",\n    \"country\": \"United Kingdom\",\n    \"gender\": \"FEMALE\",\n    \"birthDate\": \"1966-01-15\",\n    \"middleName\": \"Janie\",\n    \"profilePicture\": \"http://profile.com\",\n    \"tags\": [\n      \"VIP Customers\",\n      \"New Customers\"\n    ],\n    \"customAttributes\": {\n      \"Contract Expiry\": \"2018-06-01\",\n      \"Company\": \"Acme\"\n    },\n    \"contactInformation\": {\n      \"phone\": [\n        {\n          \"number\": \"353861234579\"\n        },\n        {\n          \"number\": \"353861234580\"\n        }\n      ],\n      \"email\": [\n        {\n          \"address\": \"jane@acme.com\"\n        },\n        {\n          \"address\": \"janesmith@acme.com\"\n        }\n      ]\n    }\n  },\n  \"flowVariables\": {\n    \"orderDate\": \"2021-09-01\",\n    \"orderDetails\": \"Extended Weight, Discount\",\n    \"orderNumber\": 1234567\n  }\n}")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.messaging.phonovation.com/communication/1/flows/{campaignId}/participants",
  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([
    'personData' => [
        'externalId' => '1',
        'firstName' => 'Jane',
        'lastName' => 'Smith',
        'address' => '67 Farringdon Road',
        'city' => 'London',
        'country' => 'United Kingdom',
        'gender' => 'FEMALE',
        'birthDate' => '1966-01-15',
        'middleName' => 'Janie',
        'profilePicture' => 'http://profile.com',
        'tags' => [
                'VIP Customers',
                'New Customers'
        ],
        'customAttributes' => [
                'Contract Expiry' => '2018-06-01',
                'Company' => 'Acme'
        ],
        'contactInformation' => [
                'phone' => [
                                [
                                                                'number' => '353861234579'
                                ],
                                [
                                                                'number' => '353861234580'
                                ]
                ],
                'email' => [
                                [
                                                                'address' => 'jane@acme.com'
                                ],
                                [
                                                                'address' => 'janesmith@acme.com'
                                ]
                ]
        ]
    ],
    'flowVariables' => [
        'orderDate' => '2021-09-01',
        'orderDetails' => 'Extended Weight, Discount',
        'orderNumber' => 1234567
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    personData: {
      externalId: '1',
      firstName: 'Jane',
      lastName: 'Smith',
      address: '67 Farringdon Road',
      city: 'London',
      country: 'United Kingdom',
      gender: 'FEMALE',
      birthDate: '1966-01-15',
      middleName: 'Janie',
      profilePicture: 'http://profile.com',
      tags: ['VIP Customers', 'New Customers'],
      customAttributes: {'Contract Expiry': '2018-06-01', Company: 'Acme'},
      contactInformation: {
        phone: [{number: '353861234579'}, {number: '353861234580'}],
        email: [{address: 'jane@acme.com'}, {address: 'janesmith@acme.com'}]
      }
    },
    flowVariables: {
      orderDate: '2021-09-01',
      orderDetails: 'Extended Weight, Discount',
      orderNumber: 1234567
    }
  })
};

fetch('https://api.messaging.phonovation.com/communication/1/flows/{campaignId}/participants', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "errorCode": 40001,
  "errorMessage": ""
}

{
  "requestError": {
    "serviceException": {
      "messageId": "UNAUTHORIZED",
      "text": "Unauthorized"
    }
  }
}

{
  "requestError": {
    "serviceException": {
      "messageId": "FORBIDDEN",
      "text": "Forbidden"
    }
  }
}

{
  "errorCode": 40001,
  "errorMessage": ""
}

{
  "requestError": {
    "serviceException": {
      "messageId": "GENERAL_ERROR",
      "text": "Something went wrong. Please contact support."
    }
  }
}