curl --request POST \
  --url https://api.withallo.com/v2/api/partner/accounts \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "[email protected]",
  "name": "Jane Doe",
  "interval": "MONTHLY",
  "personal_mobile": "+33612345678",
  "partner_client_ref": "crm-12345",
  "number_preference": {
    "country": "FR",
    "prefix": "+337"
  }
}
'

import requests

url = "https://api.withallo.com/v2/api/partner/accounts"

payload = {
    "email": "[email protected]",
    "name": "Jane Doe",
    "interval": "MONTHLY",
    "personal_mobile": "+33612345678",
    "partner_client_ref": "crm-12345",
    "number_preference": {
        "country": "FR",
        "prefix": "+337"
    }
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    email: '[email protected]',
    name: 'Jane Doe',
    interval: 'MONTHLY',
    personal_mobile: '+33612345678',
    partner_client_ref: 'crm-12345',
    number_preference: {country: 'FR', prefix: '+337'}
  })
};

fetch('https://api.withallo.com/v2/api/partner/accounts', 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://api.withallo.com/v2/api/partner/accounts",
  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([
    'email' => '[email protected]',
    'name' => 'Jane Doe',
    'interval' => 'MONTHLY',
    'personal_mobile' => '+33612345678',
    'partner_client_ref' => 'crm-12345',
    'number_preference' => [
        'country' => 'FR',
        'prefix' => '+337'
    ]
  ]),
  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;
}

package main

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

func main() {

	url := "https://api.withallo.com/v2/api/partner/accounts"

	payload := strings.NewReader("{\n  \"email\": \"[email protected]\",\n  \"name\": \"Jane Doe\",\n  \"interval\": \"MONTHLY\",\n  \"personal_mobile\": \"+33612345678\",\n  \"partner_client_ref\": \"crm-12345\",\n  \"number_preference\": {\n    \"country\": \"FR\",\n    \"prefix\": \"+337\"\n  }\n}")

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

	req.Header.Add("Authorization", "<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://api.withallo.com/v2/api/partner/accounts")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"email\": \"[email protected]\",\n  \"name\": \"Jane Doe\",\n  \"interval\": \"MONTHLY\",\n  \"personal_mobile\": \"+33612345678\",\n  \"partner_client_ref\": \"crm-12345\",\n  \"number_preference\": {\n    \"country\": \"FR\",\n    \"prefix\": \"+337\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.withallo.com/v2/api/partner/accounts")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"email\": \"[email protected]\",\n  \"name\": \"Jane Doe\",\n  \"interval\": \"MONTHLY\",\n  \"personal_mobile\": \"+33612345678\",\n  \"partner_client_ref\": \"crm-12345\",\n  \"number_preference\": {\n    \"country\": \"FR\",\n    \"prefix\": \"+337\"\n  }\n}"

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

{
  "data": {
    "id": "usr_2Nf...",
    "api_key": "b1c2...",
    "phone_numbers": [
      "+33712345678"
    ],
    "status": "ACTIVE",
    "activated": false,
    "partner_client_ref": "crm-12345"
  }
}

{
  "error": {
    "type": "<string>",
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "request_id": "<string>",
    "retry_after_seconds": 123
  }
}

{
  "error": {
    "type": "<string>",
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "request_id": "<string>",
    "retry_after_seconds": 123
  }
}

{
  "error": {}
}

{
  "error": {}
}

{
  "error": {}
}

{
  "error": {
    "type": "<string>",
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "request_id": "<string>",
    "retry_after_seconds": 123
  }
}