curl --request POST \
  --url https://calibri.io/api/v2/persona/identity/users \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "alex@example.com",
  "password": "correct horse battery staple",
  "captcha_response": "0.AbCdEf…",
  "data": "{\"campaign\":\"launch\"}",
  "refid": "CAL7X2QM"
}
'

import requests

url = "https://calibri.io/api/v2/persona/identity/users"

payload = {
    "email": "alex@example.com",
    "password": "correct horse battery staple",
    "captcha_response": "0.AbCdEf…",
    "data": "{\"campaign\":\"launch\"}",
    "refid": "CAL7X2QM"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    email: 'alex@example.com',
    password: 'correct horse battery staple',
    captcha_response: '0.AbCdEf…',
    data: '{"campaign":"launch"}',
    refid: 'CAL7X2QM'
  })
};

fetch('https://calibri.io/api/v2/persona/identity/users', 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://calibri.io/api/v2/persona/identity/users",
  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' => 'alex@example.com',
    'password' => 'correct horse battery staple',
    'captcha_response' => '0.AbCdEf…',
    'data' => '{"campaign":"launch"}',
    'refid' => 'CAL7X2QM'
  ]),
  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;
}

package main

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

func main() {

	url := "https://calibri.io/api/v2/persona/identity/users"

	payload := strings.NewReader("{\n  \"email\": \"alex@example.com\",\n  \"password\": \"correct horse battery staple\",\n  \"captcha_response\": \"0.AbCdEf…\",\n  \"data\": \"{\\\"campaign\\\":\\\"launch\\\"}\",\n  \"refid\": \"CAL7X2QM\"\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))

}

HttpResponse<String> response = Unirest.post("https://calibri.io/api/v2/persona/identity/users")
  .header("Content-Type", "application/json")
  .body("{\n  \"email\": \"alex@example.com\",\n  \"password\": \"correct horse battery staple\",\n  \"captcha_response\": \"0.AbCdEf…\",\n  \"data\": \"{\\\"campaign\\\":\\\"launch\\\"}\",\n  \"refid\": \"CAL7X2QM\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://calibri.io/api/v2/persona/identity/users")

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  \"email\": \"alex@example.com\",\n  \"password\": \"correct horse battery staple\",\n  \"captcha_response\": \"0.AbCdEf…\",\n  \"data\": \"{\\\"campaign\\\":\\\"launch\\\"}\",\n  \"refid\": \"CAL7X2QM\"\n}"

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

{
  "base_currency_id": "usdc",
  "can_change_password": true,
  "can_link_wallet": false,
  "created_at": "2026-07-01T09:12:00Z",
  "email": "alex@example.com",
  "entity_type": "individual",
  "level": 2,
  "otp": true,
  "role": "member",
  "state": "active",
  "uid": "ID1A2B3C4D5E",
  "updated_at": "2026-07-02T14:30:00Z",
  "user_id": 4821,
  "advisor_id": null,
  "advisory_id": null,
  "aggregator_merchant_user_id": null,
  "data": {},
  "member_id": 4821,
  "parent_user_id": null,
  "referral_code": "CAL7X2QM",
  "referral_link": "https://calibri.io/?ref=CAL7X2QM",
  "wallet_address": "0xE1188438C85C98aADFf1a88f97764E607B4978C3"
}