curl -X POST \
  https://us.api.hellotars.com/api/endusers \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{ "origin": "manual", "name": "Ada Point", "email": "ada@example.com" }'

const response = await fetch(
  "https://us.api.hellotars.com/api/endusers",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.TARS_API_KEY}`,
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      origin: "manual",
      name: "Ada Point",
      email: "ada@example.com"
    })
  }
);

const data = await response.json();

import os
import requests

response = requests.post(
    "https://us.api.hellotars.com/api/endusers",
    headers={
        "Authorization": f"Bearer {os.environ['TARS_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={
        "origin": "manual",
        "name": "Ada Point",
        "email": "ada@example.com",
    },
)

data = response.json()

{ "success": true, "endUserId": "eu_123" }

{ "error": "An end user with this email already exists", "code": "DUPLICATE_ENDUSER" }