curl -X POST "https://api.services.payward.com/v1/users/headless" \
  -H "API-Key: $PWS_API_KEY" \
  -H "API-Nonce: $PWS_API_NONCE" \
  -H "API-Sign: $PWS_API_SIGN" \
  -H "Content-Type: application/json" \
  -d '{"external_reference": "partner-user-12345"}'

import requests

url = "https://api.services.payward.com/v1/users/headless"

payload = { "external_reference": "partner-user-12345" }
headers = {
    "API-Key": "<api-key>",
    "API-Nonce": "<api-key>",
    "API-Sign": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'API-Key': '<api-key>',
    'API-Nonce': '<api-key>',
    'API-Sign': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({external_reference: 'partner-user-12345'})
};

fetch('https://api.services.payward.com/v1/users/headless', 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.services.payward.com/v1/users/headless",
  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([
    'external_reference' => 'partner-user-12345'
  ]),
  CURLOPT_HTTPHEADER => [
    "API-Key: <api-key>",
    "API-Nonce: <api-key>",
    "API-Sign: <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.services.payward.com/v1/users/headless"

	payload := strings.NewReader("{\n  \"external_reference\": \"partner-user-12345\"\n}")

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

	req.Header.Add("API-Key", "<api-key>")
	req.Header.Add("API-Nonce", "<api-key>")
	req.Header.Add("API-Sign", "<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.services.payward.com/v1/users/headless")
  .header("API-Key", "<api-key>")
  .header("API-Nonce", "<api-key>")
  .header("API-Sign", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"external_reference\": \"partner-user-12345\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.services.payward.com/v1/users/headless")

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

request = Net::HTTP::Post.new(url)
request["API-Key"] = '<api-key>'
request["API-Nonce"] = '<api-key>'
request["API-Sign"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"external_reference\": \"partner-user-12345\"\n}"

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

{
  "data": {
    "id": "AA45N8G4MLDYWAR7",
    "accounts": [
      {
        "id": "WX6VJUKWKKPBQE36",
        "name": "main"
      },
      {
        "id": "WC9RDEFHPSGLXRVX",
        "name": "secondary"
      }
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 400,
    "instance": "<string>",
    "code": "bad_request",
    "doc_url": "<string>",
    "causes": [
      {
        "field": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 401,
    "instance": "<string>",
    "code": "unauthenticated",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 403,
    "instance": "<string>",
    "code": "forbidden",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 429,
    "instance": "<string>",
    "code": "resource_exhausted",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 500,
    "instance": "<string>",
    "code": "internal",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 501,
    "instance": "<string>",
    "code": "unimplemented",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 503,
    "instance": "<string>",
    "code": "unavailable",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}

{
  "error": {
    "type": "<string>",
    "status": 504,
    "instance": "<string>",
    "code": "deadline_exceeded",
    "doc_url": "<string>",
    "causes": [
      {}
    ]
  }
}