curl -X POST "https://api.services.payward.com/v1/accounts/AA23N84GGQN4WE6I/funds/bank-links" \
  -H "API-Key: $PWS_API_KEY" \
  -H "API-Nonce: $PWS_API_NONCE" \
  -H "API-Sign: $PWS_API_SIGN" \
  -H "Content-Type: application/json" \
  -d '{
    "method_id": "91908d86-9f12-48bd-a4de-f46d03b1c54b",
    "return_url": "https://partner.example.com/return",
    "external_reference": "user-4711-primary"
  }'

import requests

url = "https://api.services.payward.com/v1/accounts/{account_id}/funds/bank-links"

payload = {
    "method_id": "3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b",
    "return_url": "https://partner.example.com/bank-link/return",
    "external_reference": "order-abc-123"
}
headers = {
    "API-Key": "<api-key>",
    "API-Sign": "<api-key>",
    "API-Nonce": "<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-Sign': '<api-key>',
    'API-Nonce': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    method_id: '3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b',
    return_url: 'https://partner.example.com/bank-link/return',
    external_reference: 'order-abc-123'
  })
};

fetch('https://api.services.payward.com/v1/accounts/{account_id}/funds/bank-links', 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/accounts/{account_id}/funds/bank-links",
  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([
    'method_id' => '3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b',
    'return_url' => 'https://partner.example.com/bank-link/return',
    'external_reference' => 'order-abc-123'
  ]),
  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/accounts/{account_id}/funds/bank-links"

	payload := strings.NewReader("{\n  \"method_id\": \"3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b\",\n  \"return_url\": \"https://partner.example.com/bank-link/return\",\n  \"external_reference\": \"order-abc-123\"\n}")

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

	req.Header.Add("API-Key", "<api-key>")
	req.Header.Add("API-Sign", "<api-key>")
	req.Header.Add("API-Nonce", "<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/accounts/{account_id}/funds/bank-links")
  .header("API-Key", "<api-key>")
  .header("API-Sign", "<api-key>")
  .header("API-Nonce", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"method_id\": \"3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b\",\n  \"return_url\": \"https://partner.example.com/bank-link/return\",\n  \"external_reference\": \"order-abc-123\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.services.payward.com/v1/accounts/{account_id}/funds/bank-links")

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-Sign"] = '<api-key>'
request["API-Nonce"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"method_id\": \"3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b\",\n  \"return_url\": \"https://partner.example.com/bank-link/return\",\n  \"external_reference\": \"order-abc-123\"\n}"

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

{
  "data": {
    "bank_link_id": "bal_5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b",
    "method_id": "3f9a1c2e-8b7d-4e6f-9a1b-2c3d4e5f6a7b",
    "status": "pending",
    "accounts_eligibility_status": "unknown",
    "next_action": {
      "type": "hosted_link",
      "widget_url": "https://bank-link.services.payward.com/link/bal_5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b",
      "expires_at": "2026-07-02T16:00:00Z"
    }
  }
}

{
  "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": "request_error",
    "status": 404,
    "instance": "<string>",
    "code": "not_found",
    "doc_url": "<string>"
  }
}

{
  "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": [
      {}
    ]
  }
}