curl --request POST \
  --url https://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "type": "<string>",
    "stripeId": "<string>",
    "setupIntentId": "<string>",
    "billingAddress": {
      "firstName": "<string>",
      "lastName": "<string>",
      "name": "<string>",
      "address": {
        "line1": "<string>",
        "line2": "<string>",
        "city": "<string>",
        "state": "<string>",
        "country": "<string>",
        "stateCode": "<string>",
        "countryCode": "<string>",
        "postalCode": "<string>"
      },
      "company": "<string>",
      "phoneNumber": "<string>",
      "email": "<string>",
      "googlePlaceId": "<string>",
      "formattedAddress": "<string>",
      "latitude": 123,
      "longitude": 123,
      "addressExpiresAt": "2023-11-07T05:31:56Z"
    },
    "acssDebit": {
      "transitNumber": "<string>",
      "institutionNumber": "<string>",
      "accountNumber": "<string>",
      "currency": "<string>",
      "last4": "<string>",
      "routingNumber": "<string>",
      "bankName": "<string>",
      "accountType": "<string>",
      "fingerprint": "<string>"
    },
    "bankAccount": {
      "transitNumber": "<string>",
      "institutionNumber": "<string>",
      "accountNumber": "<string>",
      "currency": "<string>",
      "last4": "<string>",
      "routingNumber": "<string>",
      "bankName": "<string>",
      "accountType": "<string>",
      "fingerprint": "<string>"
    },
    "card": {
      "cardholderName": "<string>",
      "cardholderFirstName": "<string>",
      "cardholderLastName": "<string>",
      "country": "<string>",
      "brand": "<string>",
      "displayBrand": "<string>",
      "coBrand": "<string>",
      "expirationMonth": 123,
      "expirationYear": 123,
      "last4": "<string>",
      "dynamicLast4": "<string>",
      "bin": "<string>",
      "fingerprint": {
        "fingerprint": "<string>"
      }
    },
    "giftCard": {
      "provider": "<string>",
      "cardNumber": "<string>",
      "pin": "<string>",
      "balance": 123,
      "currency": "<string>",
      "expirationDate": "2023-11-07T05:31:56Z",
      "notes": "<string>",
      "businessId": 123,
      "assignedToUserId": 123
    },
    "businessId": 123,
    "assignedToUserId": 123
  }
]
'

import requests

url = "https://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch"

payload = [
    {
        "type": "<string>",
        "stripeId": "<string>",
        "setupIntentId": "<string>",
        "billingAddress": {
            "firstName": "<string>",
            "lastName": "<string>",
            "name": "<string>",
            "address": {
                "line1": "<string>",
                "line2": "<string>",
                "city": "<string>",
                "state": "<string>",
                "country": "<string>",
                "stateCode": "<string>",
                "countryCode": "<string>",
                "postalCode": "<string>"
            },
            "company": "<string>",
            "phoneNumber": "<string>",
            "email": "<string>",
            "googlePlaceId": "<string>",
            "formattedAddress": "<string>",
            "latitude": 123,
            "longitude": 123,
            "addressExpiresAt": "2023-11-07T05:31:56Z"
        },
        "acssDebit": {
            "transitNumber": "<string>",
            "institutionNumber": "<string>",
            "accountNumber": "<string>",
            "currency": "<string>",
            "last4": "<string>",
            "routingNumber": "<string>",
            "bankName": "<string>",
            "accountType": "<string>",
            "fingerprint": "<string>"
        },
        "bankAccount": {
            "transitNumber": "<string>",
            "institutionNumber": "<string>",
            "accountNumber": "<string>",
            "currency": "<string>",
            "last4": "<string>",
            "routingNumber": "<string>",
            "bankName": "<string>",
            "accountType": "<string>",
            "fingerprint": "<string>"
        },
        "card": {
            "cardholderName": "<string>",
            "cardholderFirstName": "<string>",
            "cardholderLastName": "<string>",
            "country": "<string>",
            "brand": "<string>",
            "displayBrand": "<string>",
            "coBrand": "<string>",
            "expirationMonth": 123,
            "expirationYear": 123,
            "last4": "<string>",
            "dynamicLast4": "<string>",
            "bin": "<string>",
            "fingerprint": { "fingerprint": "<string>" }
        },
        "giftCard": {
            "provider": "<string>",
            "cardNumber": "<string>",
            "pin": "<string>",
            "balance": 123,
            "currency": "<string>",
            "expirationDate": "2023-11-07T05:31:56Z",
            "notes": "<string>",
            "businessId": 123,
            "assignedToUserId": 123
        },
        "businessId": 123,
        "assignedToUserId": 123
    }
]
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([
    {
      type: '<string>',
      stripeId: '<string>',
      setupIntentId: '<string>',
      billingAddress: {
        firstName: '<string>',
        lastName: '<string>',
        name: '<string>',
        address: {
          line1: '<string>',
          line2: '<string>',
          city: '<string>',
          state: '<string>',
          country: '<string>',
          stateCode: '<string>',
          countryCode: '<string>',
          postalCode: '<string>'
        },
        company: '<string>',
        phoneNumber: '<string>',
        email: '<string>',
        googlePlaceId: '<string>',
        formattedAddress: '<string>',
        latitude: 123,
        longitude: 123,
        addressExpiresAt: '2023-11-07T05:31:56Z'
      },
      acssDebit: {
        transitNumber: '<string>',
        institutionNumber: '<string>',
        accountNumber: '<string>',
        currency: '<string>',
        last4: '<string>',
        routingNumber: '<string>',
        bankName: '<string>',
        accountType: '<string>',
        fingerprint: '<string>'
      },
      bankAccount: {
        transitNumber: '<string>',
        institutionNumber: '<string>',
        accountNumber: '<string>',
        currency: '<string>',
        last4: '<string>',
        routingNumber: '<string>',
        bankName: '<string>',
        accountType: '<string>',
        fingerprint: '<string>'
      },
      card: {
        cardholderName: '<string>',
        cardholderFirstName: '<string>',
        cardholderLastName: '<string>',
        country: '<string>',
        brand: '<string>',
        displayBrand: '<string>',
        coBrand: '<string>',
        expirationMonth: 123,
        expirationYear: 123,
        last4: '<string>',
        dynamicLast4: '<string>',
        bin: '<string>',
        fingerprint: {fingerprint: '<string>'}
      },
      giftCard: {
        provider: '<string>',
        cardNumber: '<string>',
        pin: '<string>',
        balance: 123,
        currency: '<string>',
        expirationDate: '2023-11-07T05:31:56Z',
        notes: '<string>',
        businessId: 123,
        assignedToUserId: 123
      },
      businessId: 123,
      assignedToUserId: 123
    }
  ])
};

fetch('https://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch', 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.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch",
  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([
    [
        'type' => '<string>',
        'stripeId' => '<string>',
        'setupIntentId' => '<string>',
        'billingAddress' => [
                'firstName' => '<string>',
                'lastName' => '<string>',
                'name' => '<string>',
                'address' => [
                                'line1' => '<string>',
                                'line2' => '<string>',
                                'city' => '<string>',
                                'state' => '<string>',
                                'country' => '<string>',
                                'stateCode' => '<string>',
                                'countryCode' => '<string>',
                                'postalCode' => '<string>'
                ],
                'company' => '<string>',
                'phoneNumber' => '<string>',
                'email' => '<string>',
                'googlePlaceId' => '<string>',
                'formattedAddress' => '<string>',
                'latitude' => 123,
                'longitude' => 123,
                'addressExpiresAt' => '2023-11-07T05:31:56Z'
        ],
        'acssDebit' => [
                'transitNumber' => '<string>',
                'institutionNumber' => '<string>',
                'accountNumber' => '<string>',
                'currency' => '<string>',
                'last4' => '<string>',
                'routingNumber' => '<string>',
                'bankName' => '<string>',
                'accountType' => '<string>',
                'fingerprint' => '<string>'
        ],
        'bankAccount' => [
                'transitNumber' => '<string>',
                'institutionNumber' => '<string>',
                'accountNumber' => '<string>',
                'currency' => '<string>',
                'last4' => '<string>',
                'routingNumber' => '<string>',
                'bankName' => '<string>',
                'accountType' => '<string>',
                'fingerprint' => '<string>'
        ],
        'card' => [
                'cardholderName' => '<string>',
                'cardholderFirstName' => '<string>',
                'cardholderLastName' => '<string>',
                'country' => '<string>',
                'brand' => '<string>',
                'displayBrand' => '<string>',
                'coBrand' => '<string>',
                'expirationMonth' => 123,
                'expirationYear' => 123,
                'last4' => '<string>',
                'dynamicLast4' => '<string>',
                'bin' => '<string>',
                'fingerprint' => [
                                'fingerprint' => '<string>'
                ]
        ],
        'giftCard' => [
                'provider' => '<string>',
                'cardNumber' => '<string>',
                'pin' => '<string>',
                'balance' => 123,
                'currency' => '<string>',
                'expirationDate' => '2023-11-07T05:31:56Z',
                'notes' => '<string>',
                'businessId' => 123,
                'assignedToUserId' => 123
        ],
        'businessId' => 123,
        'assignedToUserId' => 123
    ]
  ]),
  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://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch"

	payload := strings.NewReader("[\n  {\n    \"type\": \"<string>\",\n    \"stripeId\": \"<string>\",\n    \"setupIntentId\": \"<string>\",\n    \"billingAddress\": {\n      \"firstName\": \"<string>\",\n      \"lastName\": \"<string>\",\n      \"name\": \"<string>\",\n      \"address\": {\n        \"line1\": \"<string>\",\n        \"line2\": \"<string>\",\n        \"city\": \"<string>\",\n        \"state\": \"<string>\",\n        \"country\": \"<string>\",\n        \"stateCode\": \"<string>\",\n        \"countryCode\": \"<string>\",\n        \"postalCode\": \"<string>\"\n      },\n      \"company\": \"<string>\",\n      \"phoneNumber\": \"<string>\",\n      \"email\": \"<string>\",\n      \"googlePlaceId\": \"<string>\",\n      \"formattedAddress\": \"<string>\",\n      \"latitude\": 123,\n      \"longitude\": 123,\n      \"addressExpiresAt\": \"2023-11-07T05:31:56Z\"\n    },\n    \"acssDebit\": {\n      \"transitNumber\": \"<string>\",\n      \"institutionNumber\": \"<string>\",\n      \"accountNumber\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"last4\": \"<string>\",\n      \"routingNumber\": \"<string>\",\n      \"bankName\": \"<string>\",\n      \"accountType\": \"<string>\",\n      \"fingerprint\": \"<string>\"\n    },\n    \"bankAccount\": {\n      \"transitNumber\": \"<string>\",\n      \"institutionNumber\": \"<string>\",\n      \"accountNumber\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"last4\": \"<string>\",\n      \"routingNumber\": \"<string>\",\n      \"bankName\": \"<string>\",\n      \"accountType\": \"<string>\",\n      \"fingerprint\": \"<string>\"\n    },\n    \"card\": {\n      \"cardholderName\": \"<string>\",\n      \"cardholderFirstName\": \"<string>\",\n      \"cardholderLastName\": \"<string>\",\n      \"country\": \"<string>\",\n      \"brand\": \"<string>\",\n      \"displayBrand\": \"<string>\",\n      \"coBrand\": \"<string>\",\n      \"expirationMonth\": 123,\n      \"expirationYear\": 123,\n      \"last4\": \"<string>\",\n      \"dynamicLast4\": \"<string>\",\n      \"bin\": \"<string>\",\n      \"fingerprint\": {\n        \"fingerprint\": \"<string>\"\n      }\n    },\n    \"giftCard\": {\n      \"provider\": \"<string>\",\n      \"cardNumber\": \"<string>\",\n      \"pin\": \"<string>\",\n      \"balance\": 123,\n      \"currency\": \"<string>\",\n      \"expirationDate\": \"2023-11-07T05:31:56Z\",\n      \"notes\": \"<string>\",\n      \"businessId\": 123,\n      \"assignedToUserId\": 123\n    },\n    \"businessId\": 123,\n    \"assignedToUserId\": 123\n  }\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://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"type\": \"<string>\",\n    \"stripeId\": \"<string>\",\n    \"setupIntentId\": \"<string>\",\n    \"billingAddress\": {\n      \"firstName\": \"<string>\",\n      \"lastName\": \"<string>\",\n      \"name\": \"<string>\",\n      \"address\": {\n        \"line1\": \"<string>\",\n        \"line2\": \"<string>\",\n        \"city\": \"<string>\",\n        \"state\": \"<string>\",\n        \"country\": \"<string>\",\n        \"stateCode\": \"<string>\",\n        \"countryCode\": \"<string>\",\n        \"postalCode\": \"<string>\"\n      },\n      \"company\": \"<string>\",\n      \"phoneNumber\": \"<string>\",\n      \"email\": \"<string>\",\n      \"googlePlaceId\": \"<string>\",\n      \"formattedAddress\": \"<string>\",\n      \"latitude\": 123,\n      \"longitude\": 123,\n      \"addressExpiresAt\": \"2023-11-07T05:31:56Z\"\n    },\n    \"acssDebit\": {\n      \"transitNumber\": \"<string>\",\n      \"institutionNumber\": \"<string>\",\n      \"accountNumber\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"last4\": \"<string>\",\n      \"routingNumber\": \"<string>\",\n      \"bankName\": \"<string>\",\n      \"accountType\": \"<string>\",\n      \"fingerprint\": \"<string>\"\n    },\n    \"bankAccount\": {\n      \"transitNumber\": \"<string>\",\n      \"institutionNumber\": \"<string>\",\n      \"accountNumber\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"last4\": \"<string>\",\n      \"routingNumber\": \"<string>\",\n      \"bankName\": \"<string>\",\n      \"accountType\": \"<string>\",\n      \"fingerprint\": \"<string>\"\n    },\n    \"card\": {\n      \"cardholderName\": \"<string>\",\n      \"cardholderFirstName\": \"<string>\",\n      \"cardholderLastName\": \"<string>\",\n      \"country\": \"<string>\",\n      \"brand\": \"<string>\",\n      \"displayBrand\": \"<string>\",\n      \"coBrand\": \"<string>\",\n      \"expirationMonth\": 123,\n      \"expirationYear\": 123,\n      \"last4\": \"<string>\",\n      \"dynamicLast4\": \"<string>\",\n      \"bin\": \"<string>\",\n      \"fingerprint\": {\n        \"fingerprint\": \"<string>\"\n      }\n    },\n    \"giftCard\": {\n      \"provider\": \"<string>\",\n      \"cardNumber\": \"<string>\",\n      \"pin\": \"<string>\",\n      \"balance\": 123,\n      \"currency\": \"<string>\",\n      \"expirationDate\": \"2023-11-07T05:31:56Z\",\n      \"notes\": \"<string>\",\n      \"businessId\": 123,\n      \"assignedToUserId\": 123\n    },\n    \"businessId\": 123,\n    \"assignedToUserId\": 123\n  }\n]")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods/batch")

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  {\n    \"type\": \"<string>\",\n    \"stripeId\": \"<string>\",\n    \"setupIntentId\": \"<string>\",\n    \"billingAddress\": {\n      \"firstName\": \"<string>\",\n      \"lastName\": \"<string>\",\n      \"name\": \"<string>\",\n      \"address\": {\n        \"line1\": \"<string>\",\n        \"line2\": \"<string>\",\n        \"city\": \"<string>\",\n        \"state\": \"<string>\",\n        \"country\": \"<string>\",\n        \"stateCode\": \"<string>\",\n        \"countryCode\": \"<string>\",\n        \"postalCode\": \"<string>\"\n      },\n      \"company\": \"<string>\",\n      \"phoneNumber\": \"<string>\",\n      \"email\": \"<string>\",\n      \"googlePlaceId\": \"<string>\",\n      \"formattedAddress\": \"<string>\",\n      \"latitude\": 123,\n      \"longitude\": 123,\n      \"addressExpiresAt\": \"2023-11-07T05:31:56Z\"\n    },\n    \"acssDebit\": {\n      \"transitNumber\": \"<string>\",\n      \"institutionNumber\": \"<string>\",\n      \"accountNumber\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"last4\": \"<string>\",\n      \"routingNumber\": \"<string>\",\n      \"bankName\": \"<string>\",\n      \"accountType\": \"<string>\",\n      \"fingerprint\": \"<string>\"\n    },\n    \"bankAccount\": {\n      \"transitNumber\": \"<string>\",\n      \"institutionNumber\": \"<string>\",\n      \"accountNumber\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"last4\": \"<string>\",\n      \"routingNumber\": \"<string>\",\n      \"bankName\": \"<string>\",\n      \"accountType\": \"<string>\",\n      \"fingerprint\": \"<string>\"\n    },\n    \"card\": {\n      \"cardholderName\": \"<string>\",\n      \"cardholderFirstName\": \"<string>\",\n      \"cardholderLastName\": \"<string>\",\n      \"country\": \"<string>\",\n      \"brand\": \"<string>\",\n      \"displayBrand\": \"<string>\",\n      \"coBrand\": \"<string>\",\n      \"expirationMonth\": 123,\n      \"expirationYear\": 123,\n      \"last4\": \"<string>\",\n      \"dynamicLast4\": \"<string>\",\n      \"bin\": \"<string>\",\n      \"fingerprint\": {\n        \"fingerprint\": \"<string>\"\n      }\n    },\n    \"giftCard\": {\n      \"provider\": \"<string>\",\n      \"cardNumber\": \"<string>\",\n      \"pin\": \"<string>\",\n      \"balance\": 123,\n      \"currency\": \"<string>\",\n      \"expirationDate\": \"2023-11-07T05:31:56Z\",\n      \"notes\": \"<string>\",\n      \"businessId\": 123,\n      \"assignedToUserId\": 123\n    },\n    \"businessId\": 123,\n    \"assignedToUserId\": 123\n  }\n]"

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

[
  {
    "id": 123,
    "stripeId": "<string>",
    "setupIntentId": "<string>",
    "billingAddress": {
      "firstName": "<string>",
      "lastName": "<string>",
      "name": "<string>",
      "address": {
        "line1": "<string>",
        "line2": "<string>",
        "city": "<string>",
        "state": "<string>",
        "stateCode": "<string>",
        "country": "<string>",
        "countryCode": "<string>",
        "postalCode": "<string>",
        "location": {
          "longitude": 123,
          "latitude": 123
        },
        "googlePlaceId": "<string>",
        "formattedAddress": "<string>"
      },
      "company": "<string>",
      "phoneNumber": "<string>",
      "email": "<string>"
    },
    "card": {
      "last4": "<string>",
      "dynamicLast4": "<string>",
      "name": "<string>",
      "country": "<string>",
      "fingerprint": "<string>",
      "tokenizationMethod": "<string>",
      "expirationMonth": 123,
      "expirationYear": 123,
      "brand": "<string>",
      "displayBrand": "<string>",
      "bin": "<string>",
      "wallet": "<string>"
    },
    "bankAccount": {
      "bankName": "<string>",
      "last4": "<string>",
      "accountType": "<string>",
      "routingNumber": "<string>",
      "fingerprint": "<string>",
      "institutionNumber": "<string>",
      "transitNumber": "<string>"
    },
    "giftCard": {
      "provider": "<string>",
      "last4": "<string>",
      "balance": 123,
      "currency": "<string>",
      "expirationDate": "2023-11-07T05:31:56Z",
      "notes": "<string>"
    },
    "type": "<string>",
    "name": "<string>",
    "description": "<string>",
    "businessId": 123,
    "userId": 123,
    "assignedToUserId": 123,
    "wallet": "<string>"
  }
]