curl --request POST \
  --url https://api.smartbills.io/v1/businesses/{businessId}/customers/{customerId}/payment-methods \
  --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"

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', 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",
  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"

	payload := strings.NewReader("{\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}")

	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")
  .header("Content-Type", "application/json")
  .body("{\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}")
  .asString();

require 'uri'
require 'net/http'

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

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  \"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}"

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>"
}