curl --request POST \
  --url https://api-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment \
  --header 'Content-Type: application/json-patch+json' \
  --header 'x-revolv3-token: <api-key>' \
  --data '
{
  "merchantInvoiceRefId": "5fb27a2c-bda4-48e8-9993-5be68a5a399c",
  "invoiceLineItems": [
    {
      "name": "Invoice Line Item 1",
      "description": null,
      "value": 10.99,
      "valueType": "Standard"
    },
    {
      "name": "Invoice Line Item 2",
      "description": null,
      "value": 11.99,
      "valueType": "Standard"
    },
    {
      "name": "Invoice Line Item 3",
      "description": null,
      "value": 12.99,
      "valueType": "Standard"
    }
  ]
}
'

import requests

url = "https://api-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment"

payload = {
    "merchantInvoiceRefId": "5fb27a2c-bda4-48e8-9993-5be68a5a399c",
    "invoiceLineItems": [
        {
            "name": "Invoice Line Item 1",
            "description": None,
            "value": 10.99,
            "valueType": "Standard"
        },
        {
            "name": "Invoice Line Item 2",
            "description": None,
            "value": 11.99,
            "valueType": "Standard"
        },
        {
            "name": "Invoice Line Item 3",
            "description": None,
            "value": 12.99,
            "valueType": "Standard"
        }
    ]
}
headers = {
    "x-revolv3-token": "<api-key>",
    "Content-Type": "application/json-patch+json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-revolv3-token': '<api-key>', 'Content-Type': 'application/json-patch+json'},
  body: JSON.stringify({
    merchantInvoiceRefId: '5fb27a2c-bda4-48e8-9993-5be68a5a399c',
    invoiceLineItems: [
      {
        name: 'Invoice Line Item 1',
        description: null,
        value: 10.99,
        valueType: 'Standard'
      },
      {
        name: 'Invoice Line Item 2',
        description: null,
        value: 11.99,
        valueType: 'Standard'
      },
      {
        name: 'Invoice Line Item 3',
        description: null,
        value: 12.99,
        valueType: 'Standard'
      }
    ]
  })
};

fetch('https://api-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment', 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-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment",
  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([
    'merchantInvoiceRefId' => '5fb27a2c-bda4-48e8-9993-5be68a5a399c',
    'invoiceLineItems' => [
        [
                'name' => 'Invoice Line Item 1',
                'description' => null,
                'value' => 10.99,
                'valueType' => 'Standard'
        ],
        [
                'name' => 'Invoice Line Item 2',
                'description' => null,
                'value' => 11.99,
                'valueType' => 'Standard'
        ],
        [
                'name' => 'Invoice Line Item 3',
                'description' => null,
                'value' => 12.99,
                'valueType' => 'Standard'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json-patch+json",
    "x-revolv3-token: <api-key>"
  ],
]);

$response = curl_exec($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-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment"

	payload := strings.NewReader("{\n  \"merchantInvoiceRefId\": \"5fb27a2c-bda4-48e8-9993-5be68a5a399c\",\n  \"invoiceLineItems\": [\n    {\n      \"name\": \"Invoice Line Item 1\",\n      \"description\": null,\n      \"value\": 10.99,\n      \"valueType\": \"Standard\"\n    },\n    {\n      \"name\": \"Invoice Line Item 2\",\n      \"description\": null,\n      \"value\": 11.99,\n      \"valueType\": \"Standard\"\n    },\n    {\n      \"name\": \"Invoice Line Item 3\",\n      \"description\": null,\n      \"value\": 12.99,\n      \"valueType\": \"Standard\"\n    }\n  ]\n}")

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

	req.Header.Add("x-revolv3-token", "<api-key>")
	req.Header.Add("Content-Type", "application/json-patch+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-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment")
  .header("x-revolv3-token", "<api-key>")
  .header("Content-Type", "application/json-patch+json")
  .body("{\n  \"merchantInvoiceRefId\": \"5fb27a2c-bda4-48e8-9993-5be68a5a399c\",\n  \"invoiceLineItems\": [\n    {\n      \"name\": \"Invoice Line Item 1\",\n      \"description\": null,\n      \"value\": 10.99,\n      \"valueType\": \"Standard\"\n    },\n    {\n      \"name\": \"Invoice Line Item 2\",\n      \"description\": null,\n      \"value\": 11.99,\n      \"valueType\": \"Standard\"\n    },\n    {\n      \"name\": \"Invoice Line Item 3\",\n      \"description\": null,\n      \"value\": 12.99,\n      \"valueType\": \"Standard\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-sandbox.revolv3.com/api/Subscriptions/{subscriptionId}/payment")

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

request = Net::HTTP::Post.new(url)
request["x-revolv3-token"] = '<api-key>'
request["Content-Type"] = 'application/json-patch+json'
request.body = "{\n  \"merchantInvoiceRefId\": \"5fb27a2c-bda4-48e8-9993-5be68a5a399c\",\n  \"invoiceLineItems\": [\n    {\n      \"name\": \"Invoice Line Item 1\",\n      \"description\": null,\n      \"value\": 10.99,\n      \"valueType\": \"Standard\"\n    },\n    {\n      \"name\": \"Invoice Line Item 2\",\n      \"description\": null,\n      \"value\": 11.99,\n      \"valueType\": \"Standard\"\n    },\n    {\n      \"name\": \"Invoice Line Item 3\",\n      \"description\": null,\n      \"value\": 12.99,\n      \"valueType\": \"Standard\"\n    }\n  ]\n}"

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

{
  "invoiceId": 1,
  "merchantInvoiceRefId": null,
  "invoiceStatus": 0,
  "invoiceAttemptStatus": "Success",
  "message": null,
  "subtotal": 10.99,
  "taxAmount": 0.98,
  "total": 11.97,
  "paymentMethodTypeId": 0,
  "processorRawResponse": null,
  "responseCode": null
}

{
  "message": "Unable to perform the request action with provided data."
}

{
  "message": "Attempted to perform an unauthorized operation."
}

{
  "message": "Unable to find an entity with the provided data."
}