curl --request POST \
  --url https://api-sandbox.revolv3.com/api/Subscriptions/pan-lookup \
  --header 'Content-Type: application/json-patch+json' \
  --header 'x-revolv3-token: <api-key>' \
  --data '
{
  "paymentAccountNumber": "4111111111111111"
}
'

import requests

url = "https://api-sandbox.revolv3.com/api/Subscriptions/pan-lookup"

payload = { "paymentAccountNumber": "4111111111111111" }
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({paymentAccountNumber: '4111111111111111'})
};

fetch('https://api-sandbox.revolv3.com/api/Subscriptions/pan-lookup', 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/pan-lookup",
  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([
    'paymentAccountNumber' => '4111111111111111'
  ]),
  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/pan-lookup"

	payload := strings.NewReader("{\n  \"paymentAccountNumber\": \"4111111111111111\"\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/pan-lookup")
  .header("x-revolv3-token", "<api-key>")
  .header("Content-Type", "application/json-patch+json")
  .body("{\n  \"paymentAccountNumber\": \"4111111111111111\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-sandbox.revolv3.com/api/Subscriptions/pan-lookup")

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  \"paymentAccountNumber\": \"4111111111111111\"\n}"

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

[
  {
    "subscriptionId": 1,
    "customerId": 3,
    "merchantSubscriptionRefId": null,
    "networkTransactionId": null,
    "billingIntervalType": "Days",
    "billingIntervalCount": 1,
    "subscriptionStatusType": "current",
    "subscriptionCancelType": null,
    "initialBillDate": "9/1/2026",
    "nextBillDate": "9/2/2026",
    "taxAddress": {
      "addressId": 0,
      "addressLine1": "101 Update Street",
      "addressLine2": null,
      "city": "Irvine",
      "state": "CA",
      "postalCode": "92602",
      "phoneNumber": null,
      "email": null,
      "country": "US"
    },
    "paymentMethodIds": [
      1
    ],
    "cancelledAt": null,
    "billingPlans": [
      {
        "subscriptionBillingPlanId": 1,
        "subscriptionId": 0,
        "name": "Billing Plan 1",
        "value": 10.99,
        "startDate": "9/1/2026",
        "cyclesRemaining": -1,
        "cycleCount": 0,
        "valueType": "Standard"
      },
      {
        "subscriptionBillingPlanId": 2,
        "subscriptionId": 0,
        "name": "Billing Plan 2",
        "value": 14.99,
        "startDate": "9/1/2026",
        "cyclesRemaining": 12,
        "cycleCount": 0,
        "valueType": "Standard"
      }
    ],
    "message": null,
    "paymentProcessor": null,
    "processorMerchantId": null,
    "processorRawResponse": null,
    "currency": null,
    "responseMessage": null,
    "responseCode": null
  },
  {
    "subscriptionId": 2,
    "customerId": 3,
    "merchantSubscriptionRefId": null,
    "networkTransactionId": null,
    "billingIntervalType": "Months",
    "billingIntervalCount": 1,
    "subscriptionStatusType": "recycled",
    "subscriptionCancelType": null,
    "initialBillDate": "9/1/2026",
    "nextBillDate": "9/2/2026",
    "taxAddress": null,
    "paymentMethodIds": null,
    "cancelledAt": null,
    "billingPlans": null,
    "message": null,
    "paymentProcessor": null,
    "processorMerchantId": null,
    "processorRawResponse": null,
    "currency": null,
    "responseMessage": 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."
}