curl --request GET \
  --url https://sandbox-api.polygon.technology/v0.13/customers/{customerId} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://sandbox-api.polygon.technology/v0.13/customers/{customerId}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://sandbox-api.polygon.technology/v0.13/customers/{customerId}', 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://sandbox-api.polygon.technology/v0.13/customers/{customerId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://sandbox-api.polygon.technology/v0.13/customers/{customerId}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://sandbox-api.polygon.technology/v0.13/customers/{customerId}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox-api.polygon.technology/v0.13/customers/{customerId}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "id": "cst_01H9Xa8F5dN6mP3q",
  "type": "individual",
  "name": "Jane Smith",
  "firstName": "Jane",
  "middleName": null,
  "lastName": "Smith",
  "email": "jane@example.com",
  "phone": "+12125551234",
  "nationality": "US",
  "externalId": "crm-12345",
  "status": "active",
  "hold": {
    "code": "verificationRequired",
    "message": "<string>"
  },
  "failure": {
    "code": "onboardingRejected",
    "message": "<string>",
    "retryable": true
  },
  "signedAgreement": true,
  "signedAgreementAt": "2026-03-20T14:15:22Z",
  "totalBalance": {
    "totalUsd": "1250.00",
    "fiatUsd": "1000.00",
    "cryptoUsd": "250.00",
    "updatedAt": "2026-03-20T14:15:22Z"
  },
  "endorsements": [
    {
      "type": "basic",
      "status": "pending",
      "requirements": {
        "complete": [
          "<string>"
        ],
        "pending": [
          "<string>"
        ],
        "missing": [
          "<string>"
        ],
        "issues": [
          "<string>"
        ]
      },
      "failure": {
        "code": "onboardingRejected",
        "message": "<string>",
        "retryable": true
      }
    }
  ],
  "metadata": {},
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "companyLegalName": "<string>",
  "dbaName": "<string>",
  "formationDate": "<string>",
  "registrationCountry": "<string>",
  "registrationNumber": "<string>",
  "legalEntityType": "corporation",
  "ownershipType": "exempt",
  "taxIdType": "ein",
  "incorporationAddress": {
    "line1": "<string>",
    "line2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postalCode": "<string>",
    "country": "<string>"
  },
  "physicalAddress": {
    "line1": "<string>",
    "line2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postalCode": "<string>",
    "country": "<string>"
  },
  "websiteUrl": "<string>",
  "businessDescription": "<string>",
  "industry": "<string>",
  "industryFinancialServicesSubtype": "<string>",
  "industryCryptoSubtype": "<string>",
  "industryOtherDescription": "<string>",
  "sourceOfFundsOtherDescription": "<string>",
  "accountPurposesOtherDescription": "<string>",
  "primaryTargetMarketOtherDescription": "<string>",
  "sourceOfFunds": [
    "<string>"
  ],
  "accountPurposes": [
    "<string>"
  ],
  "primaryTargetMarket": "<string>",
  "expectedFiatMonthlyVolume": "<string>",
  "expectedCryptoMonthlyVolume": "<string>",
  "isMsb": true,
  "disclosureAccepted": true,
  "disclosureAcceptedAt": "2023-11-07T05:31:56Z",
  "disclosureVersion": "<string>",
  "disclosureIpAddress": "<string>",
  "hasBusinessTaxId": true
}

{
  "error": "Unauthorized",
  "code": 1000,
  "msg": "unauthorized access",
  "status": 401,
  "cause": "signature"
}

{
  "error": "Unauthorized",
  "code": 1000,
  "msg": "unauthorized access",
  "status": 401,
  "cause": "signature"
}