curl --request GET \
  --url https://api.fastcac.com/v1/registrations/{registration_id}/query \
  --header 'Authorization: Bearer <token>'

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

fetch('https://api.fastcac.com/v1/registrations/{registration_id}/query', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.fastcac.com/v1/registrations/{registration_id}/query"

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

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

print(response.text)

package main

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

func main() {

	url := "https://api.fastcac.com/v1/registrations/{registration_id}/query"

	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))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.fastcac.com/v1/registrations/{registration_id}/query",
  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;
}

{
  "raised_at": "2026-10-23T22:17:59Z",
  "answered_at": null,
  "items": [
    {
      "field": "proposed_names",
      "code": "qualifier_missing",
      "message": "Proposed name does not include any business name qualifier, please add a qualifier to improve chances of approval. e.g \"ventures\", \"concepts\", \"enterprises\", \"beauty\", \"fashion\"",
      "resolved": false
    },
    {
      "field": "proprietors[0].documents.passport",
      "code": "document_unclear",
      "message": "Passport is not clear or does not match photo on MEANS_OF_ID",
      "resolved": false
    }
  ],
  "object": "registration_query",
  "registration_id": "reg_2qExWyeT9fRbV21N4FJuPO"
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "api_key_missing",
    "message": "Send your API key as `Authorization: Bearer <key>`.",
    "param": null,
    "request_id": "req_kdwpKsFMKS4VzLjqZJ0ntdrl"
  }
}

{
  "error": {
    "type": "permission_error",
    "code": "live_mode_unavailable",
    "message": "Live registrations aren't open yet. Use a test key (fc_test_…) for now.",
    "param": null,
    "request_id": "req_oYVCIHqeYbgIA3lIzwG0PO5r"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "resource_missing",
    "message": "No such registration: reg_0000000000000000000000.",
    "param": "id",
    "request_id": "req_RlcFqswqrJZos4pnRMH3wa8d"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>"
  }
}