curl --request GET \
  --url https://api.instantly.ai/api/v2/custom-tag-mappings \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.instantly.ai/api/v2/custom-tag-mappings"

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

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

print(response.text)

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

fetch('https://api.instantly.ai/api/v2/custom-tag-mappings', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

HttpResponse<String> response = Unirest.get("https://api.instantly.ai/api/v2/custom-tag-mappings")
  .header("Authorization", "Bearer <token>")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.instantly.ai/api/v2/custom-tag-mappings",
  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://api.instantly.ai/api/v2/custom-tag-mappings"

	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))

}

{
  "items": [
    {
      "id": "01a082d0-33ba-763f-82a3-ce108d154b82",
      "tag_id": "01a082d0-33ba-763f-82a3-ce115232d709",
      "resource_id": "01a082d0-33ba-763f-82a3-ce12a4788640",
      "resource_type": 1,
      "timestamp_created": "2026-09-08T20:57:57.946Z",
      "organization_id": "01a082d0-33bb-7439-9273-4d52c561ce0e"
    }
  ],
  "next_starting_after": "01a082d0-83b1-7d6c-a271-9f3ad804a4e9"
}

{
  "statusCode": 401,
  "error": "Unauthorized",
  "message": "Missing Authorization header"
}

{
  "statusCode": 402,
  "error": "Payment Required",
  "message": "Workspace does not have an active paid plan"
}

{
  "statusCode": 404,
  "error": "Not Found",
  "message": "Resource not found"
}

{
  "statusCode": 429,
  "error": "Too Many Requests",
  "message": "Rate limit exceeded"
}