curl --request DELETE \
  --url https://api.instantly.ai/api/v2/crm-actions/phone-numbers/{id} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.instantly.ai/api/v2/crm-actions/phone-numbers/{id}"

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

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

print(response.text)

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

fetch('https://api.instantly.ai/api/v2/crm-actions/phone-numbers/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

HttpResponse<String> response = Unirest.delete("https://api.instantly.ai/api/v2/crm-actions/phone-numbers/{id}")
  .header("Authorization", "Bearer <token>")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.instantly.ai/api/v2/crm-actions/phone-numbers/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
  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/crm-actions/phone-numbers/{id}"

	req, _ := http.NewRequest("DELETE", 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))

}

{
  "cleanup_pending": true,
  "id": "01a16b40-d19e-7235-9057-5973c034f2df",
  "timestamp_created": "2026-10-24T00:12:52.510Z",
  "organization_id": "01a16b40-d19e-7235-9057-59747723264b",
  "phone_number": "+15551234567",
  "country": "US",
  "locality": "San Francisco",
  "subscription_id": "sub_1PuaE1B3VEKBA0ygDAKk7QVc",
  "twilio_sid": "PN998dda028e07a49c8038b2206341d463"
}

{
  "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": 409,
  "error": "Conflict",
  "message": "This phone number cannot be released because the workspace has no phone account. Contact support to remove it."
}

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