Release a dedicated IP

curl --request DELETE \
  --url https://api.telnyx.com/v2/email/dedicated_ips/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reason": "No longer needed"
}
'

import requests

url = "https://api.telnyx.com/v2/email/dedicated_ips/{id}"

payload = { "reason": "No longer needed" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'DELETE',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({reason: 'No longer needed'})
};

fetch('https://api.telnyx.com/v2/email/dedicated_ips/{id}', 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.telnyx.com/v2/email/dedicated_ips/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
  CURLOPT_POSTFIELDS => json_encode([
    'reason' => 'No longer needed'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.telnyx.com/v2/email/dedicated_ips/{id}"

	payload := strings.NewReader("{\n  \"reason\": \"No longer needed\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.delete("https://api.telnyx.com/v2/email/dedicated_ips/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"reason\": \"No longer needed\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.telnyx.com/v2/email/dedicated_ips/{id}")

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

request = Net::HTTP::Delete.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"reason\": \"No longer needed\"\n}"

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

{
  "data": {
    "id": "6a7f9a30-1234-4b5c-8d9e-0f1a2b3c4d5e",
    "record_type": "dedicated_ip",
    "ip_address": "64.16.239.170",
    "ip_version": "ipv4",
    "pool_id": null,
    "region": "ewr-nj1",
    "status": "released",
    "warmup": {
      "started_at": null,
      "progress": 0,
      "daily_cap": null,
      "paused": false,
      "paused_at": null,
      "today": null
    },
    "billing": {
      "status": "stopping",
      "charged": true
    },
    "provisioning_status": "not_applicable",
    "provisioning": {
      "dns_status": "not_applicable",
      "ptr_request_state": "confirmed",
      "ptr_request_pr_url": null,
      "checklist": {
        "ptr_requested": true,
        "ptr_authored": false,
        "ptr_merged": true,
        "forward_confirmed": true
      }
    },
    "ptr_hostname": "mta-64-16-239-170.msgtelnyx.com",
    "dns_confirmed_at": "2026-10-14T20:12:41.552310Z",
    "quarantine_until": "2026-11-23T22:00:00.000000Z",
    "released_at": "2026-10-24T22:00:00.000000Z",
    "suspension_reason": null,
    "created_at": "2026-09-30T02:03:09.474123Z",
    "updated_at": "2026-10-24T22:00:00.000000Z"
  }
}

{
  "errors": [
    {
      "code": "<string>",
      "title": "<string>",
      "detail": "<string>",
      "source": {
        "pointer": "<string>",
        "parameter": "<string>"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "title": "<string>",
      "detail": "<string>",
      "source": {
        "pointer": "<string>",
        "parameter": "<string>"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "10001",
      "title": "Not Found",
      "detail": "The requested dedicated IP was not found"
    }
  ]
}

{
  "errors": [
    {
      "code": "40901",
      "title": "Conflict",
      "detail": "cannot release the last IP in a pool without force: true and drain: true (in-flight messages need a routable source)"
    }
  ]
}

{
  "errors": [
    {
      "code": "10015",
      "title": "Validation Failed",
      "detail": "cannot transition dedicated IP from released to released",
      "source": {
        "pointer": "/data/attributes/status"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "10031",
      "title": "Service Unavailable",
      "detail": "Dedicated IP Billing is unavailable — the purchase was not allocated; retry shortly"
    }
  ]
}