Release a dedicated IP

Release the dedicated IP to Telnyx. The IP stops carrying mail immediately, leaves its pool, and moves to released. Telnyx sets quarantine_until to 30 days after release. Release requests that the MRC stop asynchronously. Check billing: stopping means the stop is pending, stopped means it completed, and stop_failed means the charge remains. If the charge was never created or its creation has not completed, billing keeps showing the creation status (not_started, pending, in_progress, or failed). Any status except released can be released. Releasing the last IP in a pool requires force=true and drain=true.

DELETE

dedicated_ips

{id}

JavaScript

import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});

await client.email.dedicatedIps.delete('id');

package main

import (
	"context"

	"github.com/team-telnyx/telnyx-go"
	"github.com/team-telnyx/telnyx-go/option"
)

func main() {
	client := telnyx.NewClient(
		option.WithAPIKey("My API Key"),
	)
	err := client.Email.DedicatedIps.Delete(
		context.TODO(),
		"id",
		telnyx.EmailDedicatedIPDeleteParams{
		},
	)
	if err != nil {
		panic(err.Error())
	}
}

package com.telnyx.sdk.example;

import com.telnyx.sdk.client.TelnyxClient;
import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient;
import com.telnyx.sdk.models.email.dedicatedIps.DedicatedIpDeleteParams;

public final class Main {
    private Main() {}

    public static void main(String[] args) {
        TelnyxClient client = TelnyxOkHttpClient.fromEnv();

        DedicatedIpDeleteParams params = DedicatedIpDeleteParams.builder()
            .build();
        client.email().dedicatedIps().delete("id", params);
    }
}

<?php

require_once dirname(__DIR__) . '/vendor/autoload.php';

use Telnyx\Client;
use Telnyx\Core\Exceptions\APIException;

$client = new Client(apiKey: getenv('TELNYX_API_KEY') ?: 'My API Key');

try {
  $dedicated_ip_show = $client->email->dedicatedIps->delete(
    'id',
  );

  var_dump($dedicated_ip_show);
} catch (APIException $e) {
  echo $e->getMessage();
}

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"
}
'

{
  "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"
    }
  ]
}

Authorizations

Authorization

string

header

required

Telnyx API key supplied as Authorization: Bearer <token>. In production, auth may be validated by the API gateway and forwarded via Telnyx auth headers.

Path Parameters

string<uuid>

required

The dedicated IP identifier (UUID).

Query Parameters

force

boolean

default:false

Set together with drain=true to release the last IP in a pool. Either flag alone has no effect. Also accepted in the JSON body.

drain

boolean

default:false

Set together with force=true to release the last IP in a pool. Acknowledges that mail routed to the emptied pool is held until the pool has a sendable IP again. Also accepted in the JSON body.

reason

string

Free-text reason recorded with the release. Also accepted in the JSON body.

Body

application/json

Optional release options. The same fields are accepted as query parameters.

force

boolean

default:false

Set together with drain: true to release the last IP in a pool. Either flag alone has no effect.

drain

boolean

default:false

Set together with force: true to release the last IP in a pool. Acknowledges that mail routed to the emptied pool is held until the pool has a sendable IP again.

reason

string

Free-text reason recorded with the release.

Response

Released dedicated IP

data

object

required

A dedicated sending IP address owned by the account.

Show child attributes

JavaScript

import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});

await client.email.dedicatedIps.delete('id');

package main

import (
	"context"

	"github.com/team-telnyx/telnyx-go"
	"github.com/team-telnyx/telnyx-go/option"
)

func main() {
	client := telnyx.NewClient(
		option.WithAPIKey("My API Key"),
	)
	err := client.Email.DedicatedIps.Delete(
		context.TODO(),
		"id",
		telnyx.EmailDedicatedIPDeleteParams{
		},
	)
	if err != nil {
		panic(err.Error())
	}
}

package com.telnyx.sdk.example;

import com.telnyx.sdk.client.TelnyxClient;
import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient;
import com.telnyx.sdk.models.email.dedicatedIps.DedicatedIpDeleteParams;

public final class Main {
    private Main() {}

    public static void main(String[] args) {
        TelnyxClient client = TelnyxOkHttpClient.fromEnv();

        DedicatedIpDeleteParams params = DedicatedIpDeleteParams.builder()
            .build();
        client.email().dedicatedIps().delete("id", params);
    }
}

<?php

require_once dirname(__DIR__) . '/vendor/autoload.php';

use Telnyx\Client;
use Telnyx\Core\Exceptions\APIException;

$client = new Client(apiKey: getenv('TELNYX_API_KEY') ?: 'My API Key');

try {
  $dedicated_ip_show = $client->email->dedicatedIps->delete(
    'id',
  );

  var_dump($dedicated_ip_show);
} catch (APIException $e) {
  echo $e->getMessage();
}

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"
}
'

{
  "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"
    }
  ]
}

Getting Started

Sending Email

Inboxes

Domains & Validation

Deliverability

Templates & Suppression

Events & Webhooks

For AI Agents

Release a dedicated IP

Authorizations

Path Parameters

Query Parameters

Body

Response