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PUT
/
api
/
v1
/
Account
/
{auth_id}
/
trunks
/
{trunk_id}
Update a trunk
curl --request PUT \
  --url https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/{trunk_id} \
  --header 'Content-Type: application/json' \
  --header 'X-Auth-ID: <api-key>' \
  --header 'X-Auth-Token: <api-key>' \
  --data '
{
  "name": "<string>",
  "secure": true,
  "trunk_domain": "<string>",
  "inbound_destination": "<string>",
  "description": "<string>",
  "concurrent_calls_limit": 500,
  "cps_limit": 50,
  "credential_uuid": "<string>",
  "ipacl_uuid": "<string>",
  "primary_uri_uuid": "<string>",
  "fallback_uri_uuid": "<string>",
  "recording": true,
  "enable_transcription": true,
  "pii_redaction": true,
  "pii_entity_types": "<string>",
  "webhook_url": "<string>",
  "webhook_method": "POST",
  "recording_webhook_enabled": true
}
'
import requests

url = "https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/{trunk_id}"

payload = {
    "name": "<string>",
    "secure": True,
    "trunk_domain": "<string>",
    "inbound_destination": "<string>",
    "description": "<string>",
    "concurrent_calls_limit": 500,
    "cps_limit": 50,
    "credential_uuid": "<string>",
    "ipacl_uuid": "<string>",
    "primary_uri_uuid": "<string>",
    "fallback_uri_uuid": "<string>",
    "recording": True,
    "enable_transcription": True,
    "pii_redaction": True,
    "pii_entity_types": "<string>",
    "webhook_url": "<string>",
    "webhook_method": "POST",
    "recording_webhook_enabled": True
}
headers = {
    "X-Auth-ID": "<api-key>",
    "X-Auth-Token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)
const options = {
  method: 'PUT',
  headers: {
    'X-Auth-ID': '<api-key>',
    'X-Auth-Token': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    name: '<string>',
    secure: true,
    trunk_domain: '<string>',
    inbound_destination: '<string>',
    description: '<string>',
    concurrent_calls_limit: 500,
    cps_limit: 50,
    credential_uuid: '<string>',
    ipacl_uuid: '<string>',
    primary_uri_uuid: '<string>',
    fallback_uri_uuid: '<string>',
    recording: true,
    enable_transcription: true,
    pii_redaction: true,
    pii_entity_types: '<string>',
    webhook_url: '<string>',
    webhook_method: 'POST',
    recording_webhook_enabled: true
  })
};

fetch('https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/{trunk_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
{
  "trunk_id": "99887766-1234-5678-90ab-cdef12345678",
  "account_id": "MA_XXXXXXXX",
  "name": "Acme Production Trunk Updated",
  "trunk_domain": "99887766-1234-5678-90ab-cdef12345678.sip.vobiz.ai",
  "trunk_status": "active",
  "secure": false,
  "trunk_direction": "both",
  "concurrent_calls_limit": 10,
  "cps_limit": 2,
  "description": "",
  "transport": "udp",
  "recording": false,
  "enable_transcription": false,
  "pii_redaction": false,
  "webhook_method": "POST",
  "recording_webhook_enabled": false,
  "created_at": "2026-03-25T10:00:00Z",
  "updated_at": "2026-03-25T10:05:00Z"
}
PUT https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/{trunk_id}
Use this endpoint to update the configuration of an existing trunk. You can modify the name, description, and rate limits. Include only the fields you want to update; other fields will remain unchanged.
Authentication required:
  • X-Auth-ID - Your account Auth ID
  • X-Auth-Token - Your account Auth Token
  • Content-Type: application/json
Note: trunk_id and auth_id cannot be changed after creation.

​
Request Parameters

Send all three fields on every update - this is a replace, not a partial patch. To keep a value unchanged, resend its current value (fetch it first with Retrieve a Trunk).
FieldTypeRequiredDescription
namestringYesName for the trunk. Maximum 255 characters.
max_concurrent_callsintegerYesMaximum number of simultaneous calls. Surfaces as concurrent_calls_limit on the trunk object.
enabledbooleanYesWhether the trunk is active. Set to false to disable without deleting.

​
Examples

curl -X PUT https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/bfab10fb-cb97-488b-9c63-989c32980b0f \
  -H "X-Auth-ID: YOUR_AUTH_ID" \
  -H "X-Auth-Token: YOUR_AUTH_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Updated Production Trunk",
    "max_concurrent_calls": 10,
    "enabled": true
  }'

curl -X PUT https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/bfab10fb-cb97-488b-9c63-989c32980b0f \
  -H "X-Auth-ID: YOUR_AUTH_ID" \
  -H "X-Auth-Token: YOUR_AUTH_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Acme Production Trunk",
    "max_concurrent_calls": 10,
    "enabled": false
  }'

curl -X PUT https://api.vobiz.ai/api/v1/Account/{auth_id}/trunks/bfab10fb-cb97-488b-9c63-989c32980b0f \
  -H "X-Auth-ID: YOUR_AUTH_ID" \
  -H "X-Auth-Token: YOUR_AUTH_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Acme Production Trunk",
    "max_concurrent_calls": 25,
    "enabled": true
  }'

​
Response

Returns the complete trunk object with updated values and a new updated_at timestamp.
Response - 200 OK
{
  "trunk_id": "aabbccdd-1234-5678-90ab-cdef12345678",
  "account_id": "MA_XXXXXXXX",
  "name": "Acme Production Trunk",
  "trunk_domain": "aabbccdd-1234-5678-90ab-cdef12345678.sip.vobiz.ai",
  "trunk_status": "active",
  "secure": false,
  "trunk_direction": "both",
  "concurrent_calls_limit": 10,
  "cps_limit": 2,
  "description": "",
  "transport": "udp",
  "recording": false,
  "enable_transcription": false,
  "pii_redaction": false,
  "webhook_method": "POST",
  "recording_webhook_enabled": false,
  "created_at": "2026-05-12T05:11:52.054462Z",
  "updated_at": "2026-05-12T05:12:18.147340Z"
}
Best Practice: Disable a trunk instead of deleting it if you might need the configuration later. Disabled trunks do not handle calls but preserve all settings, credentials, and routing rules.

Authorizations

​
X-Auth-ID
string
header
required

Your Vobiz account Auth ID

​
X-Auth-Token
string
header
required

Your Vobiz account Auth Token

Path Parameters

​
auth_id
string
required

Your account Auth ID

Example:

"MA_XXXXXX"

​
trunk_id
string
required

Body

application/json

All fields are optional — send only what you want to change. Does not accept username/password (rotate credentials via the credentials subresource endpoint).

​
name
string
Maximum string length: 100
​
trunk_direction
enum<string>

Direction of the trunk — inbound or outbound only.

Available options:
inbound,
outbound
​
trunk_status
enum<string>
Available options:
enabled,
disabled
​
secure
boolean
​
trunk_domain
string
Maximum string length: 255
​
transport
enum<string>
Available options:
udp,
tcp,
tls
​
inbound_destination
string
Maximum string length: 255
​
description
string
Maximum string length: 500
​
concurrent_calls_limit
integer
Required range: 0 <= x <= 1000
​
cps_limit
integer
Required range: 0 <= x <= 100
​
credential_uuid
string
​
ipacl_uuid
string
​
primary_uri_uuid
string
​
fallback_uri_uuid
string
​
recording
boolean
​
enable_transcription
boolean
​
pii_redaction
boolean
​
pii_entity_types
string
​
webhook_url
string

Customer webhook for call-admission events (CallInitiated / Hangup). Public http/https URL; SSRF-validated. See Trunk Webhooks.

Maximum string length: 500
​
webhook_method
enum<string>
default:POST
Available options:
POST,
GET
​
recording_webhook_enabled
boolean

Response

200 - application/json

Trunk updated

​
trunk_id
string
required
​
account_id
string
required
​
name
string
required
​
trunk_domain
string
required
​
trunk_status
string
required
​
secure
boolean
required
​
trunk_direction
string
required
​
concurrent_calls_limit
integer
required
​
cps_limit
integer
required
​
description
string
required
​
transport
string
required
​
recording
boolean
required
​
enable_transcription
boolean
required
​
pii_redaction
boolean
required
​
webhook_method
string
required
​
recording_webhook_enabled
boolean
required
​
created_at
string
required
​
updated_at
string
required