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Update A/B Test - Plugixa Chat

PUT /plugixa-chat/v1/experiments/{id}

Change a test. PUT and PATCH behave the same.

Needs Plugixa Chat Pro. The signed-in user needs the plugixa_chat_edit capability. Administrators have it.

Note. A draft is fully replaced: name, widget_a and widget_b are required, and a missing split goes back to 50. Once the test has started, only name can change; everything else you send is ignored without an error.

Request

PUT https://your-site.example/wp-json/plugixa-chat/v1/experiments/7

Path parameters

Name Type Description
id integer The test’s id

Request body

Content type: application/json

Field Type Required Description
name string Yes Up to 191 characters.
widget_a integer Yes An existing widget, not in the trash.
widget_b integer Yes Another existing widget.
split integer No Percentage of visitors shown widget A, 10 to 90. Defaults to 50. 
{
  "name": "Green button or blue button",
  "widget_a": 2,
  "widget_b": 5,
  "split": 50
}

Responses

200 OK. data is the updated test.

{
  "success": true,
  "data": {
    "id": 7,
    "name": "Green button or blue button",
    "widget_a": 2,
    "widget_b": 5,
    "split": 50,
    "status": "draft",
    "started_at": null,
    "ended_at": null,
    "winner_id": 0,
    "deleted_at": null,
    "created_at": "2026-11-12 09:30:00",
    "modified_at": "2026-11-12 09:30:00",
    "created_by": "1",
    "modified_by": "1"
  }
}
Field Type Meaning
data.id integer The test’s id
data.widget_a, data.widget_b integer The two widgets compared
data.split integer Percentage of visitors shown widget A. The rest see B
data.status string draft, running or ended

Errors

Status Code When
404 plugixa_chat_test_missing No test has this id, or it is in the trash.
400 plugixa_chat_test_name name is missing or blank.
400 plugixa_chat_test_widgets A widget is missing, does not exist or is in the trash.
400 plugixa_chat_test_same widget_a and widget_b are the same widget.
409 plugixa_chat_test_busy One of the widgets is already in a running test.

Plus the errors every endpoint can return.

Examples

curl -s -X PUT "https://your-site.example/wp-json/plugixa-chat/v1/experiments/7" \
  -u "admin:$WP_APP_PASSWORD" \
  -H "Content-Type: application/json" \
  -d '{"name":"Green button or blue button","widget_a":2,"widget_b":5,"split":50}'

<?php
$ch = curl_init('https://your-site.example/wp-json/plugixa-chat/v1/experiments/7');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST  => 'PUT',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_USERPWD        => 'admin:' . getenv('WP_APP_PASSWORD'),
    CURLOPT_HTTPHEADER     => [
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS     => json_encode([
        'name'     => 'Green button or blue button',
        'widget_a' => 2,
        'widget_b' => 5,
        'split'    => 50,
    ]),
]);
$response = json_decode(curl_exec($ch), true);
curl_close($ch);

const response = await fetch('https://your-site.example/wp-json/plugixa-chat/v1/experiments/7', {
  method: 'PUT',
  headers: {
    'Authorization': 'Basic ' + btoa(`admin:${process.env.WP_APP_PASSWORD}`),
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({ name: 'Green button or blue button', widget_a: 2, widget_b: 5, split: 50 }),
});
const { data } = await response.json();

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