A/B Tests

Update A/B test variant

Updates a draft A/B test variant's subject, preview text, or body content.

patch/ab-tests/{abTestId}/variants/{variantId}

Path parameters

abTestIdstring required

A/B test ID.

variantIdstring required

Variant ID.

Request body

htmlstring

Raw HTML body. Provide either html or blocks, not both.

subjectstring

previewTextstring nullable

Example request

{
  "html": "<h1>Hello</h1>",
  "blocks": [
    {
      "id": "block_123",
      "type": "html",
      "content": "<h1>Hello</h1>",
      "styles": {
        "backgroundColor": "#f8fafc",
        "backgroundOpacity": 80,
        "textColor": "#111827",
        "borderRadius": 12,
        "borderColor": "#cbd5e1",
        "borderWidth": 1
      }
    }
  ]
}

Response

Variant updated

successboolean

Example response

{
  "success": true,
  "variant": {
    "id": "var_a",
    "variantId": "var_a",
    "abTestId": "ab_abc123",
    "label": "A",
    "variantLabel": "A",
    "emailId": "email_abc123",
    "subject": "Welcome",
    "blocks": [
      {
        "id": "block_123",
        "type": "html",
        "content": "<h1>Hello</h1>",
        "styles": {
          "backgroundColor": "#f8fafc",
          "backgroundOpacity": 80,
          "textColor": "#111827",
          "borderRadius": 12,
          "borderColor": "#cbd5e1",
          "borderWidth": 1
        }
      }
    ]
  }
}