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A/B Tests

Add A/B test variant

Adds a variant to a draft campaign A/B test. The variant body defaults to the campaign email when blocks are omitted.

post/ab-tests/{abTestId}/variants

Path parameters

abTestIdstring required

A/B test ID.

Request body

subjectstring required

Variant subject line.

previewTextstring

Variant preview text.

Example request

{
  "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 added

successboolean

Example response

{
  "success": true,
  "abTest": {
    "id": "ab_abc123",
    "companyId": "company_abc123",
    "campaignId": "camp_abc123",
    "automationNodeId": "node_abc123",
    "name": "Subject test",
    "status": "draft",
    "winnerCriteria": "open_rate",
    "variants": [
      {
        "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
            }
          }
        ]
      }
    ]
  }
}

Changes