Destructive

Manage A/B Variants

Inspect stored definitions with action='list'. action='remove' is supported for cleanup. action='add' fails with VARIANTS_NOT_APPLIED before any write.

manage_variantsDELETE/api/v1/campaigns/{campaign_id}/steps/{step_index}/variants/{variant_label}

Get started View docs

crispy — bash

Example prompt: List the stored variants on step 0 of gtm-engineers-apr26

{
  "success": true,
  "variants": [],
  "count": 0
}

Permission scope

core

Access

Destructive

What you can build

List stored definitions on a campaign step without changing them

Remove an inert stored definition that should no longer appear

Parameters

Inputs accepted by manage_variants.

Name	Type	Required	Description
campaign_id	`string`	required	Campaign slug (e.g. 'gtm-engineers-apr26').
action	`"list" \| "add" \| "remove"`	required	'list' returns stored variants; 'remove' deletes the named inert definition; 'add' currently fails with VARIANTS_NOT_APPLIED.
step_index	`number`	required	0-based index of the sequence step to manage variants for. Required: matches REST path /campaigns/{campaign_id}/steps/{step_index}/variants.
label	`string`	optional	Required for action='remove'. Names the stored definition to delete. action='add' also uses it but is currently disabled.
message_template	`string`	optional	Reserved for action='add', which is currently disabled.
subject	`string`	optional	Optional for action='add'. Subject line for InMail steps.
target	`"sequence" \| "follow_up"`	optional	Which step array to target. 'sequence' (default) = pre-send. 'follow_up' = post-acceptance.

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