Preview Template Substitution

Preview template variable substitution without personalization.

This endpoint renders a template with actual lead data but WITHOUT AI personalization. Useful for previewing what substitutions will look like before launching a campaign.

Args: campaign_id: Campaign ID step_index: Step index to preview variant_label: Variant label to preview lead_row_index: Row index of lead in dataset to use for preview current_user: Authenticated user campaign_service: Campaign service instance

Returns: Preview of subject and body with variables substituted

POST /api/v1/campaigns/{campaign_id}/template-preview

Preview Template Substitution

cURL

curl --request POST \
  --url https://api.example.com/api/v1/campaigns/{campaign_id}/template-preview \
  --header 'Authorization: Bearer <token>'

200

{}

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

campaign_id · string<uuid> · required

Query Parameters

step_index · integer · required

Step index to preview

Required range: x >= 0

variant_label · string · required

Variant label to preview

lead_row_index · integer · required

Lead row index in dataset

Required range: x >= 0

Response

200

application/json

Successful Response

{key} · string