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Add an existing subscriber to a form by id

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Add an existing subscriber to a form by id

with Kit · Demand Generation Management

Use Kit: its Kit Forms API lets you add an existing subscriber to a form by id in a single step (POST /v4/forms/{form_id}/subscribers/{id}). capabilities.work can help you get signed up and connected.

  • Can I add a subscriber to a form when I only have their subscriber id?
  • Is there a way to record the referrer when adding a known subscriber id to a form?
Say it to your AI assistant
  • Add subscriber id {id} to form {form_id} with referrer {referrer}.
  • Put subscriber {id} on form {form_id}, crediting referrer {referrer}.
For your developer

POST /v4/forms/{form_id}/subscribers/{id} in Kit Forms API. Full spec on APIs.io.