Kit

Kit Forms API

The Forms API from Kit — 4 operation(s) for forms.

GitHub OpenAPI
Business capability
Demand Generation Management BC-400.40

Operations 5

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /v4/bulk/forms/subscribers Add many subscribers to forms at once · Bulk add subscribers to forms #
Ask an LLM
“Can I add a large batch of subscribers to forms in one request?”
“Will bulk-adding people to a double opt-in form send them the incentive email?”
Tell an agent
Bulk add these subscribers to forms: {additions}.
Add the subscriber-form pairs {additions} in bulk and notify {callback_url} when finished.
GET /v4/forms List forms and landing pages · List forms #
Ask an LLM
“What signup forms and landing pages do I have?”
“Can I list only archived or trashed forms?”
Tell an agent
List my forms with status {status}.
Show only my forms of type {type}.
GET /v4/forms/{form_id}/subscribers List subscribers who joined via a form · List subscribers for a form #
Ask an LLM
“Who signed up through a particular form?”
“Can I see subscribers added to a form after a certain date?”
Tell an agent
List subscribers on form {form_id}.
Show subscribers added to form {form_id} after {added_after}.
POST /v4/forms/{form_id}/subscribers Add an existing subscriber to a form by email · Add subscriber to form by email address #
Ask an LLM
“How do I add someone to a form using just their email address?”
“Does the subscriber need to exist before I add their email to a form?”
Tell an agent
Add the subscriber with email {email_address} to form {form_id}.
Subscribe {email_address} to form {form_id} with referrer {referrer}.
POST /v4/forms/{form_id}/subscribers/{id} Add an existing subscriber to a form by id · Add subscriber to form #
Ask an LLM
“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?”
Tell an agent
Add subscriber id {id} to form {form_id} with referrer {referrer}.
Put subscriber {id} on form {form_id}, crediting referrer {referrer}.

Documentation

📖
Documentation
https://developers.kit.com/docs
📖
Authentication
https://developers.kit.com/api-reference/authentication

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/convertkit/refs/heads/main/openapi/convertkit-forms-api-openapi.yml

Other Resources

🔗
ChangeLog
https://developers.kit.com/changelog
🔗
Overlay
https://raw.githubusercontent.com/api-evangelist/convertkit/refs/heads/main/overlays/convertkit-forms-overlay.yaml

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OpenAPI Specification

convertkit-forms-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Kit Forms API
  version: '4.0'
servers:
- url: https://api.kit.com
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/convertkit/refs/heads/main/openapi/convertkit-forms-api-openapi.yml