Kit

Kit Subscribers API

The Subscribers API from Kit — 7 operation(s) for subscribers.

Business capability
Customer Data Management BC-420.10

Operations 9

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/subscribers Create many subscribers at once · Bulk create subscribers #
Ask an LLM
“Can I import thousands of subscribers in one request?”
“How do I get told when a bulk subscriber import finishes processing?”
Tell an agent
Bulk create these subscribers: {subscribers}.
Import {subscribers} in bulk and post the result to {callback_url}.
GET /v4/subscribers List and filter subscribers · List subscribers #
Ask an LLM
“Which subscribers joined my list in the last month?”
“Can I find a subscriber by email address in the subscriber list?”
Tell an agent
List subscribers created after {created_after}.
Find the subscriber with email {email_address}.
POST /v4/subscribers Create or upsert a subscriber · Create a subscriber #
Ask an LLM
“How do I add a new subscriber to my email list?”
“What happens if I create a subscriber whose email already exists?”
Tell an agent
Create a subscriber with email {email_address} and first name {first_name}.
Add {email_address} as a new subscriber in state {state}.
POST /v4/subscribers/filter Filter subscribers by engagement · Filter subscribers based on engagement #
Ask an LLM
“Which subscribers opened or clicked my emails recently?”
“Can I find subscribers who meet several engagement conditions at once?”
Tell an agent
Find subscribers matching all of these engagement conditions: {all}.
Filter subscribers by engagement using {all} with counting mode {counting_mode}.
GET /v4/subscribers/{id} Get a subscriber · Get a subscriber #
Ask an LLM
“Can I look up one subscriber's details by their id?”
“What state and custom fields does a specific subscriber have?”
Tell an agent
Get subscriber {id}.
Show me the profile and custom fields of subscriber {id}.
PUT /v4/subscribers/{id} Update a subscriber's details · Update a subscriber #
Ask an LLM
“How do I change an existing subscriber's email address or first name?”
“Why does updating a subscriber fail when I pass an unknown custom field key?”
Tell an agent
Change subscriber {id}'s email to {email_address}.
Update subscriber {id} with email {email_address} and custom fields {fields}.
POST /v4/subscribers/{id}/unsubscribe Unsubscribe a subscriber · Unsubscribe subscriber #
Ask an LLM
“How do I unsubscribe someone from all my emails?”
“Can I cancel a subscriber's subscription through the API?”
Tell an agent destructive · confirm first
Unsubscribe subscriber {id}.
Stop all emails to subscriber {id} by unsubscribing them.
GET /v4/subscribers/{subscriber_id}/stats Get email stats for one subscriber · List stats for a subscriber #
Ask an LLM
“How engaged is a specific subscriber with my emails?”
“Can I limit a subscriber's open and click stats to emails sent in a date range?”
Tell an agent
Show email stats for subscriber {subscriber_id}.
Get subscriber {subscriber_id}'s stats for emails sent after {email_sent_after}.
GET /v4/subscribers/{subscriber_id}/tags List a subscriber's tags · List tags for a subscriber #
Ask an LLM
“Which tags are applied to a particular subscriber?”
“Can I see every tag one person has been given?”
Tell an agent
List the tags on subscriber {subscriber_id}.
Show which tags subscriber {subscriber_id} has.

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OpenAPI Specification

convertkit-subscribers-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Kit Subscribers 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-subscribers-api-openapi.yml