Kit website screenshot

Kit

Kit (formerly ConvertKit) is a creator email marketing platform whose REST API v4 covers subscribers, tags, custom fields, forms and landing pages, sequences, broadcasts, snippets, posts, purchases, segments and webhooks across 72 operations on https://api.kit.com/v4. It authenticates with an X-Kit-Api-Key header for personal automation or OAuth 2.0 (PKCE, dynamic client registration, rotating single-use refresh tokens) for apps published to the Kit App Store, and uses cursor-based pagination, an OAuth-only bulk namespace with async callbacks, and eventually-consistent list reads. Kit also runs two remote MCP servers - an OAuth-gated one that acts on a creator's account and an anonymous read-only documentation server - publishes an A2A agent card and an Agent Skill from its developer docs host, and ships llms.txt. Its only first-party API client is a PHP SDK.

Kit publishes 14 APIs on the APIs.io network, including Accounts API, Broadcasts API, Custom Fields API, and 11 more. Tagged areas include Email Marketing, Creator Economy, Subscribers, Automation, and Newsletters.

The Kit catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Kit’s developer surface includes authentication, documentation, engineering blog, pricing, changelog, API reference, getting-started guide, and 113 more developer resources.

🌐 Visit website 📡 Source on GitHub
85.4/100 exemplar ▬ flat Agent 59/100 agent ready Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0
AccessPaidSelf serve
14 APIs 1 MCP Servers
Email MarketingCreator EconomySubscribersAutomationNewslettersSequencesFormsBroadcastsWebhookMCPAgentsAuthenticationMarketing AutomationLanding PagesSegmentationEmail CampaignsSoftware-as-a-ServiceCommerce

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0
Composite quality — 85.4/100 · exemplar
Contract Quality 14.2 / 21
Developer Ergonomics 12.1 / 17
Access Clarity 17.0 / 17
Operational Transparency 10.2 / 11
Contract Governance 5.6 / 10
Discoverability 7.9 / 9
Regulatory Posture 11.0 / 15
Agent readiness — 59/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
Documented Reversibility 0 / 6
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 8 / 8
Dry-Run / Simulate Mode 0 / 4
Regulatory Posture applies to this provider. Its tags matched the Telecommunications regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/convertkit: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 14

Individual APIs this provider publishes, each with its own machine-readable definition.

Kit Accounts API

The Accounts API from Kit — 5 operation(s) for accounts.

Kit Broadcasts API

The Broadcasts API from Kit — 5 operation(s) for broadcasts.

Kit Custom Fields API

The Custom Fields API from Kit — 4 operation(s) for custom fields.

Kit Email Templates API

The Email Templates API from Kit — 1 operation(s) for email templates.

Kit Forms API

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

Kit Posts API

The Posts API from Kit — 2 operation(s) for posts.

Kit Purchases API

The Purchases API from Kit — 2 operation(s) for purchases.

Kit Segments API

The Segments API from Kit — 1 operation(s) for segments.

Kit Sequence Emails API

The Sequence Emails API from Kit — 2 operation(s) for sequence emails.

Kit Sequences API

The Sequences API from Kit — 4 operation(s) for sequences.

Kit Snippets API

The Snippets API from Kit — 2 operation(s) for snippets.

Kit Subscribers API

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

Kit Tags API

The Tags API from Kit — 6 operation(s) for tags.

Kit Webhooks API

The Webhooks API from Kit — 2 operation(s) for webhooks.

Scroll for all 14

Open Collections 15

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Kit Accounts API

OPEN COLLECTION

Kit Accounts Broadcasts API

OPEN COLLECTION

Kit Accounts Custom Fields API

OPEN COLLECTION

Kit Accounts Email Templates API

OPEN COLLECTION

Kit Accounts Forms API

OPEN COLLECTION

Kit Accounts Posts API

OPEN COLLECTION

Kit Accounts Purchases API

OPEN COLLECTION

Kit Accounts Segments API

OPEN COLLECTION

Kit Accounts Sequence Emails API

OPEN COLLECTION

Kit Accounts Sequences API

OPEN COLLECTION

Kit Accounts Snippets API

OPEN COLLECTION

Kit Accounts Subscribers API

OPEN COLLECTION

Kit Accounts Tags API

OPEN COLLECTION

Kit Accounts Webhooks API

OPEN COLLECTION

Scroll for all 15

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Kit MCP Server

MCP SERVER

GraphQL 1

GraphQL schemas published by this provider.

Kit (ConvertKit) GraphQL API

Kit (formerly ConvertKit) is a creator email marketing platform. This conceptual GraphQL schema wraps the Kit REST API v4, providing queries for subscribers, tags, sequences, fo...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Convertkit Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Convertkit Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Convertkit Finops

FINOPS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Convertkit Webhooks

ASYNCAPI

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Kit API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 100

Standalone JSON Schema definitions for this provider's data models.

BroadcastAnyCondition

2 properties

JSON SCHEMA

FilterCondition

9 properties

JSON SCHEMA

FormsAnyCondition

2 properties

JSON SCHEMA

IdsAnyCondition

2 properties

JSON SCHEMA

SubscriberFilterRequest

2 properties

JSON SCHEMA

UrlAnyCondition

4 properties

JSON SCHEMA

Add subscriber to form by email address Request

2 properties

JSON SCHEMA

Add subscriber to form by email address Response

1 properties

JSON SCHEMA

Add subscriber to form Request

1 properties

JSON SCHEMA

Add subscriber to form Response

1 properties

JSON SCHEMA

Add subscriber to sequence by email address Request

1 properties

JSON SCHEMA

Add subscriber to sequence by email address Response

1 properties

JSON SCHEMA

Add subscriber to sequence Request

0 properties

JSON SCHEMA

Add subscriber to sequence Response

1 properties

JSON SCHEMA

Bulk add subscribers to forms Request

2 properties

JSON SCHEMA

Bulk add subscribers to forms Response

2 properties

JSON SCHEMA

Bulk create custom fields Request

2 properties

JSON SCHEMA

Bulk create custom fields Response

2 properties

JSON SCHEMA

Bulk create subscribers Request

2 properties

JSON SCHEMA

Bulk create subscribers Response

2 properties

JSON SCHEMA

Bulk create tags Request

2 properties

JSON SCHEMA

Bulk create tags Response

2 properties

JSON SCHEMA

Bulk remove tags from subscribers Response

1 properties

JSON SCHEMA

Bulk tag subscribers Request

2 properties

JSON SCHEMA

Bulk tag subscribers Response

2 properties

JSON SCHEMA

Bulk update subscriber custom field values Request

2 properties

JSON SCHEMA

Bulk update subscriber custom field values Response

2 properties

JSON SCHEMA

Create a broadcast Request

12 properties

JSON SCHEMA

Create a broadcast Response

1 properties

JSON SCHEMA

Create a custom field Request

1 properties

JSON SCHEMA

Create a custom field Response

1 properties

JSON SCHEMA

Create a purchase Request

1 properties

JSON SCHEMA

Create a purchase Response

1 properties

JSON SCHEMA

Create a sequence email Request

9 properties

JSON SCHEMA

Create a sequence email Response

1 properties

JSON SCHEMA

Create a sequence Request

10 properties

JSON SCHEMA

Create a sequence Response

1 properties

JSON SCHEMA

Create a snippet Request

0 properties

JSON SCHEMA

Create a snippet Response

1 properties

JSON SCHEMA

Create a subscriber Request

4 properties

JSON SCHEMA

Create a subscriber Response

2 properties

JSON SCHEMA

Create a tag Request

1 properties

JSON SCHEMA

Create a tag Response

1 properties

JSON SCHEMA

Create a webhook Request

2 properties

JSON SCHEMA

Create a webhook Response

1 properties

JSON SCHEMA

Filter subscribers based on engagement Response

2 properties

JSON SCHEMA

Get a broadcast Response

1 properties

JSON SCHEMA

Get a post Response

1 properties

JSON SCHEMA

Get a purchase Response

1 properties

JSON SCHEMA

Get a sequence email Response

1 properties

JSON SCHEMA

Get a sequence Response

1 properties

JSON SCHEMA

Get a snippet Response

1 properties

JSON SCHEMA

Get a subscriber Response

1 properties

JSON SCHEMA

Get Creator Profile Response

1 properties

JSON SCHEMA

Get current account Response

2 properties

JSON SCHEMA

Get email stats Response

1 properties

JSON SCHEMA

Get growth stats Response

1 properties

JSON SCHEMA

Get link clicks for a broadcast Response

2 properties

JSON SCHEMA

Get stats for a broadcast Response

1 properties

JSON SCHEMA

Get stats for a list of broadcasts Response

2 properties

JSON SCHEMA

List broadcasts Response

2 properties

JSON SCHEMA

List colors Response

1 properties

JSON SCHEMA

List custom fields Response

2 properties

JSON SCHEMA

List email templates Response

2 properties

JSON SCHEMA

List forms Response

2 properties

JSON SCHEMA

List posts Response

2 properties

JSON SCHEMA

List purchases Response

2 properties

JSON SCHEMA

List segments Response

2 properties

JSON SCHEMA

List sequence emails Response

2 properties

JSON SCHEMA

List sequences Response

2 properties

JSON SCHEMA

List snippets Response

2 properties

JSON SCHEMA

List stats for a subscriber Response

1 properties

JSON SCHEMA

List subscribers for a form Response

2 properties

JSON SCHEMA

List subscribers for a sequence Response

2 properties

JSON SCHEMA

List subscribers for a tag Response

2 properties

JSON SCHEMA

List subscribers Response

2 properties

JSON SCHEMA

List tags for a subscriber Response

2 properties

JSON SCHEMA

List tags Response

2 properties

JSON SCHEMA

List webhooks Response

2 properties

JSON SCHEMA

Tag a subscriber by email address Request

1 properties

JSON SCHEMA

Tag a subscriber by email address Response

1 properties

JSON SCHEMA

Tag a subscriber Request

0 properties

JSON SCHEMA

Tag a subscriber Response

1 properties

JSON SCHEMA

Unsubscribe subscriber Request

0 properties

JSON SCHEMA

Update a broadcast Request

12 properties

JSON SCHEMA

Update a broadcast Response

1 properties

JSON SCHEMA

Update a custom field Request

1 properties

JSON SCHEMA

Update a custom field Response

1 properties

JSON SCHEMA

Update a sequence email Request

9 properties

JSON SCHEMA

Update a sequence email Response

1 properties

JSON SCHEMA

Update a sequence Request

10 properties

JSON SCHEMA

Update a sequence Response

1 properties

JSON SCHEMA

Update a snippet Request

0 properties

JSON SCHEMA

Update a snippet Response

1 properties

JSON SCHEMA

Update a subscriber Request

3 properties

JSON SCHEMA

Update a subscriber Response

2 properties

JSON SCHEMA

Update colors Request

1 properties

JSON SCHEMA

Update colors Response

1 properties

JSON SCHEMA

Update tag name Request

1 properties

JSON SCHEMA

Update tag name Response

1 properties

JSON SCHEMA

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Examples 72

Example request and response payloads for these APIs.

Add Subscriber To Form By Email Address

6 fields

EXAMPLE

Add Subscriber To Form

6 fields

EXAMPLE

Add Subscriber To Sequence By Email Address

6 fields

EXAMPLE

Add Subscriber To Sequence

5 fields

EXAMPLE

Bulk Add Subscribers To Forms

6 fields

EXAMPLE

Bulk Create Custom Fields

6 fields

EXAMPLE

Bulk Create Subscribers

6 fields

EXAMPLE

Bulk Create Tags

6 fields

EXAMPLE

Bulk Remove Tags From Subscribers

5 fields

EXAMPLE

Bulk Tag Subscribers

6 fields

EXAMPLE

Bulk Update Subscriber Custom Field Values

6 fields

EXAMPLE

Create A Broadcast

6 fields

EXAMPLE

Create A Custom Field

6 fields

EXAMPLE

Create A Purchase

6 fields

EXAMPLE

Create A Sequence Email

6 fields

EXAMPLE

Create A Sequence

6 fields

EXAMPLE

Create A Snippet

5 fields

EXAMPLE

Create A Subscriber

6 fields

EXAMPLE

Create A Tag

6 fields

EXAMPLE

Create A Webhook

6 fields

EXAMPLE

Delete A Broadcast

4 fields

EXAMPLE

Delete A Sequence Email

4 fields

EXAMPLE

Delete A Sequence

4 fields

EXAMPLE

Delete A Webhook

4 fields

EXAMPLE

Delete Custom Field

4 fields

EXAMPLE

Filter Subscribers Based On Engagement

5 fields

EXAMPLE

Get A Broadcast

5 fields

EXAMPLE

Get A Post

5 fields

EXAMPLE

Get A Purchase

5 fields

EXAMPLE

Get A Sequence Email

5 fields

EXAMPLE

Get A Sequence

5 fields

EXAMPLE

Get A Snippet

5 fields

EXAMPLE

Get A Subscriber

5 fields

EXAMPLE

Get Creator Profile

5 fields

EXAMPLE

Get Current Account

5 fields

EXAMPLE

Get Email Stats

5 fields

EXAMPLE

Get Growth Stats

5 fields

EXAMPLE

Get Link Clicks For A Broadcast

5 fields

EXAMPLE

Get Stats For A Broadcast

5 fields

EXAMPLE

Get Stats For A List Of Broadcasts

5 fields

EXAMPLE

List Broadcasts

5 fields

EXAMPLE

List Colors

5 fields

EXAMPLE

List Custom Fields

5 fields

EXAMPLE

List Email Templates

5 fields

EXAMPLE

List Forms

5 fields

EXAMPLE

List Posts

5 fields

EXAMPLE

List Purchases

5 fields

EXAMPLE

List Segments

5 fields

EXAMPLE

List Sequence Emails

5 fields

EXAMPLE

List Sequences

5 fields

EXAMPLE

List Snippets

5 fields

EXAMPLE

List Stats For A Subscriber

5 fields

EXAMPLE

List Subscribers For A Form

5 fields

EXAMPLE

List Subscribers For A Sequence

5 fields

EXAMPLE

List Subscribers For A Tag

5 fields

EXAMPLE

List Subscribers

5 fields

EXAMPLE

List Tags For A Subscriber

5 fields

EXAMPLE

List Tags

5 fields

EXAMPLE

List Webhooks

5 fields

EXAMPLE

Remove Tag From Subscriber By Email Address

4 fields

EXAMPLE

Remove Tag From Subscriber

4 fields

EXAMPLE

Tag A Subscriber By Email Address

6 fields

EXAMPLE

Tag A Subscriber

5 fields

EXAMPLE

Unsubscribe Subscriber

4 fields

EXAMPLE

Update A Broadcast

6 fields

EXAMPLE

Update A Custom Field

6 fields

EXAMPLE

Update A Sequence Email

6 fields

EXAMPLE

Update A Sequence

6 fields

EXAMPLE

Update A Snippet

5 fields

EXAMPLE

Update A Subscriber

6 fields

EXAMPLE

Update Colors

6 fields

EXAMPLE

Update Tag Name

6 fields

EXAMPLE

Scroll for all 72

Security Posture 4

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Convertkit Authentication

apiKey/oauth2 · 2 schemes

SECURITY

Convertkit Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Convertkit Vulnerability Disclosure

Bugcrowd

SECURITY

Convertkit Trust Center

SOC 2, ISO 27001, ISO 27018, GDPR

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Convertkit Scopes

3 scopes · authorizationCode

3 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Convertkit Agentic Access

72 operations · 39 acting

72 operations · 39 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 WellKnown
WellKnown
 MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill

Design & Contract 11

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conformance
Conformance
 Webhooks
Webhooks
 Components
Components
 DataModel
DataModel
 Vocabulary
Vocabulary
 SpectralRules
SpectralRules
 JSONLD
JSONLD
 JSONLDContext
JSONLDContext

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Build 76

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 ToolCrosswalk
ToolCrosswalk
 Packages
Packages
 SDKs
SDKs
 Examples
Examples
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Examples
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Examples
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Access & Security 7

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication
 OAuthScopes
OAuthScopes
 Compliance
Compliance
 Security
Security

Scroll for all 7

Operate 6

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits
 Deprecation
Deprecation
 ChangeLog
ChangeLog
 Support
Support
 HelpCenter
HelpCenter

Commercial 5

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog

Other 2

Properties that don't map to a standard resource type

X
X
 AgentCard
AgentCard

Source (apis.yml)

apis.yml Raw ↑ 
aid: convertkit
name: Kit
description: Kit (formerly ConvertKit) is a creator email marketing platform whose REST API v4 covers subscribers, tags, custom
  fields, forms and landing pages, sequences, broadcasts, snippets, posts, purchases, segments and webhooks across 72 operations
  on https://api.kit.com/v4. It authenticates with an X-Kit-Api-Key header for personal automation or OAuth 2.0 (PKCE, dynamic
  client registration, rotating single-use refresh tokens) for apps published to the Kit App Store, and uses cursor-based
  pagination, an OAuth-only bulk namespace with async callbacks, and eventually-consistent list reads. Kit also runs two remote
  MCP servers - an OAuth-gated one that acts on a creator's account and an anonymous read-only documentation server - publishes
  an A2A agent card and an Agent Skill from its developer docs host, and ships llms.txt. Its only first-party API client is
  a PHP SDK.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/convertkit.png
url: https://raw.githubusercontent.com/api-evangelist/convertkit/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-08-13'
specificationVersion: '0.23'
tags:
- Email Marketing
- Creator Economy
- Subscribers
- Automation
- Newsletters
- Sequences
- Forms
- Broadcasts
- Webhook
- MCP
- Agents
- Authentication
- Marketing Automation
- Landing Pages
- Segmentation
- Email Campaigns
- Software-as-a-Service
- Commerce
tags_raw:
- Email Marketing
- Creator Economy
- Subscribers
- Automation
- Newsletters
- Sequences
- Forms
- Broadcasts
- Webhooks
- MCP
- Agents
- OAuth
- Marketing Automation
- Landing Pages
- Segmentation
- Email Campaigns
- SaaS
- Commerce
apis:
- aid: convertkit:convertkit-accounts-api
  name: Kit Accounts API
  description: The Accounts API from Kit — 5 operation(s) for accounts.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Account
  tags_raw:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/convertkit-accounts-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-accounts-overlay.yaml
- aid: convertkit:convertkit-broadcasts-api
  name: Kit Broadcasts API
  description: The Broadcasts API from Kit — 5 operation(s) for broadcasts.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Broadcasts
  properties:
  - type: OpenAPI
    url: openapi/convertkit-broadcasts-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-broadcasts-overlay.yaml
- aid: convertkit:convertkit-custom-fields-api
  name: Kit Custom Fields API
  description: The Custom Fields API from Kit — 4 operation(s) for custom fields.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Custom Fields
  properties:
  - type: OpenAPI
    url: openapi/convertkit-custom-fields-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-custom-fields-overlay.yaml
- aid: convertkit:convertkit-email-templates-api
  name: Kit Email Templates API
  description: The Email Templates API from Kit — 1 operation(s) for email templates.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Email Templates
  properties:
  - type: OpenAPI
    url: openapi/convertkit-email-templates-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-email-templates-overlay.yaml
- aid: convertkit:convertkit-forms-api
  name: Kit Forms API
  description: The Forms API from Kit — 4 operation(s) for forms.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Forms
  properties:
  - type: OpenAPI
    url: openapi/convertkit-forms-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-forms-overlay.yaml
- aid: convertkit:convertkit-posts-api
  name: Kit Posts API
  description: The Posts API from Kit — 2 operation(s) for posts.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Posts
  properties:
  - type: OpenAPI
    url: openapi/convertkit-posts-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-posts-overlay.yaml
- aid: convertkit:convertkit-purchases-api
  name: Kit Purchases API
  description: The Purchases API from Kit — 2 operation(s) for purchases.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Purchases
  properties:
  - type: OpenAPI
    url: openapi/convertkit-purchases-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-purchases-overlay.yaml
- aid: convertkit:convertkit-segments-api
  name: Kit Segments API
  description: The Segments API from Kit — 1 operation(s) for segments.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Segments
  properties:
  - type: OpenAPI
    url: openapi/convertkit-segments-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-segments-overlay.yaml
- aid: convertkit:convertkit-sequence-emails-api
  name: Kit Sequence Emails API
  description: The Sequence Emails API from Kit — 2 operation(s) for sequence emails.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Sequence Emails
  properties:
  - type: OpenAPI
    url: openapi/convertkit-sequence-emails-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-sequence-emails-overlay.yaml
- aid: convertkit:convertkit-sequences-api
  name: Kit Sequences API
  description: The Sequences API from Kit — 4 operation(s) for sequences.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Sequences
  properties:
  - type: OpenAPI
    url: openapi/convertkit-sequences-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-sequences-overlay.yaml
- aid: convertkit:convertkit-snippets-api
  name: Kit Snippets API
  description: The Snippets API from Kit — 2 operation(s) for snippets.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Snippets
  properties:
  - type: OpenAPI
    url: openapi/convertkit-snippets-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-snippets-overlay.yaml
- aid: convertkit:convertkit-subscribers-api
  name: Kit Subscribers API
  description: The Subscribers API from Kit — 7 operation(s) for subscribers.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Subscribers
  properties:
  - type: OpenAPI
    url: openapi/convertkit-subscribers-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-subscribers-overlay.yaml
- aid: convertkit:convertkit-tags-api
  name: Kit Tags API
  description: The Tags API from Kit — 6 operation(s) for tags.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Tags
  properties:
  - type: OpenAPI
    url: openapi/convertkit-tags-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-tags-overlay.yaml
- aid: convertkit:convertkit-webhooks-api
  name: Kit Webhooks API
  description: The Webhooks API from Kit — 2 operation(s) for webhooks.
  humanURL: https://developers.kit.com
  baseURL: https://api.kit.com/v4
  tags:
  - Webhook
  tags_raw:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/convertkit-webhooks-api-openapi.yml
  - type: Documentation
    url: https://developers.kit.com/docs
  - type: Authentication
    url: https://developers.kit.com/api-reference/authentication
  - type: ChangeLog
    url: https://developers.kit.com/changelog
  - type: Overlay
    url: overlays/convertkit-webhooks-overlay.yaml
common:
- type: AgenticAccess
  url: agentic-access/convertkit-agentic-access.yml
- type: TrustCenter
  url: security/convertkit-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/convertkit-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/convertkit-domain-security.yml
- type: Authentication
  url: authentication/convertkit-authentication.yml
- type: OAuthScopes
  url: scopes/convertkit-scopes.yml
- type: Website
  url: https://kit.com
- type: Documentation
  url: https://developers.kit.com
- type: GitHubOrganization
  url: https://github.com/Kit
- type: LinkedIn
  url: https://www.linkedin.com/company/kit.com
- type: Blog
  url: https://kit.com/resources
- type: Pricing
  url: https://kit.com/pricing
- type: StatusPage
  url: https://status.kit.com
- type: X
  url: https://x.com/kit
- type: Plans
  url: plans/convertkit-plans-pricing.yml
- type: RateLimits
  url: rate-limits/convertkit-rate-limits.yml
- type: FinOps
  url: finops/convertkit-finops.yml
- type: AgentCard
  url: a2a/convertkit-a2a.yml
- type: WellKnown
  url: well-known/convertkit-well-known.yml
- type: MCPServer
  url: mcp/convertkit-mcp.yml
- type: ToolCrosswalk
  url: mcp/convertkit-tool-crosswalk.yml
- type: LLMsTxt
  url: llms/convertkit-llms.txt
- type: Packages
  url: packages/convertkit-packages.yml
- type: SDKs
  url: packages/convertkit-packages.yml
- type: Conventions
  url: conventions/convertkit-conventions.yml
- type: ErrorCatalog
  url: errors/convertkit-problem-types.yml
- type: Lifecycle
  url: lifecycle/convertkit-lifecycle.yml
- type: Deprecation
  url: https://developers.kit.com/api-reference/upgrading-to-v4
- type: ChangeLog
  url: changelog/convertkit-changelog.yml
- type: Conformance
  url: conformance/convertkit-conformance.yml
- type: Compliance
  url: https://kit.com/security
- type: Security
  url: https://kit.com/security
- type: Webhooks
  url: asyncapi/convertkit-webhooks.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Components
  url: components/convertkit-components.yml
- type: DataModel
  url: data-model/convertkit-data-model.yml
- type: Vocabulary
  url: vocabulary/vocabulary.json
- type: DeveloperPortal
  url: https://developers.kit.com
- type: APIReference
  url: https://developers.kit.com/api-reference/overview
- type: GettingStarted
  url: https://developers.kit.com/kit-app-store/quick-start-guide
- type: Support
  url: https://kit.com/support
- type: HelpCenter
  url: https://help.kit.com
- type: TermsOfService
  url: https://kit.com/terms
- type: PrivacyPolicy
  url: https://kit.com/privacy
- type: SignUp
  url: https://app.kit.com/users/signup
- type: SpectralRules
  url: rules/convertkit-jsonschema-spectral-rules.yml
- type: Examples
  url: examples/add-subscriber-to-form-by-email-address.json
- type: Examples
  url: examples/add-subscriber-to-form.json
- type: Examples
  url: examples/add-subscriber-to-sequence-by-email-address.json
- type: Examples
  url: examples/add-subscriber-to-sequence.json
- type: Examples
  url: examples/bulk-add-subscribers-to-forms.json
- type: Examples
  url: examples/bulk-create-custom-fields.json
- type: Examples
  url: examples/bulk-create-subscribers.json
- type: Examples
  url: examples/bulk-create-tags.json
- type: Examples
  url: examples/bulk-remove-tags-from-subscribers.json
- type: Examples
  url: examples/bulk-tag-subscribers.json
- type: Examples
  url: examples/bulk-update-subscriber-custom-field-values.json
- type: Examples
  url: examples/create-a-broadcast.json
- type: Examples
  url: examples/create-a-custom-field.json
- type: Examples
  url: examples/create-a-purchase.json
- type: Examples
  url: examples/create-a-sequence-email.json
- type: Examples
  url: examples/create-a-sequence.json
- type: Examples
  url: examples/create-a-snippet.json
- type: Examples
  url: examples/create-a-subscriber.json
- type: Examples
  url: examples/create-a-tag.json
- type: Examples
  url: examples/create-a-webhook.json
- type: Examples
  url: examples/delete-a-broadcast.json
- type: Examples
  url: examples/delete-a-sequence-email.json
- type: Examples
  url: examples/delete-a-sequence.json
- type: Examples
  url: examples/delete-a-webhook.json
- type: Examples
  url: examples/delete-custom-field.json
- type: Examples
  url: examples/filter-subscribers-based-on-engagement.json
- type: Examples
  url: examples/get-a-broadcast.json
- type: Examples
  url: examples/get-a-post.json
- type: Examples
  url: examples/get-a-purchase.json
- type: Examples
  url: examples/get-a-sequence-email.json
- type: Examples
  url: examples/get-a-sequence.json
- type: Examples
  url: examples/get-a-snippet.json
- type: Examples
  url: examples/get-a-subscriber.json
- type: Examples
  url: examples/get-creator-profile.json
- type: Examples
  url: examples/get-current-account.json
- type: Examples
  url: examples/get-email-stats.json
- type: Examples
  url: examples/get-growth-stats.json
- type: Examples
  url: examples/get-link-clicks-for-a-broadcast.json
- type: Examples
  url: examples/get-stats-for-a-broadcast.json
- type: Examples
  url: examples/get-stats-for-a-list-of-broadcasts.json
- type: Examples
  url: examples/list-broadcasts.json
- type: Examples
  url: examples/list-colors.json
- type: Examples
  url: examples/list-custom-fields.json
- type: Examples
  url: examples/list-email-templates.json
- type: Examples
  url: examples/list-forms.json
- type: Examples
  url: examples/list-posts.json
- type: Examples
  url: examples/list-purchases.json
- type: Examples
  url: examples/list-segments.json
- type: Examples
  url: examples/list-sequence-emails.json
- type: Examples
  url: examples/list-sequences.json
- type: Examples
  url: examples/list-snippets.json
- type: Examples
  url: examples/list-stats-for-a-subscriber.json
- type: Examples
  url: examples/list-subscribers-for-a-form.json
- type: Examples
  url: examples/list-subscribers-for-a-sequence.json
- type: Examples
  url: examples/list-subscribers-for-a-tag.json
- type: Examples
  url: examples/list-subscribers.json
- type: Examples
  url: examples/list-tags-for-a-subscriber.json
- type: Examples
  url: examples/list-tags.json
- type: Examples
  url: examples/list-webhooks.json
- type: Examples
  url: examples/remove-tag-from-subscriber-by-email-address.json
- type: Examples
  url: examples/remove-tag-from-subscriber.json
- type: Examples
  url: examples/tag-a-subscriber-by-email-address.json
- type: Examples
  url: examples/tag-a-subscriber.json
- type: Examples
  url: examples/unsubscribe-subscriber.json
- type: Examples
  url: examples/update-a-broadcast.json
- type: Examples
  url: examples/update-a-custom-field.json
- type: Examples
  url: examples/update-a-sequence-email.json
- type: Examples
  url: examples/update-a-sequence.json
- type: Examples
  url: examples/update-a-snippet.json
- type: Examples
  url: examples/update-a-subscriber.json
- type: Examples
  url: examples/update-colors.json
- type: Examples
  url: examples/update-tag-name.json
- type: JSONLD
  url: json-ld/api.json
- type: JSONLDContext
  url: json-ld/context.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 38
  pass: local-v1