generated: '2026-08-13'
method: searched
source: >-
  Packagist, npm registry, RubyGems, PyPI, crates.io, NuGet and the
  github.com/Kit organisation (the active Kit org; github.com/convertkit exists
  but publishes zero public repositories).
note: >-
  Kit publishes exactly ONE first-party server-side API SDK — the PHP SDK. There
  is no official JavaScript, Python, Ruby, Go, Java, or .NET client for the v4
  API; the developer docs do not link one, and every npm/PyPI/RubyGems package
  matching "convertkit"/"kit api" is either third-party or a front-end form
  embed. Recorded as an honest gap rather than padded with community libraries.
packages:
- language: php
  registry: packagist
  name: convertkit/convertkitapi
  url: https://packagist.org/packages/convertkit/convertkitapi
  repository: https://github.com/Kit/ConvertKitSDK-PHP
  install: composer require convertkit/convertkitapi
  official: true
  version: '2.6'
  published: '2026-07-28'
  license: GPLv3
  description: Kit PHP SDK for the Kit API — the only first-party API client Kit ships.
  evidence: composer.json name convertkit/convertkitapi, homepage https://developers.kit.com/welcome, repo description "Kit official PHP SDK"
- language: ruby
  registry: rubygems
  name: omniauth-kit-oauth2
  url: https://rubygems.org/gems/omniauth-kit-oauth2
  repository: https://github.com/Kit/omniauth-kit-oauth2
  install: gem install omniauth-kit-oauth2
  official: true
  version: 0.1.3
  published: '2025-02-14'
  kind: oauth-strategy
  description: >-
    OmniAuth OAuth2 strategy for Kit. First-party (github.com/Kit org, homepage
    developers.kit.com) but an auth strategy only — it is not a client for the
    v4 resource API.
- language: javascript
  registry: npm
  name: convertkit-react
  url: https://www.npmjs.com/package/convertkit-react
  repository: https://github.com/Kit/convertkit-react
  install: npm install convertkit-react
  official: true
  kind: form-embed
  version: 1.5.5
  published: '2021-06-13'
  description: React component for embedding Kit forms. Front-end embed, not an API client.
  note: Last published 2021-06-13 — five years before the v4 API this repo profiles. Unmaintained relative to the current API.
- language: javascript
  registry: npm
  name: convertkit-vue
  url: https://www.npmjs.com/package/convertkit-vue
  repository: https://github.com/Kit/convertkit-vue
  install: npm install convertkit-vue
  official: true
  kind: form-embed
  version: 0.1.6
  published: '2021-02-12'
  description: Vue component for embedding Kit forms. Front-end embed, not an API client.
  note: Last published 2021-02-12. Unmaintained relative to the v4 API.
- language: javascript
  registry: null
  name: convertkit-svelte
  url: https://github.com/Kit/convertkit-svelte
  repository: https://github.com/Kit/convertkit-svelte
  official: true
  kind: form-embed
  version: null
  published: null
  note: >-
    Source-only in the Kit GitHub org; never published to npm, so there is no
    registry metadata endpoint to read a version or release date from. A
    consumer must vendor the source. Checked, nothing to record.
- language: javascript
  registry: npm
  name: '@convertkit/cloudkit'
  url: https://www.npmjs.com/package/@convertkit/cloudkit
  repository: https://github.com/Kit/cloudkit-cli
  install: npm install -g @convertkit/cloudkit
  official: true
  kind: internal-cli
  version: 0.0.40
  published: '2026-04-27'
  description: >-
    A CLI published under Kit's own npm scope and actively released. Its source
    repository (github.com/Kit/cloudkit-cli) returns HTTP 404 — it is private —
    and no Kit developer documentation references it. Catalogued as a real
    first-party artifact, but NOT treated as a documented developer CLI surface,
    which is why this repo emits no cli/ artifact or CLI pointer.
- language: php
  registry: null
  name: convertkit-wordpress
  url: https://wordpress.org/plugins/convertkit/
  repository: https://github.com/Kit/convertkit-wordpress
  official: true
  kind: platform-plugin
  version: null
  published: null
  note: >-
    Distributed through the WordPress.org plugin directory, not a language
    package registry, so there is no registry metadata endpoint to query for a
    pinned version. Kit maintains a family of these (WooCommerce, WPForms,
    Gravity Forms, MemberMouse), all actively pushed in August 2026.
registries_checked:
- registry: packagist
  result: 1 first-party package (convertkit/convertkitapi)
- registry: npm
  result: form-embed + design-system + CLI packages under the @convertkit scope and Kit org; no first-party v4 API client
- registry: rubygems
  result: omniauth-kit-oauth2 only; the "convertkit"/"convertkit-ruby" gems are third-party wrappers of the retired v3 API
- registry: pypi
  result: no first-party package (the "convertkit" project on PyPI is third-party)
- registry: crates.io
  result: none
- registry: nuget
  result: none first-party (convertkitsharp is third-party)
- registry: maven-central
  result: none
- registry: pkg.go.dev
  result: none
official_sdk_count: 1