> ## Documentation Index > Fetch the complete documentation index at: https://help.kajabi.com/llms.txt > Use this file to discover all available pages before exploring further. ## Submitting Feedback If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback: POST https://help.kajabi.com/feedback ```json { "path": "/api-reference/changelog", "feedback": "Description of the issue" } ``` Only submit feedback when you have something specific and actionable to report. # Changelog Fixed documented path for hook-related endpoints v1.0.1 Update openapi.yaml to OAS v3.1.1 Improved transactions endpoint documentation Clarified the webhooks create endpoint docs for use of resource\_id attribute Removed docs for price\_description from offers endpoint, it is not supported General improvements for security and stability, refactored code Added filter\[customer\_id] to purchases, orders, and transactions endpoints Added transactions filter\[name\_or\_email] parameter Added /v1/purchases/:id/cancel\_subscription endpoint Added /v1/contact\_notes endpoints: list, show, create, update, delete Added outbound webhooks using /v1/hooks endpoints Added orders endpoints for list and details Added order\_items endpoints for list and details Added form\_submissions endpoints for list and details Add/remove parameters for searching contacts and customers Improve search performance for contacts and customers Add endpoints for purchases, list, details, reactivate, and deactivate Add endpoints for website pages, blog posts, and landing pages Add url attribute to products and forms resources Bugfix: delete a contact then recreate with same email Add currency attribute to offer Sort contacts by created\_at New developer site [https://developers.kajabi.com](https://developers.kajabi.com) Add resource attribute definitions to docs Improve docs with comprehensive response examples using a variety of request parameters Add checkout url to offer resource Add endpoints for forms, including form submission Contacts related offers are linked by url vs listed by id Add publishing\_option to module/lesson public api Add internal\_title and payment info attributes to offer serializer Add refresh\_token to oauth/token response Add transactions endpoints Add lessons.media relationship for courses Add oauth revoke endpoint Improve docs for oauth token credential grant Add contacts filter params: search, has\_product\_id, has\_tag\_id, has\_offer\_id Add customers endpoints Add courses endpoints Add example responses to docs for page and filter parameters Improve docs for success responses Add forbidden error response examples Improve docs for granting and revoking offers Credential exchange using Kajabi account api key/secret Add contacts offers relation endpoints to grant/revoke offers Add contacts relationship to offers Add products relationship to offers Add products endpoints Add offers endpoints Add contact tag endpoints Add contacts tag relation endpoints to add/remove tags Document /contacts/{id}?include= parameter with tags example Add /api/v1/custom\_fields endpoint Add clarify filters for contacts in the openapi spec Add sorting to contacts Add sparse fields to contacts Add filters to contacts list endpoint Add contacts endpoints Add sites endpoints Add me endpoint for current user Add version endpoint Add oauth/token endpoint to authenticate with username/password