--- title: "Zendesk API Zendesk Sell retirement: 2027-08-31 | Harbyn" description: "Zendesk API Zendesk Sell retirement, effective Aug 31, 2027." canonical: "https://harbyn.com/changes/zendesk/2025-09-09-zendesk-sell-retirement" last-updated: 2026-09-29 --- # Zendesk API Zendesk Sell retirement Markdown version of . Retirement - Zendesk API. high severity. Announced. Upcoming. Zendesk Sell will be retired on August 31, 2027. Customers keep full access to the product until then. 310 days left: the deadline is Aug 31, 2027. ## Facts | Fact | Value | | --- | --- | | Vendor | [Zendesk API](https://harbyn.com/vendors/zendesk.md) | | Kind | Retirement | | Severity | high | | Status | Announced | | Announced | Sep 9, 2025 | | Effective | Aug 31, 2027 | | Added to Harbyn | Sep 29, 2026 | | Lead time | 336 days of warning | | Review | Reviewed by a person, extracted by a model | ## Find it in your code ```sh npx harbyn scan ``` This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses Zendesk API, from its packages and API hosts. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (changelog, fetched 2026-09-29 02:31 UTC, sha256 `7637141853444e440e53413aa12923530e068dbeb3efc8d851fc00421b5ee382`) ## Related changes ### More from Zendesk API - [Help Center Templating API v1, v2, and v3 phased end of life](https://harbyn.com/changes/zendesk/2026-09-14-templating-api-v1-v2-and-v3-phased-end-of-life.md) (Deprecation, effective Mar 1, 2027) ### Changes at other vendors - [OpenRouter: arcee-ai/trinity-large-thinking expire 2026-10-26](https://harbyn.com/changes/openrouter/2026-10-23-arcee-ai-trinity-large-thinking-expires-2026-10-26.md) (effective Oct 26, 2026) - [Google Cloud Run and Functions: Node.js 20 runtime decommission](https://harbyn.com/changes/google-cloud/2026-10-08-node-js-20-runtime-decommission.md) (effective Oct 30, 2026) - [Mistral AI: Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (effective Oct 31, 2026) - [Fireworks AI: DeepSeek V4 Flash 0731 retires from Serverless Training November 2](https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731.md) (effective Nov 2, 2026) [All upcoming deadlines](https://harbyn.com/deadlines.md)