---
title: "LinkedIn Marketing API version 202510 is removed on 2026-10-15 | Harbyn"
description: "LinkedIn Marketing API version 202510 is removed on 2026-10-15."
canonical: "https://harbyn.com/changes/linkedin/2026-10-08-marketing-api-version-202510-sunset"
last-updated: 2026-10-08
---

# LinkedIn Marketing API version 202510 is removed on 2026-10-15

Markdown version of <https://harbyn.com/changes/linkedin/2026-10-08-marketing-api-version-202510-sunset>.

Retirement - LinkedIn Marketing API. high severity. Announced.

LinkedIn sunsets Marketing API version 202510 (October 2025) and removes it from the platform on October 15, 2026. Calls pinned to 202510 must move to a supported version before then; the latest is 202609.

The deadline passed on Oct 15, 2026.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [LinkedIn Marketing API](https://harbyn.com/vendors/linkedin.md) |
| Kind | Retirement |
| Severity | high |
| Status | Announced |
| Announced | Oct 8, 2026 (undated by the vendor; already published when we first read the page) |
| Effective | Oct 15, 2026 |
| Added to Harbyn | Oct 8, 2026 |
| Lead time | 7 days of warning |
| API versions | `202510` |
| Review | Reviewed by a person, extracted by a model |

## Find it in your code

```sh
npx harbyn scan
```

The scanner reads your repository on your machine and reports every file and line that uses the identifiers above. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://learn.microsoft.com/en-us/linkedin/marketing/integrations/recent-changes> (changelog, fetched 2026-10-08 23:25 UTC, sha256 `0e363a2609804604a136ea874f04c18b39848cfc408775ff16b6f49524a80d2e`)

## Related changes

### More from LinkedIn Marketing API

- [version 202511 is removed on 2026-11-16](https://harbyn.com/changes/linkedin/2026-10-08-marketing-api-version-202511-sunset.md) (Retirement, effective Nov 16, 2026)
- [Publisher lists require a surface field](https://harbyn.com/changes/linkedin/2026-10-14-publisher-lists-require-a-surface-field.md) (Breaking change, effective Dec 15, 2026)

### 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)