> ## Documentation Index
> Fetch the complete documentation index at: https://docs.amberdata.io/llms.txt
> Use this file to discover all available pages before exploring further.

# API Changes & Deprecations

## 📦 API Changes & Deprecations

* **Arkham Spot & Futures Data Discontinued** – February 16, 2026
  <Link href="/changelog/arkham-discontinued">Read more</Link>

* **OKCoin Data No Longer Available (Platform Rebranding to OKX)** – October 1, 2025
  <Link href="/changelog/okcoin-data-no-longer-available">Read more</Link>

* **Batch Endpoint Migration Notice** – March 6, 2025
  <Link href="/changelog/action-required-batch-api-endpoints-have-launched-migrate-before-june-30-2025">Read more</Link>

* **Batch Endpoint Behavior Changes** – January 8, 2025
  <Link href="/changelog/upcoming-changes-to-batch-endpoints">Read more</Link>

* **Batch Endpoint Retrieval Limits** – January 6, 2025
  <Link href="/changelog/changes-to-batch-endpoint-data-retrieval-limits">Read more</Link>