From 6c7abe159aada3526b4e66555e4596b9af029d77 Mon Sep 17 00:00:00 2001
From: alchemy-bot <80712764+alchemy-bot@users.noreply.github.com>
Date: Tue, 14 Jul 2026 05:03:26 +0000
Subject: [PATCH] [docs-agent] Add Sim migration callout to Data APIs overview
Adds a Tip callout at the top of the Data APIs overview page pointing users migrating from Dune's Sim API to Alchemy's Sim to Data APIs migration guide. Sim retires August 1, 2026.
Refs DOCS-139
Requested-by: @caleighc
---
content/api-reference/data/data-overview.mdx | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/content/api-reference/data/data-overview.mdx b/content/api-reference/data/data-overview.mdx
index db4e5f534..67c3831aa 100644
--- a/content/api-reference/data/data-overview.mdx
+++ b/content/api-reference/data/data-overview.mdx
@@ -9,6 +9,10 @@ hide-toc: true
The Data APIs give you fast, reliable access to blockchain data without running your own indexing infrastructure. Whether you're building wallets, NFT platforms, analytics dashboards, or DeFi apps, the Data APIs save you time and engineering costs by offering pre-transformed, production-ready data.
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+ **Migrating from Sim?** Dune is retiring the Sim API on August 1, 2026. See our [Sim to Alchemy Data APIs migration guide](https://www.alchemy.com/blog/migrating-from-sim-to-alchemy-data-apis) for endpoint mappings, auth and pagination changes, and a four-step walkthrough.
+
+
## Components of the Data APIs