diff --git a/data/amplitude b/data/amplitude
new file mode 100644
index 00000000..66b24ea5
--- /dev/null
+++ b/data/amplitude
@@ -0,0 +1,23 @@
+# https://github.com/v2fly/domain-list-community/pull/3997
+amplitude.com
+api-secure.amplitude.com @ads
+api-secure.eu.amplitude.com @ads
+api-sr.amplitude.com @ads
+api-sr.eu.amplitude.com @ads
+api.amplitude.com @ads
+api.eu.amplitude.com @ads
+api2.amplitude.com @ads
+assistant-api.amplitude.com @ads
+assistant-api.eu.amplitude.com @ads
+cdn.amplitude.com @ads
+cdn.eu.amplitude.com @ads
+engagement-static.amplitude.com @ads
+engagement-static.eu.amplitude.com @ads
+gs.amplitude.com @ads
+gs.eu.amplitude.com @ads
+lab.amplitude.com @ads
+lab.eu.amplitude.com @ads
+regionconfig.amplitude.com @ads
+regionconfig.eu.amplitude.com @ads
+sr-client-cfg.amplitude.com @ads
+sr-client-cfg.eu.amplitude.com @ads
diff --git a/data/category-ads b/data/category-ads
index e2e03da8..07f4bed2 100644
--- a/data/category-ads
+++ b/data/category-ads
@@ -5,6 +5,7 @@ include:36kr @ads
 include:adobe @ads
 include:alibaba @ads
 include:amazon @ads
+include:amplitude @ads
 include:apple @ads
 include:avito @ads
 include:baidu @ads
diff --git a/data/unity b/data/unity
index f1f3e377..26c1e984 100644
--- a/data/unity
+++ b/data/unity
@@ -4,7 +4,6 @@ unity3d.com
 # Ads/tracking
 # https://github.com/v2fly/domain-list-community/pull/3716
 analytics.cloud.unity3d.com @ads
-api2.amplitude.com @ads
 config.uca.cloud.unity3d.com @ads
 cdp.cloud.unity3d.com @ads
 prd-lender.cdp.internal.unity3d.com @ads