diff --git a/content/roadmaps/101-backend/content/109-apis/readme.md b/content/roadmaps/101-backend/content/109-apis/readme.md
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-# Apis
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+# APIs
+
+API is the acronym for Application Programming Interface, which is a software intermediary that allows two applications to talk to each other.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://aws.amazon.com/what-is/api/'>What is an API?</BadgeLink>