diff --git a/content/references/introduction.md b/content/references/introduction.md
index 4f275add..2e387b35 100644
--- a/content/references/introduction.md
+++ b/content/references/introduction.md
@@ -10,6 +10,11 @@ This section has API reference docs (or links to external ones) for the followin
 
 Those are sourced from their respective Swagger specs. On this site you can't execute the documented API calls yet. If you need this, you can run a component's local Swagger UI as outlined in the repository instructions on GitHub.
 
+Additionally, if you need API docs for a past version of Aquarius or Brizo, check out their specs on SwaggerHub:
+
+- [SwaggerHub: Aquarius](https://app.swaggerhub.com/apis/Ocean-Protocol/aquarius)
+- [SwaggerHub: Brizo](https://app.swaggerhub.com/apis/Ocean-Protocol/brizo)
+
 References of all the functions and methods used in our libraries:
 
 <repo name="squid-js"></repo>