diff --git a/README.md b/README.md
index cf15df6a9..c7b9948fe 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ MOTIS currently supports the following input formats:
 *Planned*: GTFS-Flex, NeTEx and SIRI
 
 MOTIS provides an easy-to-use **REST API** (JSON via HTTP) with
-a [**OpenAPI specification**](openapi.yaml)
+an [**OpenAPI specification**](https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/motis-project/motis/refs/heads/master/openapi.yaml) ([source]((openapi.yaml)))
 that allows you to generate clients for your favorite programming language.