diff --git a/VRAPoten-API.md b/VRAPoten-API.md
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--- a/VRAPoten-API.md
+++ b/VRAPoten-API.md
@@ -1,6 +1,11 @@
 ## API v0.1
 [<< Home](https://git.akkerweb.nl/FarmMaps/Documentatie/wiki/Home)  
 
+FarmMaps is an asynchronous architecture, the API flow keeps this in mind.
+The API expects that all data is already processed and available provided, for example through the normal FarmMaps flow.
+
+For the currently available public FarmMaps API you can take a look at swagger: http://farmmaps.awtest.nl/swagger/index.html
+
 **Input preperation**
 * VRAPoten requires specific input which needs to be provided by the FarmMaps API or user interface.
     * You can activate the VRAPotenTask with the Task API, passing the just created cropfield item code as a parameter.