diff --git a/API.md b/API.md
index 139e458..8db47c0 100644
--- a/API.md
+++ b/API.md
@@ -95,6 +95,15 @@ const db = await orbitdb.keyvalue('profile')
 
 ## Public Instance Methods
 
+Before starting, you should know that OrbitDB has different types of databases. Each one satisfies a different purpose. The databases that you can create are:
+
+* [log](https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdblognameaddress): an imutable (write only) log database. Useful for transactions lists.
+* [feed](https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbfeednameaddress): a mutable log database. Useful for blog comments.
+* [keyvalue](https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbkeyvaluenameaddress): Useful for loading data from keywords or an id.
+* [docs](https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbdocsnameaddress-options): a JSON documents database. Useful for user data or other structured data.
+* [counter](https://github.com/orbitdb/orbit-db/blob/master/API.md#orbitdbcounternameaddress): Useful for ordered data (like an ordered list or a playlist.)
+
+
 ### orbitdb.create(name, type, [options])
 > Creates and opens an OrbitDB database.