Update README.md

Author: geral2

README.md

@@ -1,2 +1,12 @@
 # SQL-APIConsumer
-Database Project with generic procedures that intent to consume API through GET/POST methods.
+Welcome to SQL-APIConsumer project!. It's Database Project built in C# whose main purpouse it's allow consuming API GET/POST methods on SQL Server through CLR generics stored procedures.
+
+This project has two main procedures defined below:
+
+1. **APICaller_GET_Json (SqlString URL)**
+1. **APICaller_POST_Json(SqlString URL, SqlString JsonBody)**
+
+It include 3rd one, that is basically an example of how to implement a customized method that return a result set based in a Data transfer object (DTO).
+
+PD:
+It uses HttpWebRequest instead of HttpClient in order to avoid having to use unsupported assemblies by SQL Server.