diff --git a/README.md b/README.md
index 855d1fd..bb47d62 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,33 @@
 # SEContestCommands
 Chat commands for StreamElements' Contests
+
+## Credentials
+* Create file called `SEContestChatCommands.credentials.php`
+* The file will contain three variables
+  * `$key` - random string, that is used in URL
+  * `$channel` SE Account ID that you can find [here](https://streamelements.com/dashboard/account/channels)
+  * `$bearer` SE JWT Token that you can find [here](https://streamelements.com/dashboard/account/channels) (After clicking "Show secrets")
+
+
+## Request
+This will explain all possible variables
+* `key` - user generated string from
+* `action` - action, that the API should do (start, close, draw bets)
+* `name` - name of bets (used with action _"start"_)
+* `duration` - duration of bets in minutes (used with action _"start"_)
+* `options` - options to bet, separated by space (underscore used as space)  (used with action _"start"_)
+* `winner` winning option (used with action _"draw"_)
+
+## Chat commands
+Examples are using base command `!bets`
+```
+!bets start <Bets_title> <Duration> <1st_option> ... <10th_option>
+!bets close
+!bets draw <Winning_option>
+```
+
+### Request on API
+This will show example body of StreamElements command
+```
+${customapi.example.com/SEContestChatCommands.php?key=my_key&action=${pathescape ${1}}&name=${pathescape ${2|${1}}}&duration=${pathescape ${3|${1}}}&options=${pathescape ${4:|${1}}}&winner=${pathescape ${2:|' '}}}
+```