Update the README with starter docs of API

README.md

@@ -1,2 +1,51 @@
 # IDEA-DeFi-CRAFT
+
 Repository containing work on the IDEA DeFi project for the CRAFT grant issued for the duration of June 2022-May 2023.
+
+# DeFi Data Engine Rest API
+
+The data engine endpoint lives at [**http://defi-de.idea.rpi.edu:8080/defi/v1/rest**](http://defi-de.idea.rpi.edu:8080/defi/v1/rest){.uri}
+
+## Current Paths
+
+### /source_exists
+
+| ?param | desc |
+|--------|------|
+| source |      |
+
+### /stream_exists
+
+| ?param | desc |
+|--------|------|
+| key    |      |
+
+### /initialize
+
+| ?param    | desc |
+|-----------|------|
+| source    |      |
+| auth_data |      |
+
+### /is_authorized
+
+| ?param | desc |
+|--------|------|
+| key    |      |
+
+### /is_active
+
+| ?param | desc |
+|--------|------|
+| key    |      |
+
+### /request_dated
+
+| ?param      | desc |
+|-------------|------|
+| destination |      |
+| key         |      |
+| request     |      |
+| query       |      |
+| start_date  |      |
+| end_date    |      |