chore: clean up api (#2384)

Co-authored-by: Shubham Naik <shubham.naik10@gmail.com>
Co-authored-by: Shubham Naik <shub@memgpt.ai>
Co-authored-by: Matthew Zhou <mattzh1314@gmail.com>
Co-authored-by: mlong93 <35275280+mlong93@users.noreply.github.com>
Co-authored-by: Mindy Long <mindy@letta.com>
Co-authored-by: Kevin Lin <klin5061@gmail.com>
Co-authored-by: Charles Packer <packercharles@gmail.com>

examples/docs/agent_basic.py

@@ -29,7 +29,7 @@ response = client.agents.messages.send(
     messages=[
         MessageCreate(
             role="user",
-            text="hello",
+            content="hello",
         )
     ],
 )