AWS bedrock documentation change

Service: bedrock · 2026-04-25 · Documentation low

File: bedrock/latest/userguide/getting-started-api-ex-python.md

Summary

Updated code examples from Amazon Titan Text G1 - Express to Amazon Nova Micro model, changing model IDs and API request/response structures to use newer message-based format.

Security assessment

This is a routine documentation update reflecting model version changes and API evolution. No security vulnerabilities, fixes, or security features are mentioned or documented.

Diff

diff --git a/bedrock/latest/userguide/getting-started-api-ex-python.md b/bedrock/latest/userguide/getting-started-api-ex-python.md
index 08adc5fb3..7b1af8a72 100644
--- a//bedrock/latest/userguide/getting-started-api-ex-python.md
+++ b//bedrock/latest/userguide/getting-started-api-ex-python.md
@@ -102 +102 @@ The following example runs the [InvokeModel](https://docs.aws.amazon.com/bedrock
-    # Use the native inference API to send a text message to Amazon Titan Text G1 - Express.
+    # Use the native inference API to send a text message to Amazon Nova Micro.
@@ -112,2 +112,2 @@ The following example runs the [InvokeModel](https://docs.aws.amazon.com/bedrock
-    # Set the model ID, e.g., Amazon Titan Text G1 - Express.
-    model_id = "amazon.titan-text-express-v1"
+    # Set the model ID, e.g., Amazon Nova Micro.
+    model_id = "amazon.nova-micro-v1:0"
@@ -120,3 +120,8 @@ The following example runs the [InvokeModel](https://docs.aws.amazon.com/bedrock
-        "inputText": prompt,
-        "textGenerationConfig": {
-            "maxTokenCount": 512,
+        "messages": [
+            {
+                "role": "user",
+                "content": [{"text": prompt}]
+            }
+        ],
+        "inferenceConfig": {
+            "maxTokens": 512,
@@ -143 +148 @@ The following example runs the [InvokeModel](https://docs.aws.amazon.com/bedrock
-    response_text = model_response["results"][0]["outputText"]
+    response_text = model_response["output"]["message"]["content"][0]["text"]
@@ -153 +159 @@ The following example runs the [Converse](https://docs.aws.amazon.com/bedrock/la
-    # Use the Conversation API to send a text message to Amazon Titan Text G1 - Express.
+    # Use the Conversation API to send a text message to Amazon Nova Micro.
@@ -161,2 +167,2 @@ The following example runs the [Converse](https://docs.aws.amazon.com/bedrock/la
-    # Set the model ID, e.g., Amazon Titan Text G1 - Express.
-    model_id = "amazon.titan-text-express-v1"
+    # Set the model ID, e.g., Amazon Nova Micro.
+    model_id = "amazon.nova-micro-v1:0"