AWS Bedrock - The provided request is not valid

Bug Reports
1

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

After Updating to Cursor IDE 1.7.46 on MacOS, I encounter an error when using AWS Bedrock Anthropic Models like Sonnet 4.

Steps to Reproduce

  1. Configure AWS Bedrock for usage.
    Like
    eu-central-1
    eu.anthropic.claude-sonnet-4-20250514-v1:0
    provide a set of AWS credentials
  2. Use the model in the chat of cursor
    Just use a “Hi” as message
  3. You will see an error
    We encountered an issue when using your API key: Provider was unable to process your request
    API Error:
    The provided request is not valid
    (Request ID: e735d4bf-8af2-42df-bd78-d94ed6c12bdb)

More details show:
Request ID: e735d4bf-8af2-42df-bd78-d94ed6c12bdb
{“error”:“ERROR_OPENAI”,“details”:{“title”:“Unable to reach the model provider”,“detail”:“We encountered an issue when using your API key: Provider was unable to process your request\n\nAPI Error:\n\n\nThe provided request is not valid\n”,“additionalInfo”:{},“buttons”:,“planChoices”:},“isExpected”:true}
ConnectError: [invalid_argument] Error
at ZWl.$endAiConnectTransportReportError (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:7349:371721)
at wMr._doInvokeHandler (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:35946)
at wMr._invokeHandler (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:35688)
at wMr._receiveRequest (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:34453)
at wMr._receiveOneMessage (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:33275)
at cEt.value (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:489:31369)
at _e._deliver (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:49:2962)
at _e.fire (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:49:3283)
at ddt.fire (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:7334:12154)
at MessagePort. (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:9402:18292)

Expected Behavior

Expected would we a textual response to hi and not an error message

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.7.46
VSCode Version: 1.99.3
Commit: b9e5948c1ad20443a5cecba6b84a3c9b99d62580
Date: 2025-10-14T01:21:46.830Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Darwin arm64 24.6.0

For AI issues: add Request ID with privacy disabled

e735d4bf-8af2-42df-bd78-d94ed6c12bdb

Does this stop you from using Cursor

Sometimes - I can sometimes use Cursor

2

Exactly same issue on my end. I am using Windows. details - Unable to connect to Amazon Bedrock from Cursor IDE – “The provided request is not valid”

3

I could fix it by switching to another AWS region.

I now use
eu-north-1
and it works.

I can reproduce the issue by switching back to eu-central-1.

4

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