why do I get an answer in binary rather than json. Any help please?

Question

Request URL:
https://bedrock-agent-runtime.{{AWS_Region}}.amazonaws.com/agents/0J7APE0Z4F/agentAliases/3KL1DTE7G4/sessions/abc123/text

Request Body:
{
   "inputText": "what is blurred vision?",
    "enableTrace": false,
    "endSession": false
}

Response:
  +   Kõøo:event-type  chunk
:content-type  application/json
:message-type  event{"bytes":"QmFzZWQgb24geW91ciBxdWVzdGlvbiBhc2tpbmcgd2hhdCBwZXJpb2RvbnRpdGlzIGlzLCBJIGNoZWNrZWQgb3VyIG1lZGljYWwga25vd2xlZGdlIGJhc2UgYW5kIGZvdW5kIGEgZGV0YWlsZWQgZGVmaW5pdGlvbiBvZiBwZXJpb2RvbnRpdGlzLiBUaGUgZGVmaW5pdGlvbiBzdGF0ZXMgdGhhdCBwZXJpb2RvbnRpdGlzIGlzIGEgc2VyaW91cyBndW0gaW5mZWN0aW9uIHRoYXQgZGFtYWdlcyB0aGUgc29mdCB0aXNzdWUgYW5kIGRlc3Ryb3lzIHRoZSBib25lIHRoYXQgc3VwcG9ydHMgeW91ciB0ZWV0aC4gUGVyaW9kb250aXRpcyBjYW4gY2F1c2UgdG9vdGggbG9zcyBpZiBsZWZ0IHVudHJlYXRlZC4="}.—”

I get appropriate and correct output when I use the AWS Agent Test from AWS console.

Accepted Answer

Hi,

Based on this document, it appears the endpoint uses [InvokeAgentCommand](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/Package/-aws-sdk-client-bedrock-agent-runtime/Class/InvokeAgentCommand/) API from the AWS SDK. As per the documentation, the response is returned in the bytes field of the chunk object. The response is in base64 format.

I would suggest you decode the output using a base64 decoder. Some examples are [here](https://docs.aws.amazon.com/bedrock/latest/userguide/bedrock-agent-runtime_example_bedrock-agent-runtime_InvokeAgent_section.html)

Hope this helps!

Thanks,
Rama

why do I get an answer in binary rather than json. Any help please?

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