Accessing Amazon Bedrock’s Models with AWS Credentials in Postman: A Step-by-Step Guide

Yann Stoneman
3 min readNov 2, 2023
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Image Generated by Stable Diffusion XL v0.8 on Amazon Bedrock

Getting Started with Amazon Bedrock in Postman

Amazon Bedrock simplifies generative AI app development with diverse models through a single API. It’s serverless, emphasizes security, and is user-friendly. In this guide, I’ll show you how to use dynamic AWS credentials in Postman to fetch a list of models from Amazon Bedrock.

I’ll walk through using temporary or dynamic AWS credentials in Postman to get a list of models from Amazon Bedrock.

Setting Up the Connection

The quickest way to verify your Bedrock connection? List the models you can access using ListFoundationModels.

Request Syntax: Use GET and /foundation-models.

Endpoint Info: As highlighted in the Amazon Bedrock endpoints and quotas documentation, use https://bedrock.us-east-1.amazonaws.com for all operations except InvokeModel and InvokeModelWithResponseStream.

Postman Setup: For the us-east-1 region, set your Postman to GET https://bedrock.us-east-1.amazonaws.com/foundation-models.

Setting Up Authorization in Postman

  1. Choose “AWS Signature” under Authorization.

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Yann Stoneman
Yann Stoneman

Written by Yann Stoneman

Staff Solutions Architect, giving technology language @ Cohere | Ex-AWS. Support blog by becoming member here: https://ystoneman.medium.com/membership

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