# Postman runs Agent Mode for 40 million developers on Amazon Bedrock

Digest AI · Agents & Tools · published 2026-10-09T15:35:02Z

Canonical: https://digestai.news/story/postman-runs-agent-mode-for-40-million-developers-on-amazon-bedrock

## Summary

Postman has launched Agent Mode, an AI‑native interface that lets its 40 million developers work across testing, documentation, discovery, and implementation. The feature runs on Amazon Bedrock, giving Postman access to Anthropic’s Claude models, cross‑Region inference, zero‑data‑retention settings, and multi‑tier prompt caching.

The team found that the hardest problems were not model quality but integrating an agent into a mature product. They limited the tool catalog to about 40 atomic tools, dynamically scoped them per task, and built schema‑aware read handlers to reduce tool sprawl. Context budgeting proved critical; dedicated handlers distill only the data the model needs, while prompt caching (one‑hour and five‑minute checkpoints) cuts latency and cost. Human oversight and Bedrock Guardrails protect against unintended actions and data exposure.

Postman’s architecture separates client‑side tools, generic agent instructions, and a retrieval‑augmented knowledge base. By leveraging Bedrock’s model flexibility and geographic inference profiles, the service can handle bursty developer traffic without running its own model‑serving infrastructure, while keeping data residency controls for enterprise customers.

## Key points

- Postman’s Agent Mode serves 40 million developers using Amazon Bedrock’s Claude models.
- Dynamic tool selection limits the agent to ~40 tools to avoid hallucinations and latency.
- Prompt caching with one‑hour and five‑minute checkpoints reduces latency and inference cost.

## Why it matters

Shows how a mature API platform can scale AI agents for millions, highlighting practical solutions for tool management, context budgeting, and cost control that other developers can adopt.

## Sources

1. [How Postman runs Agent Mode for 40 million developers on Amazon Bedrock](https://aws.amazon.com/blogs/machine-learning/how-postman-runs-agent-mode-for-40-million-developers-on-amazon-bedrock) (AWS Machine Learning Blog, 2026-10-09, primary source)

Part of the developing story: [Amazon Bedrock Becomes Enterprise AI Operating System](https://digestai.news/thread/amazon-expands-seller-assistant-from-chatbot-to-operating-system-for-merchants) (10 stories)

## Cite

Digest AI, "Postman runs Agent Mode for 40 million developers on Amazon Bedrock", 9 October 2026, https://digestai.news/story/postman-runs-agent-mode-for-40-million-developers-on-amazon-bedrock

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