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

Postman built Agent Mode, an AI-native interface for API testing and documentation, using Amazon Bedrock for model flexibility and inference.

The team found that controlling tool sprawl and treating context as the primary bottleneck were key challenges.

They dynamically scope tools per task, decouple tools from UI state, and use Amazon Bedrock Guardrails for PII redaction.