Postman acquires Fern

Today, I’m excited to share that Postman has acquired Fern, a developer experience company focused on helping businesses ship polished API documentation…

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Postman acquires Fern

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Postman Product Update: December 2025

This year, we shipped features that close workflow gaps across the entire API lifecycle. We focused on improving how teams collaborate, making…

Postman acquires liblab to build the unified API lifecycle platform

Today I’m excited to announce that Postman has acquired liblab, the leading tool for developers to automate the generation of Software Development…

Postman Product Update: November 2025

This month, we’re highlighting features that close gaps across the API lifecycle. We’re sharing solutions that help you: Keep specs and collections…

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Postman acquires Fern

Today, I’m excited to share that Postman has acquired Fern, a developer experience company focused on helping businesses ship polished API documentation…

What is API Rate Limiting? Understanding Request Throttling and Best Practices

API Rate Limiting: Quick Reference Question Answer What happens when limits are exceeded? The API returns a 429 Too Many Requests status,…

502 Bad Gateway: Understanding and Fixing This HTTP Status Code

502 Bad Gateway: You’re testing your API, everything looks fine, and then suddenly you hit a 502 Bad Gateway error. Unlike a…

JSON Schema Data Types: A Complete Guide to Validation

Quick reference Question Answer When should I use JSON Schema? Use JSON Schema to validate API requests and responses, enforce consistency across…

How Do WebSockets Work?

Quick reference: How do Websockets work? Question Answer What is a WebSocket? A protocol that provides full-duplex communication over a single TCP…

What is a Bearer Token? Understanding API Authentication

Quick answer Bearer tokens authenticate API requests by granting access to whoever possesses the token, passed in the Authorization header as Authorization:…