> Markdown version of [/playlists/web-apis](https://www.wearedevelopers.com/playlists/web-apis). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Playlist: Web APIs

9 videos · 9 moments · 27.5 minutes

## API Design - Getting Started

- **Defining web APIs and their primary business purposes** (02:55, 1min) — Connecting separate application spaces by defining standardized web interfaces that achieve specific business objectives.

[Learn more](https://www.wearedevelopers.com/videos/33-api-design-getting-started)

## WeAreDevelopers LIVE - CSS is DOOMed

- **Accessing device hardware through native web APIs** (31:21, 2min) — Interfacing embedded machine sensors directly via standardized browser endpoints eliminates historical dependencies on compiled native desktop bina...

[Learn more](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed)

## Web APIs you might not know about

- **Understanding web APIs as native browser extensions** (01:39, 1min) — An overview of web APIs as standard extensions to HTML, CSS, and JavaScript.

[Learn more](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about)

## MCP Mashups: How AI Agents are Reviving the Programmable Web

- **The creative era of early web API mashups** (00:05, 3min) — Developers combined independent web services to create visually rich and unexpected web applications.

[Learn more](https://www.wearedevelopers.com/videos/1392-mcp-mashups-how-ai-agents-are-reviving-the-programmable-web)

## PWAs in 2021

- **Expanding browser capabilities with modern web APIs** (05:08, 9min) — Hardware access and native operating system integrations are actively expanding through collective API deployment initiatives.

[Learn more](https://www.wearedevelopers.com/videos/289-pwas-in-2021)

## Project Fugu: Extending the web

- **Bridging native capabilities via native browser implementations** (19:21, 1min) — How browser vendors abstract OS functionalities so developers only need standard web APIs.

[Learn more](https://www.wearedevelopers.com/videos/832-project-fugu-extending-the-web)

## What’s New in Web? 2026 Edition

- **Cross-engine support for the Web Serial API** (13:03, 0min) — Mozilla's intention to support serial hardware interfaces creates paths for unified web standards.

[Learn more](https://www.wearedevelopers.com/videos/100014-what-s-new-in-web-2026-edition)

## REST, GraphQL, gRPC, and more: A comparison of modern API styles

- **Overview of modern API styles and the IoT scenario** (00:03, 2min) — A comparative look at modern web API options through a baseline IoT telemetry architecture.

[Learn more](https://www.wearedevelopers.com/videos/100247-rest-graphql-grpc-and-more-a-comparison-of-modern-api-styles)

## 402 - Payment Required

- **Modern standardization efforts for web payment APIs** (03:38, 1min) — Initiatives like the Payment Request API provide browser coordination but lack universal HTTP adoption.

[Learn more](https://www.wearedevelopers.com/videos/1381-402-payment-required)