Hey API

OpenAPI + Fastify: let the contract build your server—Martian Chronicles, Evil Martians’ team blog Wire your OpenAPI contract into a Node.js Fastify backend with auto-generated routes, typed handlers, and request validation—no manual route definitions, no type drift, no integration surprises.

OpenAPI + Fastify: let the contract build your server evilmartians.com/chronicles/o...

Yuri Mikhin from @evilmartians.com is back with another article, this time showcasing contract-first development with OpenAPI, Fastify, and Hey API. Link in the comments!

Life's too short to hand-write API types: OpenAPI-driven React—Martian Chronicles, Evil Martians’ team blog Transform your React development with contract-first APIs. Generate TypeScript types, build type-safe clients, and develop with mocks while backend implements—no more waiting, no more integration chao...

evilmartians.com/chronicles/l...

Yuri Mikhin from Evil Martians wrote a new guide on setting up a TypeScript application from scratch using React, Zod, MSW, and (shockingly our favorite) Hey API. Give it a read in the comments!

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Yum yum

Congratulations 🥂

React Miami 2026 - The Ultimate React Conference in the US Join us for the ultimate React developers conference in Miami. April 23-24, 2026 at Hyatt Regency Miami. Learn from world-class speakers and industry experts.

*Results not guaranteed. Side effects may include highlighting fatal flaws, recommending alternatives, uncomfortable truths, and rethinking decisions you already shipped. Ask your marketing team if this is right for you.

Speakers, tickets, and more info at www.reactmiami.com/speakers/dul...

The best* marketing is when your users do the talking. See Devlin Duldulao at React Miami (April 23–24) as he demos how Hey API helped him ship a large-scale React app while writing less than 1% of the codebase.

Already added into presets ✅ heyapi.dev/openapi-ts/c...

Co-signed ✍️

The friend would love to stay updated on how that goes!

How do you plan to tackle this? Asking for a friend.

Hey API ❤️ @mintlify.bsky.social

Thank you Mintlify for supporting free and open source software. This little astronaut will get back to work… right after he finishes his lunch.

Dos commas club! bsky.app/profile/heya...

Excited to announce that Hey API has been acquired…

…over 1,000,000 times last week via npm. Thanks for acquiring it!

2026 Community Update · hey-api · Discussion #3159 2026 Community Update When I think about 2025, one word comes to mind – experiment. That's because Hey API is an experiment, both from a product and a business perspective. And 2026 will be the yea...

2026 Community Update!

Announcing the road to oRPC v2! 🎉

We need your input, ideas, and feature requests to make the next major release amazing. This is your chance to shape the future of oRPC.

Discuss here: github.com/unnoq/orpc/d...

Hey API ❤️ Opencode

Dance for me boy!!

Our sponsor family is growing! 👫

Thank you to OpenCode for supporting Hey API! One day, this astronaut won’t have to dance anymore.

React folks, quiet launch alert 🚀

I just shipped Formisch for React — the form library I originally built for @solidjs.com that people kept begging me to port.

Wait what

Also an oxlint user, not oxc directly. Why you ask?

Hey API has reached 3,000,000 monthly downloads! 🎉

Thank you for your support and for making Hey API part of your infrastructure.

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Thank you to Luke and the team at Architect for sponsoring Hey API. The little astronaut will make it to morning!

“OpenAPI codegen that just works.” — @rauchg.blue

Thank you @rauchg.blue for recognizing @heyapi.dev as a foundational open source project through your personal grant.

Hey API isn't just for tech companies. This little astronaut helps governments worldwide build better digital services for their citizens.