asyncapi/spec

asyncapi/spec has 5,335 GitHub stars and 382 forks. GitHot measured 0 stars in 24 hours. Last checked 2026-11-07 13:44 UTC. Last push 2026-10-27.

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The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.

5,335 stars 382 forks

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README.md

Read the specification

The latest draft specification can be found at spec/asyncapi.md which tracks the latest commit to the master branch in this repository.

The human-readable markdown file is the source of truth for the specification.

Version 3.1.0 (latest) (website)

Click to see reference links to older versions of the specification.

Looking for the JSON Schema files? Check out our spec-json-schemas repo.

Feel like contributing? Check out our contributor's guide.

Examples

Check out the examples directory for examples.

Case Studies and Adopters

Check out the AsyncAPI website to see the list of AsyncAPI adopters and their use cases.

Our Sponsors

Want to become a sponsor? Learn what we do with sponsors' money and join the club.

Platinum

Gravitee

Gold

Solace: powering event-driven architectures, integrations and AI

IBM

Silver

Svix

Aklivity

Bronze

APIDeck

Contributors

Thanks goes to these wonderful people (emoji key):

_{Fran Méndez} 💬 🐛 📝 📖 🤔 🚇 🚧 👀 ✅ 📢	_{Lukasz Gornicki} 📖 🤔 👀 💬 📝 📢 🚧 🚇	_{Mike Ralphson} 💬 📖 🤔 🚇 👀 🚧	_{raisel melian} 💬 🐛 📖 🤔 🚧 👀	_{Chris Wood} 🤔 📖	_{Jonathan Schabowsky} 📖 🤔	_{Victor Romero} 🤔 👀	_{Antonio Garrote} 🤔 👀 📖	_{Jonathan Stoikovitch} 💡 🤔 👀
_{Jonas Lagoni} 🐛 📖 🤔 💬 👀 💡	_{Waleed Ashraf} 📢 🤔 📖 💡	_{Andrzej Jarzyna} 📢	_{Emmelyn Wang} 📝 🤔 📖 📢	_{Marc DiPasquale} 📝 📢 👀 🐛 🤔 📹	_{Gerald Loeffler} 📖 🐛 🤔	_{Dale Lane} 📝 🤔 📹 📢 ✅ 📖	_{Maciej Urbańczyk} 👀 🤔 💬 🐛 📖 💡 🚧	_{Vladimir Gorej} 📖 🐛 💡 🤔 👀
_{Lorna Jane Mitchell} 📢 🤔	_{Laurent Broudoux} 📖 📝 📢 💡 🤔 👀	_{Jesse Menning} 📝 📢 👀 🤔	_{Sergio Moya} 👀 🤔 💬 📝 🐛 📖 💡 🚧	_{Alexander Balogh} 📖 🐛	_{Khuda Dad Nomani} 💡 🐛	_{Aaron Korver} 📖	_{Orlov Valentine} 📖	_{Moez Bouhlel} 📖
_{Muhammad Rafly Andrianza} 📖	_{Daniel Kocot} 📖 💡 🤔	_{sekharbans-ebay} 📖 💡 🤔	_{Michael Davis} 🐛 📖 💡 🤔	_{Heiko Henning} 🐛 💻 🖋 📖 💡 🤔 🚧 👀	_Quetzalli 🖋 📖 💡 🤔 👀	_{Akshit Gupta} 🖋 📖	_samz 🐛 🖋 📖 💡 📆	_Rishi 🚧 🚇
_nickshoe 🐛 📖	_Ace 📋 🤔 🚧 📢	_{Animesh Kumar} 🖋 📖 🚧	_{Fabrizio Lazzaretti} 📖	_{Pavel Bodiachevskii} 📖 🐛 🤔 💬

This project follows the all-contributors specification. Contributions of any kind welcome!

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