Ogmios is a lightweight bridge interface for cardano-node. It provides an HTTP / WebSocket API that enables applications to interact with a local cardano-node via JSON+RPC-2.0.
| Ogmios | Cardano-node (mainnet, preview, preprod) |
|---|---|
v6.10.* |
10.1.3 |
v6.9.* |
10.1.2, 10.1.3 |
v6.8.* |
9.2.0, 9.1.1 |
v6.7.* |
9.2.0, 9.1.1 |
v6.6.* |
9.1.1 |
v6.5.* |
9.0.0, 9.1.0 |
v6.4.* |
8.9.3 |
v6.3.* |
8.9.2 |
v6.2.* |
8.9.0 |
v6.1.* |
8.7.3 |
v5.6.* |
1.35.4, 1.35.7 |
Using Homebrew:
brew tap CardanoSolutions/formulas
brew install ogmios
See our Ogmios client starter kit or jump right into the user manual.
| Fast synchronization of blocks from the Cardano network(s) | |||||||||||||||||||||||||||||||||||||||||||||
| Transaction submission with enhanced error messages | |||||||||||||||||||||||||||||||||||||||||||||
| Evaluation of Plutus script execution units | |||||||||||||||||||||||||||||||||||||||||||||
| Local mempool monitoring | |||||||||||||||||||||||||||||||||||||||||||||
State queriesNetwork
Ledger
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| Dual WebSocket/HTTP support | |||||||||||||||||||||||||||||||||||||||||||||
| Structured JSON logging | |||||||||||||||||||||||||||||||||||||||||||||
| Health monitoring, with runtime and application statistics |
Tip
Test vectors that cover every part of the protocol are available here. Use them without moderation for a smooth integration!
The project keeps a changelog 💾 in which all past changes and recent-but-not-yet-released changes can be seen. Changes in the changelog have been implemented and are available in latest builds from the master branch.
The github issues & milestones 🎯 list planned tasks that haven't been implemented but have reached enough maturity to be well-defined and scoped. Milestones have end-dates to give a broad estimate of when it is expected.
Finally, discussions 💡 contains ongoing discussions regarding the future of Ogmios, with design decisions still under consideration.
Ogmios provides a language-agnostic API which can be implemented using any WebSocket or HTTP client. If you prefer using a SDK in your favorite language, see below the available clients (maintained by the community):
 TypeScript |
 Go |
 Kotlin |
 Java |
 Python |
 Elixir |
 C++ |
A big thank to all our sponsors 💖.
📖 User Manual
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📐 Contributing
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💾 Changelog
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Discord (#ogmios)
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Twitter (@_KtorZ_)
Need more information? Have a look at the Frequently Asked Questions.
![@dependabot[bot]](https://avatars.githubusercontent.com/in/29110?s=64&v=4){kind=small}
