Ogmios (opens in a new tab) is a lightweight bridge interface for Cardano-node. It offers a WebSocket API that enables local clients to speak Ouroboros' mini-protocols via JSON/RPC.
Demeter (opens in a new tab) provides a running instance of
Ogmios available for your project.
Accessing your Ogmios instance
Inside the Ogmios extension, you can get all the required values for connecting to your instance.
Ogmios instance provided will work with a
Node running in the network where your project has been created (
The current status of the Ogmios (opens in a new tab) instance.
Private DNS Name
The DNS name where the primary Ogmios (opens in a new tab) instance is running. This DNS name can only be resolved from inside the cluster.
The port where the primary Ogmios (opens in a new tab) instance is running. This port can only be accessed from inside the cluster.
Public DNS Name
The public port, specific to your project, where you can access the Ogmios (opens in a new tab) API. Access through this endpoint is constrained by your project's quotas.
Access from inside a Workspace
Accessing from within a Cardano Workspace provides
OGMIOS_PORT environment variables for connecting to the instance.
A Read-Eval-Print Loop, or REPL, is a computer environment where user inputs are read and evaluated, and then the results are returned to the user. REPLs provide an interactive environment to explore tools available in specific environments or programming languages. Demeter (opens in a new tab) provides a running environment accessible from the Web user interface so you can execute Ogmios (opens in a new tab) commands.