Nord Pool Intraday API .NET Example Code

Example applications for the Nord Pool Intraday Trading platform. A Java example is available at public-intraday-api.

Disclaimer: Client code examples are provided without warranty. Clients are solely responsible for testing and ensuring correct interaction with Nord Pool.

This repository contains two projects (solution file: NPS.ID.PublicApi.Example.sln):

Project	Transport	.NET SDK
NPS.ID.PublicApi.DotNet.Client	STOMP over WebSocket	.NET 8
NPS.ID.PublicApi.BinaryApiClient	Binary Protobuf over WebSocket	.NET 10

Download SDKs from https://dotnet.microsoft.com/en-us/download/dotnet.

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STOMP Client (NPS.ID.PublicApi.DotNet.Client)

Uses .NET data objects from the .NET API library (requires GitHub Packages authentication).

Configure credentials in appsettings.json:

"Credentials": {
    "Username": "your_user",
    "Password": "your_password"
}

Build & run:

dotnet build NPS.ID.PublicApi.DotNet.Client
dotnet run --project NPS.ID.PublicApi.DotNet.Client

The program connects to both Market Data and Trading web services, subscribes to example topics, and demonstrates order message sending. See ApplicationWorker.cs for the sequence of actions.

The WebSocket connector with heartbeat and token refresh logic is in WebSocketConnector.cs. Heartbeat interval is configurable via the HeartbeatOutgoingInterval property in appsettings.json. Port 443 must be open in your firewall.

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Binary API Client (NPS.ID.PublicApi.BinaryApiClient)

A .NET 10 console application that connects to the Nord Pool Intraday Binary PMD v2 API over WebSockets using Protocol Buffers.

No GitHub Packages authentication is required — uses only public NuGet packages.

Configure Username and Password in the BinaryApi section of appsettings.json (or create appsettings.local.json to override without modifying the tracked file).

Build & run:

dotnet build NPS.ID.PublicApi.BinaryApiClient
dotnet run --project NPS.ID.PublicApi.BinaryApiClient

Once connected, the client presents an interactive console. Type help for available subscription commands. Press Ctrl+C to disconnect.

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Authenticating to GitHub Packages

Required only for the STOMP client. See GitHub docs.

Create a personal access token (classic) with read:packages scope, then add to NuGet.config:

<packageSourceCredentials>
    <GitHub>
        <add key="Username" value="github_username" />
        <add key="ClearTextPassword" value="github_access_token" />
    </GitHub>
</packageSourceCredentials>

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Questions, comments and error reporting

Please send questions and bug reports to idapi@nordpoolgroup.com.