SDKs

.NET SDK

The official .NET SDK — one method per API operation, generated from the OpenAPI contract and versioned with the API.

NuGet · ShipFlux

What you get

One method per API operation, generated from openapi.yaml

Auth, Idempotency-Key on writes, and retry-with-backoff built in

Envelope unwrapping to typed data and typed errors

The exact webhook-signature verifier the backend signs with

Install

dotnet add package ShipFlux

Authentication

Authenticate with an API key (Authorization: Api-Key sk_<env>_…) and send an Idempotency-Key on writes. Start against the sandbox with an sk_test_ key — it routes every courier to a deterministic mock and auto-funds your wallet.

All integrations

Connect .NET in minutes

Start against the sandbox with an sk_test_ key — no KYC, no real money, no courier setup. Then flip to live.

Free to start · no credit card · no lock-in · export & cancel anytime