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C# UWP/WinRT HMRC REST API Examples

Hello World (unrestricted)
Demonstrates the Hello World API unrestricted endpoint. No access token is required for this endpoint.

Hello Application (application-restricted)
Demonstrates the Hello World API "Hello Application" endpoint, which is application-restricted and requires a server_token. (The server token belongs to the "application" you create within your HMRC developer account.)

Submit a VAT Return for a Period
Submits a VAT return for a period. Note: This requires an Authorization header containing an OAuth 2.0 Bearer Token with the write:vat scope. In this example, the "vrn" (VAT registration number) is "123456789" and is a part of the URL.