(SQL Server) POST application/json HTTPS Request

Demonstrates how to send an HTTPS POST where the request body and response body both have the application/json Content-Type. Also demonstrates how to add a few custom headers to the request.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Add a few custom headers.
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Client-ID', 'my_client_id'
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Client-Token', 'my_client_token'

    EXEC sp_OASetProperty @http, 'Accept', 'application/json'

    DECLARE @url nvarchar(4000)
    SELECT @url = 'https://api.fiscallog.eu/sign/v1'
    DECLARE @jsonRequestBody nvarchar(4000)
    SELECT @jsonRequestBody = '{ .... }'
    DECLARE @resp int
    EXEC sp_OAMethod @http, 'PostJson2', @resp OUT, @url, 'application/json', @jsonRequestBody
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        RETURN
      END


    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    PRINT 'Response status code = ' + @iTmp0
    DECLARE @jsonResponseStr nvarchar(4000)
    EXEC sp_OAGetProperty @resp, 'BodyStr', @jsonResponseStr OUT


    PRINT @jsonResponseStr

    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @http


END
GO