SQL Server

HTTP POST with JSON Body

Demonstrates sending an HTTP POST with a JSON body. SQL Server

-- 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)
    DECLARE @success int
    SELECT @success = 0

    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Implements the following CURL command:

    -- curl -v -X POST https://example.com/v2/checkout/orders \
    -- -H "Content-Type: application/json" \
    -- -H "Authorization: Bearer Access-Token" \
    -- -H "Request-Id: 7b92603e-77ed-4896-8e78-5dea2050476a" \
    -- -d '{ 
    --       "reference_id": "REFID-000-1001",
    --       "amount": {
    --         "currency_code": "CAD",
    --         "value": "10.00"
    --       }
    --     }'

    -- Use the following online tool to generate HTTP code from a CURL command
    -- Convert a cURL Command to HTTP Source Code

    -- Use this online tool to generate code from sample JSON:
    -- Generate Code to Create JSON

    -- The following JSON is sent in the request body.

    -- {
    --   "reference_id": "REFID-000-1001",
    --   "amount": {
    --     "currency_code": "CAD",
    --     "value": "10.00"
    --   }
    -- }

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'reference_id', 'REFID-000-1001'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'amount.currency_code', 'CAD'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'amount.value', '10.00'

    -- Adds the "Authorization: Bearer Access-Token" header.
    EXEC sp_OASetProperty @http, 'AuthToken', 'Access-Token'
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Request-Id', '7b92603e-77ed-4896-8e78-5dea2050476a'
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Content-Type', 'application/json'

    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    EXEC sp_OAMethod @http, 'HttpJson', @success OUT, 'POST', 'https://example.com/v2/checkout/orders', @json, 'application/json', @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    PRINT @iTmp0
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @resp


END
GO