PureBasic

HTTP POST with JSON Body

Demonstrates sending an HTTP POST with a JSON body. PureBasic

IncludeFile "CkHttpResponse.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkJsonObject.pb"

Procedure ChilkatExample()

    success.i = 0

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

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; 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"
    ;   }
    ; }

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"reference_id","REFID-000-1001")
    CkJsonObject::ckUpdateString(json,"amount.currency_code","CAD")
    CkJsonObject::ckUpdateString(json,"amount.value","10.00")

    ; Adds the "Authorization: Bearer Access-Token" header.
    CkHttp::setCkAuthToken(http, "Access-Token")
    CkHttp::ckSetRequestHeader(http,"Request-Id","7b92603e-77ed-4896-8e78-5dea2050476a")
    CkHttp::ckSetRequestHeader(http,"Content-Type","application/json")

    resp.i = CkHttpResponse::ckCreate()
    If resp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkHttp::ckHttpJson(http,"POST","https://example.com/v2/checkout/orders",json,"application/json",resp)
    If success = 0
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkJsonObject::ckDispose(json)
        CkHttpResponse::ckDispose(resp)
        ProcedureReturn
    EndIf

    Debug Str(CkHttpResponse::ckStatusCode(resp))
    Debug CkHttpResponse::ckBodyStr(resp)


    CkHttp::ckDispose(http)
    CkJsonObject::ckDispose(json)
    CkHttpResponse::ckDispose(resp)


    ProcedureReturn
EndProcedure