(Go) Paynow.pl -- Make a Payment Request

Make a payment request POST with prepared message on Paynow payment request endpoint.

For more information, see https://docs.paynow.pl/#section/Payments/Make-a-payment

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    http := chilkat.NewHttp()
    var success bool

    // Implements the following CURL command:

    // curl --request POST 'https://api.sandbox.paynow.pl/v1/payments' \
    // -H 'Content-Type: application/json' \
    // -H 'Api-Key: c12c386b-650b-43db-9430-d84fc05d9433' \
    // -H 'Signature: aYPCytCoc+/wFgqHZJjgBCi20omXTn0yzm9LysJgnFo=' \
    // -H 'Idempotency-Key: 59c6dd26-f905-487b-96c9-fd1d2bd76885' \
    // --data-raw '{
    //     "amount": 45671,
    //     "externalId": "234567898654",
    //     "description": "Test transaction",
    //     "buyer": {
    //         "email": "jan.kowalski@melements.pl"
    //     }
    // }'

    // 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.

    // {
    //   "amount": 45671,
    //   "externalId": "234567898654",
    //   "description": "Test transaction",
    //   "buyer": {
    //     "email": "jan.kowalski@melements.pl"
    //   }
    // }

    json := chilkat.NewJsonObject()
    json.UpdateInt("amount",45671)
    json.UpdateString("externalId","234567898654")
    json.UpdateString("description","Test transaction")
    json.UpdateString("buyer.email","jan.kowalski@melements.pl")

    myApiAccessKey := "c12c386b-650b-43db-9430-d84fc05d9433"
    mySigCalcKey := "b758f20d-ba92-44fa-acca-f57e99787b9d"

    // Calculate the Signature header.
    crypt := chilkat.NewCrypt2()
    crypt.SetMacAlgorithm("hmac")
    crypt.SetEncodingMode("base64")
    crypt.SetMacKeyString(mySigCalcKey)
    crypt.SetHashAlgorithm("SHA-256")
    messageBody := json.Emit()
    signature := crypt.MacStringENC(*messageBody)

    http.SetRequestHeader("Idempotency-Key",*crypt.GenerateUuid())
    http.SetRequestHeader("Api-Key",myApiAccessKey)
    http.SetRequestHeader("Signature",*signature)
    http.SetRequestHeader("Content-Type","application/json")
    http.SetAccept("application/json")

    resp := http.PostJson3("https://api.sandbox.paynow.pl/v1/payments","application/json",json)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        json.DisposeJsonObject()
        crypt.DisposeCrypt2()
        return
    }

    fmt.Println("Response body:")
    fmt.Println(resp.BodyStr())

    // Sample response:
    // {
    //   "redirectUrl": "https://paywall.sandbox.paynow.pl/NOA0-YJ9-Y1P-29V?token=eyJraWQiOiJhMD ... L60wk",
    //   "paymentId": "NOA0-YJ9-Y1P-29V",
    //   "status": "NEW"
    // }

    jsonResp := chilkat.NewJsonObject()
    jsonResp.Load(resp.BodyStr())
    redirectUrl := json.StringOf("redirectUrl")
    paymentId := json.StringOf("paymentId")
    status := json.StringOf("status")

    http.DisposeHttp()
    json.DisposeJsonObject()
    crypt.DisposeCrypt2()
    jsonResp.DisposeJsonObject()