(Go) Shippo POST to Transaction Endpoint

Demonstrates how to POST to the Transaction endpoint with your Rate object_id to purchase your international shipping label.

For more information, see https://goshippo.com/docs/international/

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 https://api.goshippo.com/transactions \
    //     -H "Authorization: ShippoToken <API_TOKEN>" \
    //     -d rate="ec6143e746094bcab1bdc4c17600dabf"
    //     -d label_file_type="PDF"
    //     -d async=false

    req := chilkat.NewHttpRequest()
    req.SetHttpVerb("POST")
    req.SetPath("/transactions")
    req.SetContentType("application/x-www-form-urlencoded")
    req.AddParam("rate","ec6143e746094bcab1bdc4c17600dabf")
    req.AddParam("label_file_type","PDF")
    req.AddParam("async","false")

    req.AddHeader("Authorization","ShippoToken <API_TOKEN>")

    resp := http.PostUrlEncoded("https://api.goshippo.com/transactions",req)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        req.DisposeHttpRequest()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)
    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        req.DisposeHttpRequest()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "object_state": "VALID",
    //   "status": "SUCCESS",
    //   "object_created": "2013-12-27T19:14:48.273Z",
    //   "object_updated": "2013-12-27T19:14:48.273Z",
    //   "object_id": "64bba01845ef40d29374032599f22588",
    //   "object_owner": "shippotle@goshippo.com",
    //   "was_test": false,
    //   "rate": {
    //     "object_id": "cf6fea899f1848b494d9568e8266e076",
    //     "amount": "5.50",
    //     "currency": "USD",
    //     "amount_local": "5.50",
    //     "currency_local": "USD",
    //     "provider": "USPS",
    //     "servicelevel_name": "Priority Mail",
    //     "servicelevel_token": "usps_priority",
    //     "carrier_account": "078870331023437cb917f5187429b093"
    //   },
    //   "tracking_number": "ZW70QJC",
    //   "tracking_status": {
    //     "object_created": "2013-12-27T23:17:41.411Z",
    //     "object_id": "a21b3d6831c14ceaba6730179ce6e784",
    //     "status": "UNKNOWN",
    //     "status_details": "",
    //     "status_date": "2013-12-28T12:04:04.214Z"
    //   },
    //   "tracking_url_provider": "https://tools.usps.com/go/TrackConfirmAction.action?tLabels=ZW70QJC",
    //   "eta": "2013-12-30T12:00:00.000Z",
    //   "label_url": "https://shippo-delivery.s3.amazonaws.com/96.pdf?Signature=PEdWrp0mFWAGwJp7FW3b%2FeA2eyY%3D&Expires=1385930652&AWSAccessKeyId=AKIAJTHP3LLFMYAWALIA",
    //   "commercial_invoice_url": "",
    //   "metadata": "",
    //   "messages": [
    //   ]
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    object_state := jResp.StringOf("object_state")
    status := jResp.StringOf("status")
    object_created := jResp.StringOf("object_created")
    object_updated := jResp.StringOf("object_updated")
    object_id := jResp.StringOf("object_id")
    object_owner := jResp.StringOf("object_owner")
    was_test := jResp.BoolOf("was_test")
    rateObject_id := jResp.StringOf("rate.object_id")
    rateAmount := jResp.StringOf("rate.amount")
    rateCurrency := jResp.StringOf("rate.currency")
    rateAmount_local := jResp.StringOf("rate.amount_local")
    rateCurrency_local := jResp.StringOf("rate.currency_local")
    rateProvider := jResp.StringOf("rate.provider")
    rateServicelevel_name := jResp.StringOf("rate.servicelevel_name")
    rateServicelevel_token := jResp.StringOf("rate.servicelevel_token")
    rateCarrier_account := jResp.StringOf("rate.carrier_account")
    tracking_number := jResp.StringOf("tracking_number")
    tracking_statusObject_created := jResp.StringOf("tracking_status.object_created")
    tracking_statusObject_id := jResp.StringOf("tracking_status.object_id")
    tracking_statusStatus := jResp.StringOf("tracking_status.status")
    tracking_statusStatus_details := jResp.StringOf("tracking_status.status_details")
    tracking_statusStatus_date := jResp.StringOf("tracking_status.status_date")
    tracking_url_provider := jResp.StringOf("tracking_url_provider")
    eta := jResp.StringOf("eta")
    label_url := jResp.StringOf("label_url")
    commercial_invoice_url := jResp.StringOf("commercial_invoice_url")
    metadata := jResp.StringOf("metadata")
    i := 0
    count_i := jResp.SizeOfArray("messages")
    for i < count_i {
        jResp.SetI(i)
        i = i + 1
    }


    http.DisposeHttp()
    req.DisposeHttpRequest()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()