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Swift 3/4 Web API Examples

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(Swift 3/4) CardConnect Capture

Demonstrates how to send a CardConnect Capture request.

The capture service queues the transaction amount for settlement. Capture can occur within the authorization request or subsequently. ...

See https://developer.cardconnect.com/cardconnect-api#capture

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

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

    let http = CkoHttp()!
    var success: Bool

    http.basicAuth = true
    http.login = "API_USERNAME"
    http.password = "API_PASSWORD"

    // Build and send the following JSON:

    // The "retref" is the value returned in the JSON response for the Authorization request.

    // {
    //     "retref":"112989260941",
    //     "merchid":"MERCHANT_ID"
    // }

    let json = CkoJsonObject()!
    json.update("retref", value: "112989260941")
    json.update("merchid", value: "MERCHANT_ID")

    var url: String? = "https://<site>.cardconnect.com:<port>/cardconnect/rest/capture"
    var responseStr: String? = http.putText(url, textData: json.emit(), charset: "utf-8", contentType: "application/json", md5: false, gzip: false)
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        return
    }

    // A response status of 200 indicates potential success.  The JSON response body
    // must be examined to determine if it was truly successful or an error.
    print("response status code = \(http.lastStatus.intValue)")

    let jsonResp = CkoJsonObject()!
    jsonResp.load(responseStr)
    jsonResp.emitCompact = false

    print("response JSON:")
    print("\(jsonResp.emit()!)")

    // A successful response looks like this:

    // {
    //   "amount": "0.20",
    //   "resptext": "Approval",
    //   "setlstat": "Queued for Capture",
    //   "commcard": " C ",
    //   "respcode": "00",
    //   "batchid": "1900942291",
    //   "merchid": "MERCHANT_ID",
    //   "token": "9418594164541111",
    //   "authcode": "PPS158",
    //   "respproc": "FNOR",
    //   "retref": "112989260941",
    //   "respstat": "A",
    //   "account": "9418594164541111"
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    var amount: String? = jsonResp.string(of: "amount")
    var resptext: String? = jsonResp.string(of: "resptext")
    var setlstat: String? = jsonResp.string(of: "setlstat")
    var commcard: String? = jsonResp.string(of: "commcard")
    var respcode: String? = jsonResp.string(of: "respcode")
    var batchid: String? = jsonResp.string(of: "batchid")
    var merchid: String? = jsonResp.string(of: "merchid")
    var token: String? = jsonResp.string(of: "token")
    var authcode: String? = jsonResp.string(of: "authcode")
    var respproc: String? = jsonResp.string(of: "respproc")
    var retref: String? = jsonResp.string(of: "retref")
    var respstat: String? = jsonResp.string(of: "respstat")
    var account: String? = jsonResp.string(of: "account")

}

 

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