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VB.NET

MessageMedia - Send Messages

See more MessageMedia Examples

Submit one or more (up to 100 per request) SMS, MMS, or text to voice messages for delivery.

Chilkat VB.NET Downloads

VB.NET
Dim success As Boolean = False

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

Dim http As New Chilkat.Http

' Implements the following CURL command:

' curl --request POST \
'      --header "Content-Type: application/json" \
'      --header "Accept: application/json" \
'      --data-binary "{
'     \"messages\": [
'         {
'             \"callback_url\": \"https://my.callback.url.com\",
'             \"content\": \"My first message\",
'             \"destination_number\": \"+61491570156\",
'             \"delivery_report\": true,
'             \"format\": \"SMS\",
'             \"message_expiry_timestamp\": \"2016-11-03T11:49:02.807Z\",
'             \"metadata\": {
'                 \"myKey\": \"myValue\",
'                 \"anotherKey\": \"anotherValue\"
'             },
'             \"scheduled\": \"2016-11-03T11:49:02.807Z\",
'             \"source_number\": \"+61491570157\",
'             \"source_number_type\": \"INTERNATIONAL\"
'         },
'         {
'             \"callback_url\": \"https://my.callback.url.com\",
'             \"content\": \"My second message\",
'             \"destination_number\": \"+61491570158\",
'             \"delivery_report\": true,
'             \"format\": \"MMS\",
'             \"subject\": \"This is an MMS message\",
'             \"media\": [ \"https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg\" ],
'             \"message_expiry_timestamp\": \"2016-11-03T11:49:02.807Z\",
'             \"metadata\": {
'                 \"myKey\": \"myValue\",
'                 \"anotherKey\": \"anotherValue\"
'             },
'             \"scheduled\": \"2016-11-03T11:49:02.807Z\",
'             \"source_number\": \"+61491570159\",
'             \"source_number_type\": \"INTERNATIONAL\"
'         }
'     ]
' }" \
' https://private-anon-ecbaffbc28-messages32.apiary-mock.com/v1/messages

' 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.

' {
'   "messages": [
'     {
'       "callback_url": "https://my.callback.url.com",
'       "content": "My first message",
'       "destination_number": "+61491570156",
'       "delivery_report": true,
'       "format": "SMS",
'       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
'       "metadata": {
'         "myKey": "myValue",
'         "anotherKey": "anotherValue"
'       },
'       "scheduled": "2016-11-03T11:49:02.807Z",
'       "source_number": "+61491570157",
'       "source_number_type": "INTERNATIONAL"
'     },
'     {
'       "callback_url": "https://my.callback.url.com",
'       "content": "My second message",
'       "destination_number": "+61491570158",
'       "delivery_report": true,
'       "format": "MMS",
'       "subject": "This is an MMS message",
'       "media": [
'         "https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg"
'       ],
'       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
'       "metadata": {
'         "myKey": "myValue",
'         "anotherKey": "anotherValue"
'       },
'       "scheduled": "2016-11-03T11:49:02.807Z",
'       "source_number": "+61491570159",
'       "source_number_type": "INTERNATIONAL"
'     }
'   ]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("messages[0].callback_url","https://my.callback.url.com")
json.UpdateString("messages[0].content","My first message")
json.UpdateString("messages[0].destination_number","+61491570156")
json.UpdateBool("messages[0].delivery_report",True)
json.UpdateString("messages[0].format","SMS")
json.UpdateString("messages[0].message_expiry_timestamp","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[0].metadata.myKey","myValue")
json.UpdateString("messages[0].metadata.anotherKey","anotherValue")
json.UpdateString("messages[0].scheduled","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[0].source_number","+61491570157")
json.UpdateString("messages[0].source_number_type","INTERNATIONAL")
json.UpdateString("messages[1].callback_url","https://my.callback.url.com")
json.UpdateString("messages[1].content","My second message")
json.UpdateString("messages[1].destination_number","+61491570158")
json.UpdateBool("messages[1].delivery_report",True)
json.UpdateString("messages[1].format","MMS")
json.UpdateString("messages[1].subject","This is an MMS message")
json.UpdateString("messages[1].media[0]","https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg")
json.UpdateString("messages[1].message_expiry_timestamp","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[1].metadata.myKey","myValue")
json.UpdateString("messages[1].metadata.anotherKey","anotherValue")
json.UpdateString("messages[1].scheduled","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[1].source_number","+61491570159")
json.UpdateString("messages[1].source_number_type","INTERNATIONAL")

http.SetRequestHeader("Content-Type","application/json")
http.SetRequestHeader("Accept","application/json")

Dim resp As New Chilkat.HttpResponse
success = http.HttpJson("POST","https://private-anon-ecbaffbc28-messages32.apiary-mock.com/v1/messages",json,"application/json",resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")
    Exit Sub
End If


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

' {
'   "messages": [
'     {
'       "message_id": "04fe9a97-a579-43c5-bb1a-58ed29bf0a6a",
'       "callback_url": "https://my.url.com",
'       "status": "delivered",
'       "content": "My first message",
'       "destination_number": "+61491570156",
'       "delivery_report": true,
'       "format": "SMS",
'       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
'       "metadata": {
'         "myKey": "myValue",
'         "anotherKey": "anotherValue"
'       },
'       "scheduled": "2016-11-03T11:49:02.807Z",
'       "source_number": "+61491570157",
'       "source_number_type": "INTERNATIONAL"
'     }
'   ]
' }

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



Dim message_id As String
Dim callback_url As String
Dim status As String
Dim content As String
Dim destination_number As String
Dim delivery_report As Boolean
Dim format As String
Dim message_expiry_timestamp As String
Dim MyKey As String
Dim AnotherKey As String
Dim scheduled As String
Dim source_number As String
Dim source_number_type As String

Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("messages")
While i < count_i
    jResp.I = i
    message_id = jResp.StringOf("messages[i].message_id")
    callback_url = jResp.StringOf("messages[i].callback_url")
    status = jResp.StringOf("messages[i].status")
    content = jResp.StringOf("messages[i].content")
    destination_number = jResp.StringOf("messages[i].destination_number")
    delivery_report = jResp.BoolOf("messages[i].delivery_report")
    format = jResp.StringOf("messages[i].format")
    message_expiry_timestamp = jResp.StringOf("messages[i].message_expiry_timestamp")
    MyKey = jResp.StringOf("messages[i].metadata.myKey")
    AnotherKey = jResp.StringOf("messages[i].metadata.anotherKey")
    scheduled = jResp.StringOf("messages[i].scheduled")
    source_number = jResp.StringOf("messages[i].source_number")
    source_number_type = jResp.StringOf("messages[i].source_number_type")
    i = i + 1
End While