Classic ASP

WhatsApp - Send a Previously Uploaded Media Message

Demonstrates how to send a media message where the media content was previously uploaded. Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

set http = Server.CreateObject("Chilkat.Http")

'  Implements the following CURL command:

'  curl -X POST https://example.com/v1/messages \
'    -H "Authorization: Bearer your-auth-token" \
'    -d '
'  {
'      "recipient_type": "individual-or-group",
'      "to": "whatsapp-id-or-group-id",
'      "type": "image",
'      "image": {
'       "id": "your-media-id",
'        "caption": "your-image-caption"
'      }
'  }'

'  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.

'  {
'    "recipient_type": "individual-or-group",
'    "to": "whatsapp-id-or-group-id",
'    "type": "image",
'    "image": {
'      "id": "your-media-id",
'      "caption": "your-image-caption"
'    }
'  }

set json = Server.CreateObject("Chilkat.JsonObject")
success = json.UpdateString("recipient_type","individual-or-group")
success = json.UpdateString("to","whatsapp-id-or-group-id")
success = json.UpdateString("type","image")
success = json.UpdateString("image.id","your-media-id")
success = json.UpdateString("image.caption","your-image-caption")

'  Adds the "Authorization: Bearer your-auth-token" header.
http.AuthToken = "your-auth-token"

set resp = Server.CreateObject("Chilkat.HttpResponse")
success = http.HttpJson("POST","https://example.com/v1/messages",json,"application/json",resp)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
    Response.End
End If

set sbResponseBody = Server.CreateObject("Chilkat.StringBuilder")
success = resp.GetBodySb(sbResponseBody)
set jResp = Server.CreateObject("Chilkat.JsonObject")
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = 0

Response.Write "<pre>" & Server.HTMLEncode( "Response Body:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( jResp.Emit()) & "</pre>"

respStatusCode = resp.StatusCode
Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & respStatusCode) & "</pre>"
If (respStatusCode >= 400) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response Header:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( resp.Header) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
    Response.End
End If

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

'  {
'    "messages": [
'      {
'        "id": "gBEGkYiEB1VXAglK1ZEqA1YKPrU"
'      }
'    ]
'  }

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

i = 0
count_i = jResp.SizeOfArray("messages")
Do While i < count_i
    jResp.I = i
    id = jResp.StringOf("messages[i].id")
    i = i + 1
Loop

%>
</body>
</html>