(Excel) WhatsApp - Upload Media

Demonstrates how to upload media to the WhatsApp Business API client. The POST body must contain the binary media data and the Content-Type header must be set to the type of the media being uploaded.

For more information, see https://developers.facebook.com/docs/whatsapp/api/media

Download Excel Class Modules Chilkat Excel Class Modules

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

Dim http As Chilkat.Http
Set http = Chilkat.NewHttp

' Implements the following CURL command:

' curl -X POST \
' https://your-webapp-hostname:your-webapp-port/v1/media \
' -H 'Authorization: Bearer your-auth-token' \ 
' -H 'Content-Type: image/jpeg'
' --data-binary @your-file-path

' Use the following online tool to generate HTTP code from a CURL command
' Convert a cURL Command to HTTP Source Code

Dim bdRequestBody As Chilkat.BinData
Set bdRequestBody = Chilkat.NewBinData
success = bdRequestBody.LoadFile("your-file-path")
If (success <> True) Then
    Debug.Print "Failed to load your-file-path"
    Exit Sub
End If

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


Set resp = http.PBinaryBd("POST","https://your-webapp-hostname:your-webapp-port/v1/media",bdRequestBody,"image/jpeg",False,False)
If (http.LastMethodSuccess = False) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim sbResponseBody As Chilkat.StringBuilder
Set sbResponseBody = Chilkat.NewStringBuilder
Dim success As Boolean
success = resp.GetBodySb(sbResponseBody)
Dim jResp As Chilkat.JsonObject
Set jResp = Chilkat.NewJsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

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


respStatusCode = resp.StatusCode
Debug.Print "Response Status Code = "; respStatusCode
If (respStatusCode >= 400) Then
    Debug.Print "Response Header:"
    Debug.Print resp.Header
    Debug.Print "Failed."

    Exit Sub
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