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(Visual Basic 6.0) WhatsApp - Send a Previously Uploaded Media MessageDemonstrates how to send a media message where the media content was previously uploaded. For more information, see https://developers.facebook.com/docs/whatsapp/api/messages/media
' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. Dim http As New ChilkatHttp Dim success As Long ' 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" ' } ' } Dim json As New ChilkatJsonObject 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" Dim resp As ChilkatHttpResponse Set resp = http.PostJson3("https://example.com/v1/messages","application/json",json) If (http.LastMethodSuccess = 0) Then Debug.Print http.LastErrorText Exit Sub End If Dim sbResponseBody As New ChilkatStringBuilder success = resp.GetBodySb(sbResponseBody) Dim jResp As New ChilkatJsonObject success = jResp.LoadSb(sbResponseBody) jResp.EmitCompact = 0 Debug.Print "Response Body:" Debug.Print jResp.Emit() Dim respStatusCode As Long 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 Dim id As String Dim i As Long i = 0 Dim count_i As Long count_i = jResp.SizeOfArray("messages") Do While i < count_i jResp.I = i id = jResp.StringOf("messages[i].id") i = i + 1 Loop |
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