.NET Core C# / Infobip WhatsApp / Send WhatsApp template message
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// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Chilkat.Http http = new Chilkat.Http();
bool success;
// 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": [
// {
// "from": "{{senderNumber}}",
// "to": "{{receiverNumber}}",
// "messageId": "test-message-{{$randomInt}}",
// "content": {
// "templateName": "boarding_pass",
// "templateData": {
// "body": {
// "placeholders": [
// "123456789"
// ]
// },
// "header": {
// "type": "IMAGE",
// "mediaUrl": "{{exampleImagePath}}"
// }
// },
// "language": "en"
// },
// "callbackData": "Callback data"
// }
// ]
// }
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("messages[0].from","{{senderNumber}}");
json.UpdateString("messages[0].to","{{receiverNumber}}");
json.UpdateString("messages[0].messageId","test-message-{{$randomInt}}");
json.UpdateString("messages[0].content.templateName","boarding_pass");
json.UpdateString("messages[0].content.templateData.body.placeholders[0]","123456789");
json.UpdateString("messages[0].content.templateData.header.type","IMAGE");
json.UpdateString("messages[0].content.templateData.header.mediaUrl","{{exampleImagePath}}");
json.UpdateString("messages[0].content.language","en");
json.UpdateString("messages[0].callbackData","Callback data");
http.SetRequestHeader("Authorization","App {{INFOBIP_API_KEY}}");
http.SetRequestHeader("Content-Type","application/json");
Chilkat.HttpResponse resp = http.PostJson3("https://domain.com/whatsapp/1/message/template","application/json",json);
if (http.LastMethodSuccess == false) {
Debug.WriteLine(http.LastErrorText);
return;
}
Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;
Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());
int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
Debug.WriteLine("Response Header:");
Debug.WriteLine(resp.Header);
Debug.WriteLine("Failed.");
return;
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "messages": [
// {
// "to": "441134960001",
// "messageCount": 1,
// "messageId": "test-message-448",
// "status": {
// "groupId": 1,
// "groupName": "PENDING",
// "id": 7,
// "name": "PENDING_ENROUTE",
// "description": "Message sent to next instance",
// "action": null
// }
// }
// ],
// "bulkId": null
// }
// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code
string v_to;
int messageCount;
string messageId;
int GroupId;
string GroupName;
int Id;
string Name;
string Description;
string Action;
string bulkId = jResp.StringOf("bulkId");
int i = 0;
int count_i = jResp.SizeOfArray("messages");
while (i < count_i) {
jResp.I = i;
v_to = jResp.StringOf("messages[i].to");
messageCount = jResp.IntOf("messages[i].messageCount");
messageId = jResp.StringOf("messages[i].messageId");
GroupId = jResp.IntOf("messages[i].status.groupId");
GroupName = jResp.StringOf("messages[i].status.groupName");
Id = jResp.IntOf("messages[i].status.id");
Name = jResp.StringOf("messages[i].status.name");
Description = jResp.StringOf("messages[i].status.description");
Action = jResp.StringOf("messages[i].status.action");
i = i + 1;
}
Curl Command
curl -X POST
-H "Authorization: App {{INFOBIP_API_KEY}}"
-H "Content-Type: application/json"
-d '{
"messages": [
{
"from": "{{senderNumber}}",
"to": "{{receiverNumber}}",
"messageId": "test-message-{{$randomInt}}",
"content": {
"templateName": "boarding_pass",
"templateData": {
"body": {
"placeholders": [
"123456789"
]
},
"header": {
"type": "IMAGE",
"mediaUrl": "{{exampleImagePath}}"
}
},
"language": "en"
},
"callbackData": "Callback data"
}
]
}'
https://domain.com/whatsapp/1/message/template
Postman Collection Item JSON
{
"name": "Send WhatsApp template message",
"event": [
{
"listen": "test",
"script": {
"exec": [
"pm.test(\"Status code is 200\", function () {",
" pm.response.to.have.status(200);",
"});",
"",
"pm.test(\"Message sent successfully\", function () {",
" var jsonData = pm.response.json();",
" pm.expect(jsonData.messages[0].status.description).to.eql(\"Message sent to next instance\");",
"});"
],
"type": "text/javascript"
}
}
],
"request": {
"method": "POST",
"header": [
{
"key": "Content-Type",
"value": "application/json"
}
],
"body": {
"mode": "raw",
"raw": "{\n \"messages\": [\n {\n \"from\": \"{{senderNumber}}\",\n \"to\": \"{{receiverNumber}}\",\n \"messageId\": \"test-message-{{$randomInt}}\",\n \"content\": {\n \"templateName\": \"boarding_pass\",\n \"templateData\": {\n \"body\": {\n \"placeholders\": [\n \"123456789\"\n ]\n },\n \"header\": {\n \"type\": \"IMAGE\",\n \"mediaUrl\": \"{{exampleImagePath}}\"\n }\n },\n \"language\": \"en\"\n },\n \"callbackData\": \"Callback data\"\n }\n ]\n}",
"options": {
"raw": {
"language": "json"
}
}
},
"url": {
"raw": "{{baseUrl}}/whatsapp/1/message/template",
"host": [
"{{baseUrl}}"
],
"path": [
"whatsapp",
"1",
"message",
"template"
]
},
"description": "Send a single or multiple template messages to a one or more recipients. Template messages can be sent and delivered at anytime. Each template sent needs to be registered and pre-approved by WhatsApp."
},
"response": [
{
"name": "Template message \"boarding_pass\"",
"originalRequest": {
"method": "POST",
"header": [
{
"key": "Content-Type",
"value": "application/json"
}
],
"body": {
"mode": "raw",
"raw": "{\n \"messages\": [\n {\n \"from\": \"{{senderNumber}}\",\n \"to\": \"{{receiverNumber}}\",\n \"messageId\": \"test-message-{{$randomInt}}\",\n \"content\": {\n \"templateName\": \"boarding_pass\",\n \"templateData\": {\n \"body\": {\n \"placeholders\": [\n \"123456789\"\n ]\n },\n \"header\": {\n \"type\": \"IMAGE\",\n \"mediaUrl\": \"{{exampleImagePath}}\"\n }\n },\n \"language\": \"en\"\n },\n \"callbackData\": \"Callback data\"\n }\n ]\n}",
"options": {
"raw": {
"language": "json"
}
}
},
"url": {
"raw": "{{baseUrl}}/whatsapp/1/message/template",
"host": [
"{{baseUrl}}"
],
"path": [
"whatsapp",
"1",
"message",
"template"
]
}
},
"status": "OK",
"code": 200,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Vary",
"value": "Origin"
},
{
"key": "Vary",
"value": "Access-Control-Request-Method"
},
{
"key": "Vary",
"value": "Access-Control-Request-Headers"
},
{
"key": "Date",
"value": "Mon, 08 Nov 2021 09:53:31 GMT"
},
{
"key": "Content-Type",
"value": "application/json"
},
{
"key": "Server",
"value": "SMS API"
},
{
"key": "Transfer-Encoding",
"value": "chunked"
},
{
"key": "X-Request-Id",
"value": "1636365211773062836"
}
],
"cookie": [
],
"body": "{\n \"messages\": [\n {\n \"to\": \"441134960001\",\n \"messageCount\": 1,\n \"messageId\": \"test-message-448\",\n \"status\": {\n \"groupId\": 1,\n \"groupName\": \"PENDING\",\n \"id\": 7,\n \"name\": \"PENDING_ENROUTE\",\n \"description\": \"Message sent to next instance\",\n \"action\": null\n }\n }\n ],\n \"bulkId\": null\n}"
},
{
"name": "Template message \"invoice\"",
"originalRequest": {
"method": "POST",
"header": [
{
"key": "Content-Type",
"value": "application/json"
}
],
"body": {
"mode": "raw",
"raw": "{\n \"messages\": [\n {\n \"from\": \"{{senderNumber}}\",\n \"to\": \"{{receiverNumber}}\",\n \"messageId\": \"test-message-{{$randomInt}}\",\n \"content\": {\n \"templateName\": \"invoice\",\n \"templateData\": {\n \"body\": {\n \"placeholders\": [\n \"User\",\n \"123456789\"\n ]\n },\n \"header\": {\n \"type\": \"DOCUMENT\",\n \"mediaUrl\": \"{{exampleDocumentPath}}\",\n \"filename\": \"ExampleDocumet.pdf\"\n }\n },\n \"language\": \"en\"\n },\n \"callbackData\": \"Callback data\"\n }\n ]\n}",
"options": {
"raw": {
"language": "json"
}
}
},
"url": {
"raw": "{{baseUrl}}/whatsapp/1/message/template",
"host": [
"{{baseUrl}}"
],
"path": [
"whatsapp",
"1",
"message",
"template"
]
}
},
"status": "OK",
"code": 200,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Vary",
"value": "Origin"
},
{
"key": "Vary",
"value": "Access-Control-Request-Method"
},
{
"key": "Vary",
"value": "Access-Control-Request-Headers"
},
{
"key": "Date",
"value": "Mon, 08 Nov 2021 10:08:28 GMT"
},
{
"key": "Content-Type",
"value": "application/json"
},
{
"key": "Server",
"value": "SMS API"
},
{
"key": "Transfer-Encoding",
"value": "chunked"
},
{
"key": "X-Request-Id",
"value": "1636366108642122837"
}
],
"cookie": [
],
"body": "{\n \"messages\": [\n {\n \"to\": \"441134960001\",\n \"messageCount\": 1,\n \"messageId\": \"test-message-285\",\n \"status\": {\n \"groupId\": 1,\n \"groupName\": \"PENDING\",\n \"id\": 7,\n \"name\": \"PENDING_ENROUTE\",\n \"description\": \"Message sent to next instance\",\n \"action\": null\n }\n }\n ],\n \"bulkId\": null\n}"
}
]
}
