VB.NET / Zoho CRM REST APIs / Upload Files to Zoho File System (ZFS)
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' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
Dim http As New Chilkat.Http
Dim success As Boolean
Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = "/crm/v2/files"
req.ContentType = "multipart/form-data"
success = req.AddFileForUpload2("file"," path to file","application/octet-stream")
req.AddHeader("Authorization","Bearer <access_token>")
req.AddHeader("Expect","100-continue")
Dim resp As Chilkat.HttpResponse = http.SynchronousRequest("domain.com",443,True,req)
If (http.LastMethodSuccess = 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)
' {
' "data": [
' {
' "code": "SUCCESS",
' "details": {
' "name": "logo.png",
' "id": "ca6ef5d8dd44cb1394394046ad4335df7b1108e8feb89715a15f4c100a2a3c9f"
' },
' "message": "logo.png uploaded Succeessfully",
' "status": "success"
' }
' ]
' }
' Sample code for parsing the JSON response...
' Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code
Dim code As String
Dim Name As String
Dim Id As String
Dim message As String
Dim status As String
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("data")
While i < count_i
jResp.I = i
code = jResp.StringOf("data[i].code")
Name = jResp.StringOf("data[i].details.name")
Id = jResp.StringOf("data[i].details.id")
message = jResp.StringOf("data[i].message")
status = jResp.StringOf("data[i].status")
i = i + 1
End While
Curl Command
curl -X POST
-H "Authorization: Bearer <access_token>"
--form 'file=@"/path/to/file"'
https://domain.com/crm/v2/files
Postman Collection Item JSON
{
"name": "Upload Files to Zoho File System (ZFS)",
"request": {
"auth": {
"type": "bearer",
"bearer": [
{
"key": "token",
"value": "{{access-token}}",
"type": "string"
}
]
},
"method": "POST",
"header": [
],
"body": {
"mode": "formdata",
"formdata": [
{
"key": "file",
"type": "file",
"src": "/Users/sneha-9300/Desktop/image.jpg"
}
]
},
"url": {
"raw": "{{api-domain}}/crm/v2/files",
"host": [
"{{api-domain}}"
],
"path": [
"crm",
"v2",
"files"
]
},
"description": "To upload files to the Zoho File System."
},
"response": [
{
"name": "SUCCESS RESPONSE",
"originalRequest": {
"method": "POST",
"header": [
],
"body": {
"mode": "formdata",
"formdata": [
{
"key": "file",
"type": "file",
"src": "/Users/sneha-9300/Desktop/logo.png"
}
]
},
"url": {
"raw": "{{api-domain}}/crm/v2/files",
"host": [
"{{api-domain}}"
],
"path": [
"crm",
"v2",
"files"
]
}
},
"status": "OK",
"code": 200,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Server",
"value": "ZGS"
},
{
"key": "Date",
"value": "Tue, 11 May 2021 15:59:52 GMT"
},
{
"key": "Content-Type",
"value": "application/json;charset=utf-8"
},
{
"key": "Content-Length",
"value": "194"
},
{
"key": "Connection",
"value": "keep-alive"
},
{
"key": "Referrer-Policy",
"value": "strict-origin"
},
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "X-XSS-Protection",
"value": "1; mode=block"
},
{
"key": "Pragma",
"value": "no-cache"
},
{
"key": "Cache-Control",
"value": "no-store, no-cache, must-revalidate, private"
},
{
"key": "Expires",
"value": "Thu, 01 Jan 1970 00:00:00 GMT"
},
{
"key": "X-Frame-Options",
"value": "SAMEORIGIN"
},
{
"key": "X-ACCESSTOKEN-RESET",
"value": "2021-05-11T16:58:15+00:00"
},
{
"key": "clientVersion",
"value": "4027076"
},
{
"key": "clientsubVersion",
"value": "748ecbe82ec7e144b66ee25f264bbd88"
},
{
"key": "Content-Disposition",
"value": "attachment; filename=response.json"
},
{
"key": "Content-Language",
"value": "en-US"
},
{
"key": "Strict-Transport-Security",
"value": "max-age=15768000"
}
],
"cookie": [
],
"body": "{\n \"data\": [\n {\n \"code\": \"SUCCESS\",\n \"details\": {\n \"name\": \"logo.png\",\n \"id\": \"ca6ef5d8dd44cb1394394046ad4335df7b1108e8feb89715a15f4c100a2a3c9f\"\n },\n \"message\": \"logo.png uploaded Succeessfully\",\n \"status\": \"success\"\n }\n ]\n}"
},
{
"name": "INVALID_REQUEST",
"originalRequest": {
"method": "POST",
"header": [
],
"body": {
"mode": "formdata",
"formdata": [
{
"key": "file",
"type": "file",
"src": "/Users/sneha-9300/Desktop/SampleCSVFile.zip"
}
]
},
"url": {
"raw": "{{api-domain}}/crm/v2/file",
"host": [
"{{api-domain}}"
],
"path": [
"crm",
"v2",
"file"
]
}
},
"status": "Bad Request",
"code": 400,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Server",
"value": "ZGS"
},
{
"key": "Date",
"value": "Tue, 11 May 2021 16:01:17 GMT"
},
{
"key": "Content-Type",
"value": "application/json;charset=utf-8"
},
{
"key": "Content-Length",
"value": "192"
},
{
"key": "Connection",
"value": "keep-alive"
},
{
"key": "Referrer-Policy",
"value": "strict-origin"
},
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "X-XSS-Protection",
"value": "1; mode=block"
},
{
"key": "X-Frame-Options",
"value": "SAMEORIGIN"
},
{
"key": "X-Download-Options",
"value": "noopen"
}
],
"cookie": [
],
"body": "{\n \"code\": \"INVALID_REQUEST\",\n \"details\": {},\n \"message\": \"unable to process your request. please verify whether you have entered proper method name, parameter and parameter values.\",\n \"status\": \"error\"\n}"
},
{
"name": "AUTHENTICATION_FAILURE",
"originalRequest": {
"method": "POST",
"header": [
],
"body": {
"mode": "formdata",
"formdata": [
{
"key": "file",
"type": "file",
"src": "/Users/sneha-9300/Desktop/SampleCSVFile.zip"
}
]
},
"url": {
"raw": "{{api-domain}}/crm/v2/files",
"host": [
"{{api-domain}}"
],
"path": [
"crm",
"v2",
"files"
]
}
},
"status": "Unauthorized",
"code": 401,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Server",
"value": "ZGS"
},
{
"key": "Date",
"value": "Tue, 11 May 2021 16:01:38 GMT"
},
{
"key": "Content-Type",
"value": "application/json;charset=utf-8"
},
{
"key": "Content-Length",
"value": "98"
},
{
"key": "Connection",
"value": "keep-alive"
},
{
"key": "Referrer-Policy",
"value": "strict-origin"
},
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "X-XSS-Protection",
"value": "1; mode=block"
},
{
"key": "Pragma",
"value": "no-cache"
},
{
"key": "Cache-Control",
"value": "no-cache"
},
{
"key": "Expires",
"value": "Thu, 01 Jan 1970 00:00:00 GMT"
},
{
"key": "X-Frame-Options",
"value": "SAMEORIGIN"
},
{
"key": "X-Download-Options",
"value": "noopen"
}
],
"cookie": [
],
"body": "{\n \"code\": \"AUTHENTICATION_FAILURE\",\n \"details\": {},\n \"message\": \"Authentication failed\",\n \"status\": \"error\"\n}"
},
{
"name": "INVALID_REQUEST",
"originalRequest": {
"method": "POST",
"header": [
],
"body": {
"mode": "formdata",
"formdata": [
{
"key": "file",
"type": "file",
"src": "/Users/sneha-9300/Desktop/image.jpg"
}
]
},
"url": {
"raw": "{{api-domain}}/crm/v2/files",
"host": [
"{{api-domain}}"
],
"path": [
"crm",
"v2",
"files"
]
}
},
"status": "Bad Request",
"code": 400,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Server",
"value": "ZGS"
},
{
"key": "Date",
"value": "Thu, 13 May 2021 06:45:56 GMT"
},
{
"key": "Content-Type",
"value": "application/json;charset=utf-8"
},
{
"key": "Content-Length",
"value": "192"
},
{
"key": "Connection",
"value": "keep-alive"
},
{
"key": "Referrer-Policy",
"value": "strict-origin"
},
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "X-XSS-Protection",
"value": "1; mode=block"
},
{
"key": "Pragma",
"value": "no-cache"
},
{
"key": "Cache-Control",
"value": "no-cache"
},
{
"key": "Expires",
"value": "Thu, 01 Jan 1970 00:00:00 GMT"
},
{
"key": "X-Frame-Options",
"value": "SAMEORIGIN"
},
{
"key": "X-Download-Options",
"value": "noopen"
}
],
"cookie": [
],
"body": "{\n \"code\": \"INVALID_REQUEST\",\n \"details\": {},\n \"message\": \"unable to process your request. please verify whether you have entered proper method name, parameter and parameter values.\",\n \"status\": \"error\"\n}"
}
]
}
