6 Mar’19

D365 GeneralCreate Notes Attachment using WebAPI


After the introduction of web API in CRM, user can execute all the requests which is possible through C# or JavaScript.

In this blog I will explain how to attach a document to record using the postman.


Notes attachments has been tested with a custom entity and tested on Postman. To work this, you can follow the below blog to get the Access code.


URL: https://instancename.crm.dynamics.com/api/data/v9.1/annotations


In Authorization select the type Bearer Token Type and pass the token value which we got before.

You need to pass the below 4 parameters with value.

Key Value

Json Body:

"subject": "Test From Web API",
"filename": "Untitled2.png",
" objectid_cf_document@odata.bind ":"/cf_documents(23e6ee7c-5812-e911-a96b-000d3a3638df)",

CODE: Postman
Description: Image attached you need to pass it as base64 string as document body.

var settings = {
"async": true,
"crossDomain": true,
"url": "https://instancename.crm.dynamics.com/api/data/v9.1/annotations",
"method": "POST",
"headers": {
"Content-Type": "application/json",
"Prefer": "return=representation,odata.include-annotations=\"OData.Community.Display.V1.FormattedValue\"",
"Authorization": "Bearer eyJ0eXAiOiJKV1QiLCJhbGci.............................",
"cache-control": "no-cache",
"Postman-Token": "b57b2d5b-c8d5-4f26-abf0-a3ea1f499637"
"processData": false,
"data": " {\r\n \t \"subject\": \"Test From Web API\",\r\n \"filename\": \"Untitled2.png\",\r\n \"objectid_cf_document@odata.bind\":\"/cf_documents(a60fbc96-f00f-e911-a96b-000d3a3638df)\",\r\n \"documentbody\":\"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\"\r\n }"
$.ajax(settings).done(function (response) {

In the above code I have posted-

Post Request


Written by

Subhash Mahato

Technical Consultant

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