Dynamics Community Forum Thread Details

Getting access_token from C++ application (using trial)

Hi All

I have 30 days trial in Dynamics 365

I want to access Dynamics 365 api from my server application, this API:

https://docs.microsoft.com/en-us/dynamics-nav/api-reference/v1.0/index

I have created application in Microsoft Azure so I have client_id and client_secret I have also added Dynamic 365 user_impersonation rights in API Interface

I'm doing POST to:

api.businesscentral.dynamics.com/.../v1.0

with body:
client_id=my_client_id&client_secret=client_secret

I was trying with url encode setting header:

ContentTypeHeader,"application/x-www-form-urlencoded"

and without url encode

I'm getting reply:

The credentials provided are incorrect

Can someone provide an example or explanation how to request access_token without mouse clicking in Postman or similar application.

Best,
Marek

Hi All

I have a bit of progress I'm doing POST to:

with body:

grant_type=client_credentials&client_id=my_client_id&client_secret=my_client_secret&resource=api.businesscentral.dynamics.com

I'm getting response:

{\"token_type\":\"Bearer\",\"expires_in\":\"3600\",\"ext_expires_in\":\"3600\",\"expires_on\":\"1561029308\",\"not_before\":\"1561025408\",\"resource\":\"api.businesscentral.dynamics.com\",\"access_token\":\"my_token_long_string\"}

Then I want to get API list as described here:

docs.microsoft.com/.../devenv-develop-connect-apps

Using this access token

GET api.businesscentral.dynamics.com/.../v1.0

Authorization: Bearer my_access_token

And in response I'm getting:

<error xmlns=\"docs.oasis-open.org/.../metadata\"><code>NoLicense</code><message>User has no license</message></error>

So is it possible to get access to API with trial version? Or is there something I'm doing wrong ?

Best,

Marek

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