How to authenticate when we call a external WEBAPI from html page in web resources.

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Posted on by basavaraj

I have a WEBAPI which is doing DB operations. This WEBAPI needs to be invoked from a HTML page in web resources in CRM. I am invoking the WEBAPI from HTML page using ajax. I need to do authentication for this call.

How can this be achieved?

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Manmohan Kapoor on at

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RE: How to authenticate when we call a external WEBAPI from html page in web resources.

Please refer the below link ..It's very good article which will help you to solve the WEBAPI problem.

community.dynamics.com/.../ms-crm-2016-web-api-operations-retrieve-single-or-multiple-records
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Aric Levin - MVP 30,188 Moderator on at

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RE: How to authenticate when we call a external WEBAPI from html page in web resources.

You need to retrieve a token, and then add the Authorization header to your request:

req.setRequestHeader("Authorization", "Bearer " + token);

If you are managing the credentials yourself, you can convert your credentials to Base64 on client side and re-convert them to string on api side.

There are other options, all based on the sensitivity of your request, and what data source you are trying to connect with.

You tags say CRM 2011, so it doesn't seem like you are using CRM Web Api, but your own custom webapi.

Hope this helps.