Using JavaScript to Authenticate External APIs from Power Pages

Michel Mendes [MVP], an expert in Microsoft technologies, shares an insightful breakdown on how to securely call external APIs using JavaScript from Power Pages. Mendes recommends the use of OAuth 2.0 implicit grant flow for Power Pages site, which provides you an authentication token for your Portal. This token can be effectively used for authenticated calls to external APIs, offering a good level of information security.

The author provides a step-by-step guide to use the token in JavaScript. This starts with enabling OAuth 2.0 implicit grant flow, obtaining a token by calling a given endpoint, and then using it for calling authenticated API. Mendes also shares a valuable JavaScript code sample to obtain the token.

This is followed by instructions on how to validate the token in destination API. He suggests different methods for token validation through API and Azure APIM for enhancing security.

Mendes wraps up the article by hoping that his post helps the readers in making secure authenticated calls for their Power Pages sites.

• Enable OAuth 2.0 implicit flow for your site.
• Obtain a token by calling the specified endpoint.
• Use this token to call the authenticated API.
• Validate the token in destination API.
• Secure your token via Azure APIM.

Main Topics Discussed

In this article, Michel Mendes discusses secure external API calls using JavaScript from Power Pages. He suggests using OAuth 2.0 implicit grant flow to obtain authentication tokens. This system allows for secure calls, protecting information and application from hacking. A step-by-step guide details how to use tokens in JavaScript, including useful code samples. Mendes also talks about validating tokens at the destination API, offering different validation methods for different security levels.

Read the full article Call authenticated external APIs using JavaScript from Power Pages

Learn about Call authenticated external APIs using JavaScript from Power Pages

The text discusses how to call authenticated external APIs using JavaScript from Power Pages to keep the calls secure and avoid information exposure or application hacking. It mentions enabling OAuth 2.0 implicit grant flow on Power Pages sites, through which you can obtain an authentication token, and use it to make authenticated calls to external APIs. The text provides instructions on enabling OAuth 2.0 implicit flow in your site and how to use the token in JavaScript. Additionally, the token can be validated in the destination API for higher security or through Azure APIM directly for more usage restrictions.

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Keywords

Microsoft expert guide, Microsoft professional advice, Microsoft Power Pages tutorial, Microsoft OAuth 2.0 implicit flow guide, Microsoft secure API calls tutorial