SP REST JSON
SP REST JSON modifies the accept property in the request header for SharePoint REST API calls to get the response in JSON format and to show it directly in Firefox instead of downloading a XML file.
Works for on-premises and SharePoint online.
SP REST JSON - Modify SharePoint API Calls in Firefox
SP REST JSON is a Firefox add-on that allows you to modify the accept property in the request header for SharePoint REST API calls. It changes the response format to JSON and enables direct viewing in Firefox instead of downloading XML files.
Add-on stats
Weekly download count: 1
Firefox on Android: No
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- <all_urls>
- activeTab
- tabs
- storage
- webRequest
- webRequestBlocking
Size: 79.09K
Email: da*****@gmx.de
URLs: Website
Ranking
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Not available on Android
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Add-on summary
Once a tab is active, the current URL is matched against the following strings:
- /_api/web/
- /_api/site/
- /_api/sp.
- /_api/search
- /_vti_bin/ListData.svc
Global Options
- Add or change SharePoint URL filters
- Set the accept header per URL filter
- application/json;odata=verbose
- application/json;odata=minimalmetadata
- application/json;odata=nometadata
- text/xml
User reviews
This extension makes debugging the REST API possible with FireFox since MS decided to use an ATOM/XML content type and hose FF apparently by default. Thank you!
by Firefox user 15182386, 2019-08-02
Add-on safety
Risk impact
SP REST JSON requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
SP REST JSON is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
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