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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Text Analysis
  3. /Watson Natural Language Understanding
Text Analysis
Watson Natural Language Understanding logo

Watson Natural Language Understanding

Natural language processing for advanced text analysis.

Watson Natural Language Understanding API is a free Text Analysis API that requires OAuth authentication, is served over HTTPS and has unconfirmed CORS support.

Authentication
OAuth
HTTPS
Yes
CORS
Unknown
Category
Text Analysis
Visit documentation ↗cloud.ibm.com
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Watson Natural Language Understanding API FAQ

Is the Watson Natural Language Understanding API free?

Yes. The Watson Natural Language Understanding API is listed in the Text Analysis category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Watson Natural Language Understanding API require an API key?

Yes. The Watson Natural Language Understanding API uses OAuth authentication, so you need to register for credentials before making requests.

Can I call the Watson Natural Language Understanding API from the browser?

CORS support for the Watson Natural Language Understanding API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.

Does the Watson Natural Language Understanding API support HTTPS?

Yes. The Watson Natural Language Understanding API is served over HTTPS, so it's safe to use in production.