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OpenDover API Launch!

Welcome to the first sophisticated Ontology Based Sentiment Analysis API on the market! I would like to take this opportunity to thank our developers and staff for the great work they have delivered in a reasonably short amount of time. Thanks guys great work, without your hard work this wouldn't be possible.

The OpenDover API is a webservice which tags your documents based on sentiments found in your document. More information regarding the features of the OpenDover API can be found here.

The use of this API is free! The only limit we have on the basic subscription is 100 requests within the hour. This plan is used by default. If you need more volumes, your key or new subscription can be easily upgraded to Silver, Gold or Platinum. Depending on your needs. If you need help to determine which plan is good for your application or if you need more information please send an e-mail to: api@opendover.nl or drop us an information request.

Getting Started with the Opendover API is very easy!

  1. Register a new user account
  2. Apply for an API key
  3. Browse the API documentation
  4. Join a discussion in the forums


The API and its documentation is written with a lot of care however it could be that you find an error or run into other problems. We greatly value your opinion and if you encounter any issue or if you have a feature request let us know in the forum! In the forum you can also find a FAQ section.

For now I would like to wish you a lot of fun with the development of many cool applications!

Toshio Spoor
Head of Operations OpenDover


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