Olery Review APIs

Make use of millions of reviews published across the web

What Olery does


Olery captures hotel and restaurant reviews published by guests on dozens of platforms


All reviews get analyzed (ratings, sentiment, user profiles)


Review data and content is available via reliable APIs


For OTAs & Travel Media

Make your site and app more relevant by showing up-to-date content from reviews published by other travelers

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For Hospitality Software

Expand your business by offering reputation and review management features

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For Other Businesses

Gain a competitive advantage by using customers satisfaction data as intelligence source



Review Content APIs

Reviews are an essential part of the travel booking experience for most customers. With Olery’s API you get access to up-to-date review content about hotels worldwide.

The information is gathered and aggregated from millions of real guest reviews on multiple platforms. With the help of Natural Language Processing technology we know what guests write about and what their opinions are.

What the APIs deliver

  • aggregated ratings in many categories (service, rooms, location etc.)
  • aggregated sentiment data for many topics (breakfast, staff, shower etc.)
  • Guest Experience Index, a holistic value describing the overall satisfaction
  • Review Summaries, dynamically generated textual content

Please note that for legal reason we cannot provide individual reviews for public display.

Review Feed API

Expand your business by implementing review and reputation management features into your existing hospitality software or create completely new product.

Olery makes it a breeze by providing a reliable feed of reviews to populate your application with. This way you don’t have to deal with acquiring reviews from various online sources.

What the API delivers

  • reviews in structured format
  • frequent updates
  • sentiment data extracted from Natural Language Processing
  • current hotel rankings on major platforms


Interested in working with Olery’s APIs? Get in touch

Explore How Guests Rated the Location of Hotel in Amsterdam

About Olery’s Review Data API

Olery offers an API for online hotel reviews published on international review sites and online travel agency sites. All online reviews are written by real hotel guests. Olery captures Booking.com reviews, Expedia reviews, Hotel.com reviews, Agoda reviews and more.

All guest reviews undergo extensive analysis. Review ratings and guest sentiment is extracted. Aggregated ratings and sentiment data is available via the Review API. The individual reviews API provides a feed of reviews for a specific hotel. All data is updated frequently.

Besides hotel reviews, Olery also captures online restaurant reviews for many restaurants around the world.