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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I might be able to help with that. I started using Amadeus' (a Global Distribution System) API for airlines. They have a hotel section, though I've never used it. https://developers.amadeus.com/
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