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Cirium's Flex APIs consist of a set of airline, airport, flight, on-time performance and weather information services. Get a free evaluation account to try them out.

Latest Blog Posts
- Ascend by Cirium Weekly Team Perspective: Will Inflation Drive Increasing Commercial Aircraft Values?
- on the fly: Will travel levels recover for the July 4th holiday?
- Commercial Aircraft Market Sentiment Index: What is CAMSI used for?
- on the fly: What is the largest airline market in the world?
- on the fly: What makes Istanbul an aviation success story?