The Qalendra Predictions API provides long-range predictions for travel and hospitality. This Restful API responds in the JSON format and employs HTTP Basic Authentication. It is powered by algorithms that ingest big data, compare all destinations at once and identify where the best conditions for vacations, sports and activities are, anywhere in the world, with months in advance. Different data sources are analyzed such as weather , terrain, and traffic. Qalendra offers one pay-per-use plan.