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Promoter API - Libraries

The Promoter API returns JSON data of contacts, feedback, and campaign metrics in a database, aiming to grow revenue and reduce turnover. It is available with API key and it allows 50K calls per day and 10 calls per second per IP. Promoter is a customer feedback service that provides users with a Net Promoter Score (NPS) to determine if customers are Promoters, Passives, or Detractors.