{"currency":"USD","unit":"cent","per_operation":1,"per_page":1,"per_minute":1,"free_operations_on_signup":100,"free_operations_expire":false,"minimum_topup_cents":500,"balance_expires":false,"subscription_required":false,"concurrency_limit":null,"bonus_tiers":[{"from_cents":2000,"bonus_percent":5},{"from_cents":5000,"bonus_percent":8},{"from_cents":10000,"bonus_percent":10},{"from_cents":50000,"bonus_percent":15},{"from_cents":100000,"bonus_percent":20}],"note":"One US cent per operation. Free operations and credits never expire. Failed calls are free. Top-ups from $20 earn bonus credit."}