Returns {
    apiReady: boolean;
    authorize: { authorization_code: string };
    createCardTransaction: null | AsyncPayment;
    deleteCardReader: null | boolean;
    getCardReaderByRequestId: null | AsyncCardReader;
    getCardReaders: null | CardReader[];
    getPaymentByRequestId: null | AsyncPayment;
    getToken: null | TokenResponse;
    inviteUser: null | InviteUserResponse;
    payAsync: null | AsyncPaymentResponse;
    previewPayment: null | PaymentPreviewResponse;
    refund: null | PosRefundResponse;
    registerCardReader: null | AsyncCardReaderResponse;
    resetPassword: null | void;
    simulateCardSwipe: null | boolean;
}

• apiReady: boolean

  ======================= API Ready State

• authorize: { authorization_code: string }

• createCardTransaction: null | AsyncPayment

  CREATE CARD TRANSACTION

• deleteCardReader: null | boolean

• getCardReaderByRequestId: null | AsyncCardReader

• getCardReaders: null | CardReader[]

• getPaymentByRequestId: null | AsyncPayment

  GET: /async/payments/{requestId} Input: requestId: string Output: AsyncPayment

• getToken: null | TokenResponse

• inviteUser: null | InviteUserResponse

• payAsync: null | AsyncPaymentResponse

  POST: /async/pay Input: PaymentRequest Output: AsyncPaymentResponse

• previewPayment: null | PaymentPreviewResponse

  POST: /preview/pay Input: PaymentPreviewRequest Output: PaymentPreviewResponse

• refund: null | PosRefundResponse

  POST: /transactions/{transactionId}/refunds Input: PosRefundRequest Output: PosRefundResponse

• registerCardReader: null | AsyncCardReaderResponse

• resetPassword: null | void

• simulateCardSwipe: null | boolean