| 1. | API | Application Program Interface; A set of routines, protocols, and tools for building software applications. |
| 2. | Android | An open source operating system used for smartphones and tablet computers. |
| 3. | Approval Code | An authorization code received by merchant when transaction is approved |
| 4. | Batch Number | Sequential number from batching process. Batching is when the merchant reviews all the day's sales to ensure they were authorized and signed by cardholder. It then transmits all the sales at once called a batch to the acquirer (see: bank acquirer) to receive a payment. |
| 5. | Currency | Money used on transaction based on particular country where transaction made. |
| 6. | Masked PAN | Debit or credit card numbers which are censored. |
| 7. | Merchant | Business and or companies that are registered to cashlez readers. |
| 8. | Merchant Application | Application specifically made for merchant, operated only after having cashlez application installed. |
| 9. | Reader | Transaction device which is able to read, communicate and process transaction data from chip card. |
| 10. | RRN | Retrieval Reference Number. |
| 11. | Transaction | An activity between merchant with customers of exchanging products and or service with money (cash and non-cash) and recorded with supporting proof. |
| 12. | Transaction Date (server time) | Date where transaction occurred. |