Words we use
Short meanings of the terms used across these docs.
| Word | Meaning |
|---|---|
| SMS | A text message to a mobile phone. |
| Segment | One part of a message. Long messages are split into several segments. You pay per segment. |
| Sender ID | The name or number the phone shows as the sender, for example YANU. Up to 11 letters and digits. |
| API key | A secret string your software uses to call the HTTP API. Starts with yanu_live_ or yanu_test_. |
| Bind | One SMPP login (system_id and password) with its own countries, IP list, speed limit and credit. |
| TX, RX, TRX | SMPP bind types. TX sends, RX receives, TRX does both on one connection. |
| DLR, delivery receipt | A report from the network that says if a message was delivered. |
| Credit | On SMPP, prepaid SMS units. One credit pays for one segment. |
| Reseller | A business that buys SMS at wholesale price and sells it to its own clients. |
| Top-up | Adding money or credit to your balance. |
| Upstream | The SMPP gateway that SMS YANU itself connects to, to reach the mobile networks. |
| MWK | Malawi Kwacha, the default currency. |