# Single SMS Sending

### Request URL
```
https://{domain}/sms/send?spid=xx&pwd=xx&das=xx&timestamp=xx&sm=x
```

### Request Method
GET

### Parameter Description

| Field | Type | Name | Description |
|-------|------|------|-------------|
| spid | string | Interface account | |
| pwd | string | Encrypted password | **Important note 3** |
| das | string | Phone number | Must include international code, e.g., 0062 |
| sm | string | Message content | Must be converted to hexadecimal (character length is based on original text) |
| timestamp | string | Current Unix timestamp (seconds) | Example: 1601028870 |
| senderid | string | Optional | Field enabled for partners |

### Response
```json
{
  "code": 0,
  "msg": "Success",
  "data": {
    "msgid": "100123",
    "parts": 1  //Current SMS calculated number of segments
  }
}
```

### Status Code (code) Description
- 0    -- Submission successful
- 101 -- Required fields cannot be empty (note request method is GET)
- 102 -- Verification failed (Unix timestamp is time zone independent, ensure error range [-10s, 10s])
- 103 -- spid does not exist
- 104 -- Password does not match (parameter must include timestamp)
- 105 -- No available channel (please contact administrator to confirm channel configuration)
- 106 -- Configuration error
- 107 -- Phone number is blacklisted
- 108 -- Content exceeds maximum character count
- 109 -- Parsing failed, please confirm interface parameters
- 110 -- Request IP restricted
- 111 -- Phone number sending restricted (too many attempts)
- 120 -- System error, please try again later (**Important note 1.1**)