# Sendly Rust SDK
Official Rust SDK for the Sendly SMS API.
## Installation
```bash
# cargo
cargo add sendly
```
Or add to your `Cargo.toml`:
```toml
[dependencies]
sendly = "0.9.5"
tokio = { version = "1", features = ["full"] }
```
## Quick Start
```rust
use sendly::{Sendly, SendMessageRequest};
#[tokio::main]
async fn main() -> sendly::Result<()> {
let client = Sendly::new("sk_live_v1_your_api_key");
// Send an SMS
let message = client.messages().send(SendMessageRequest {
to: "+15551234567".to_string(),
text: "Hello from Sendly!".to_string(),
}).await?;
println!("Message sent: {}", message.id);
Ok(())
}
```
## Prerequisites for Live Messaging
Before sending live SMS messages, you need:
1. **Business Verification** - Complete verification in the [Sendly dashboard](https://sendly.live/dashboard)
- **International**: Instant approval (just provide Sender ID)
- **US/Canada**: Requires carrier approval (3-7 business days)
2. **Credits** - Add credits to your account
- Test keys (`sk_test_*`) work without credits (sandbox mode)
- Live keys (`sk_live_*`) require credits for each message
3. **Live API Key** - Generate after verification + credits
- Dashboard → API Keys → Create Live Key
### Test vs Live Keys
| Test | `sk_test_v1_*` | No | No | Development, testing |
| Live | `sk_live_v1_*` | Yes | Yes | Production messaging |
> **Note**: You can start development immediately with a test key. Messages to sandbox test numbers are free and don't require verification.
## Configuration
```rust
use sendly::{Sendly, SendlyConfig};
use std::time::Duration;
let config = SendlyConfig::new()
.base_url("https://api.sendly.live/v1")
.timeout(Duration::from_secs(60))
.max_retries(5);
let client = Sendly::with_config("sk_live_v1_xxx", config);
```
## Messages
### Send an SMS
```rust
use sendly::{Sendly, SendMessageRequest};
let client = Sendly::new("sk_live_v1_xxx");
// With request struct
let message = client.messages().send(SendMessageRequest {
to: "+15551234567".to_string(),
text: "Hello from Sendly!".to_string(),
}).await?;
// Convenience method
let message = client.messages()
.send_to("+15551234567", "Hello!")
.await?;
println!("ID: {}", message.id);
println!("Status: {}", message.status);
println!("Credits: {}", message.credits_used);
```
### List Messages
```rust
use sendly::{Sendly, ListMessagesOptions, MessageStatus};
let client = Sendly::new("sk_live_v1_xxx");
// List all
let messages = client.messages().list(None).await?;
for msg in &messages {
println!("{}: {}", msg.id, msg.to);
}
// With options
let messages = client.messages().list(Some(
ListMessagesOptions::new()
.limit(50)
.offset(0)
.status(MessageStatus::Delivered)
.to("+15551234567")
)).await?;
// Pagination info
println!("Total: {}", messages.total());
println!("Has more: {}", messages.has_more());
```
### Get a Message
```rust
let message = client.messages().get("msg_abc123").await?;
println!("To: {}", message.to);
println!("Text: {}", message.text);
println!("Status: {}", message.status);
println!("Delivered: {:?}", message.delivered_at);
```
### Iterate All Messages
```rust
use futures::StreamExt;
// Auto-pagination with async stream
let mut stream = client.messages().iter(None);
while let Some(result) = stream.next().await {
let message = result?;
println!("{}: {}", message.id, message.to);
}
```
## Error Handling
```rust
use sendly::{Error, Sendly, SendMessageRequest};
match client.messages().send(request).await {
Ok(message) => {
println!("Sent: {}", message.id);
}
Err(Error::Authentication { message }) => {
eprintln!("Invalid API key: {}", message);
}
Err(Error::RateLimit { message, retry_after }) => {
eprintln!("Rate limited: {}", message);
if let Some(seconds) = retry_after {
eprintln!("Retry after: {} seconds", seconds);
}
}
Err(Error::InsufficientCredits { message }) => {
eprintln!("Add more credits: {}", message);
}
Err(Error::Validation { message }) => {
eprintln!("Invalid request: {}", message);
}
Err(Error::NotFound { message }) => {
eprintln!("Not found: {}", message);
}
Err(Error::Network { message }) => {
eprintln!("Network error: {}", message);
}
Err(e) => {
eprintln!("Error: {}", e);
}
}
```
## Message Object
```rust
message.id // Unique identifier
message.to // Recipient phone number
message.text // Message content
message.status // MessageStatus enum
message.credits_used // Credits consumed
message.created_at // DateTime<Utc>
message.updated_at // DateTime<Utc>
message.delivered_at // Option<DateTime<Utc>>
message.error_code // Option<String>
message.error_message // Option<String>
// Helper methods
message.is_delivered() // bool
message.is_failed() // bool
message.is_pending() // bool
```
## Message Status
| `Queued` | Message is queued for delivery |
| `Sending` | Message is being sent |
| `Sent` | Message was sent to carrier |
| `Delivered` | Message was delivered |
| `Failed` | Message delivery failed |
## Pricing Tiers
| Domestic | US, CA | 1 |
| Tier 1 | GB, PL, IN, etc. | 8 |
| Tier 2 | FR, JP, AU, etc. | 12 |
| Tier 3 | DE, IT, MX, etc. | 16 |
## Sandbox Testing
Use test API keys (`sk_test_v1_xxx`) with these test numbers:
| +15550001234 | Success |
| +15550001001 | Invalid number |
| +15550001002 | Carrier rejected |
| +15550001003 | No credits |
| +15550001004 | Rate limited |
## Features
- Async/await with Tokio
- Automatic retries with exponential backoff
- Rate limit handling
- Strong typing with enums
- Comprehensive error types
- Stream-based pagination
## License
MIT