# sui\_getCheckpoint{deprecated} - Sui

This method returns checkpoint information for a specified checkpoint ID or sequence number. Checkpoints are certified snapshots of blockchain state, fundamental to SUI's consensus mechanism.

{% hint style="warning" %}
This method is deprecated
{% endhint %}

### Parameters

| Parameter | Type   | Required | Description                          | Default/Supported Values    |
| --------- | ------ | -------- | ------------------------------------ | --------------------------- |
| id        | string | Yes      | Checkpoint digest or sequence number | Valid checkpoint identifier |

Request Example

{% tabs %}
{% tab title="cURL" %}
{% code title="curl" %}

```bash
curl --location --request POST https://go.getblock.io/<ACCESS-TOKEN>/ \
--header 'Content-Type: application/json' \
--data-raw '{
  "jsonrpc": "2.0",
  "method": "sui_getCheckpoint",
  "params": ["1000"],
  "id": "getblock.io"
}'
```

{% endcode %}
{% endtab %}

{% tab title="Request" %}
{% code title="example.py" overflow="wrap" %}

```python
import requests
url = "https://go.getblock.io/<ACCESS-TOKEN>/"
payload = {"jsonrpc": "2.0", "method": "sui_getCheckpoint", "params": ["1000"], "id": "getblock.io"}
response = requests.post(url, headers={"Content-Type": "application/json"}, json=payload)
print("Result:", response.json().get("result"))
```

{% endcode %}
{% endtab %}

{% tab title="JavaScript (Axios)" %}
{% code title="example.js" %}

```javascript
const axios = require('axios');
axios.post("https://go.getblock.io/<ACCESS-TOKEN>/", {
  jsonrpc: "2.0", method: "sui_getCheckpoint", params: ["1000"], id: "getblock.io"
}).then(r => console.log("Result:", r.data.result));
```

{% endcode %}
{% endtab %}

{% tab title="Rust" %}
{% code title="main.rs" %}

```rust
use reqwest::Client;
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    let payload = json!({"jsonrpc": "2.0", "id": "getblock.io", "method": "sui_getCheckpoint", "params": ["1000"]});
    let response = client.post("https://go.getblock.io/<ACCESS-TOKEN>/").json(&payload).send().await?;
    println!("Response: {:?}", response.text().await?);
    Ok(())
}
```

{% endcode %}
{% endtab %}
{% endtabs %}

### Response

{% code title="response.json" %}

```json
{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "result": {
    "epoch": "5000",
    "sequenceNumber": "1000",
    "digest": "G6Dtzr1ZSfHFhotGsTE3cLENa7L1ooe1BBvknAUsARbV",
    "networkTotalTransactions": "792385",
    "previousDigest": "6tBy8RXZKrdrB4XkMQn7J3MNG4fQCo9XcRduFFvYrL5Z",
    "timestampMs": "1676911928",
    "transactions": ["mN8YNBgVR3wB7vfXmjVgDRF4oqxVRRjzmJ6U4mzbq77"],
    "validatorSignature": "wAAA..."
  }
}
```

{% endcode %}

### Reponse Parameters

| Parameter                       | Type   | Description                  |
| ------------------------------- | ------ | ---------------------------- |
| result.epoch                    | string | Epoch number                 |
| result.sequenceNumber           | string | Checkpoint sequence number   |
| result.digest                   | string | Checkpoint digest            |
| result.networkTotalTransactions | string | Cumulative transaction count |
| result.timestampMs              | string | Checkpoint timestamp         |
| result.transactions             | array  | Transaction digests          |

### Use Cases

1. Block Explorer: Display checkpoint details and included transactions.
2. Finality Verification: Confirm transactions are finalized in checkpoints.
3. Network Sync: Track and verify blockchain state synchronization.

### Common Errors

| Error    | Description               | Solution             |
| -------- | ------------------------- | -------------------- |
| NotFound | Checkpoint does not exist | Verify checkpoint ID |

### SDK Integration

{% tabs %}
{% tab title="Sui Typescript SDK" %}
{% code title="TypeScript (Sui SDK)" %}

```typescript
import { SuiClient } from '@mysten/sui/client';
const client = new SuiClient({ url: 'https://go.getblock.io/<ACCESS-TOKEN>/' });
const checkpoint = await client.getCheckpoint({ id: '1000' });
console.log(checkpoint);
```

{% endcode %}
{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.getblock.io/api-reference/sui-sui/sui_getcheckpoint-deprecated-sui.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
