> For the complete documentation index, see [llms.txt](https://docs.getblock.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.getblock.io/api-reference/tempo/consensus_getlatest-tempo.md).

# consensus\_getLatest - Tempo

Returns the current consensus state snapshot: the latest finalized block and (if ahead) the latest notarized block. Useful for monitoring consensus liveness and catching reorgs at the consensus layer (though Tempo's deterministic finality means notarized → finalized is fast and reliable).

{% hint style="warning" %}
**VALIDATOR-NODE-ONLY METHOD.** This method is part of the `consensus_*` namespace and is only available on Tempo validator nodes. It is **not** available on shared RPC infrastructure such as GetBlock's standard shared endpoints. Calling this method against a non-validator node returns `-32601 Method not found`. If you need access, contact GetBlock for dedicated validator node access.
{% endhint %}

## Parameters

* None

## Request Example

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

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

{% endtab %}

{% tab title="JavaScript (Axios)" %}

```javascript
import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "consensus_getLatest",
    "params": [],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

axios(config)
    .then(response => console.log(JSON.stringify(response.data, null, 2)))
    .catch(error => console.log(error));
```

{% endtab %}

{% tab title="Python (Requests)" %}

```python
import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "consensus_getLatest",
    "params": [],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)
```

{% endtab %}

{% tab title="Rust (Reqwest)" %}

```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",
        "method": "consensus_getLatest",
        "params": [],
        "id": "getblock.io"
});

    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header("Content-Type", "application/json")
        .json(&payload)
        .send()
        .await?;

    let result: serde_json::Value = response.json().await?;
    println!("{:#?}", result);

    Ok(())
}
```

{% endtab %}
{% endtabs %}

## Response Example

{% code overflow="wrap" %}

```json
{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "finalized": {
            "epoch": 42,
            "view": 387213,
            "digest": "0x6baa8fa86b9a7e5d3f1c8a4b6e9d2f5a8c3e7b1d4f9a6c2e5b8d3f7a1c4e9b2d",
            "certificate": "0xc4b5a6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6",
            "block": {
                "number": "0x9c40",
                "hash": "0x6baa8fa86b9a7e5d3f1c8a4b6e9d2f5a8c3e7b1d4f9a6c2e5b8d3f7a1c4e9b2d"
            }
        },
        "notarized": {
            "epoch": 42,
            "view": 387214,
            "digest": "0x4f3a1d6e8c2b9a7e5d3f1c8a4b6e9d2f5a8c3e7b1d4f9a6c2e5b8d3f7a1c4e9b",
            "certificate": "0xa1b2c3d4...",
            "block": {
                "number": "0x9c41",
                "hash": "0x4f3a1d6e8c2b9a7e..."
            }
        }
    }
}
```

{% endcode %}

## Response Parameters

| Field              | Type                     | Description                                                     |
| ------------------ | ------------------------ | --------------------------------------------------------------- |
| `result.finalized` | `CertifiedBlock \| null` | Latest finalized block                                          |
| `result.notarized` | `CertifiedBlock \| null` | Latest notarized block, if ahead of finalized; `null` otherwise |

## Use Cases

* Validator-side consensus liveness monitoring
* Detecting notarized-but-not-yet-finalized blocks for low-latency UX
* Building consensus-layer dashboards

## Error Handling

| Status Code | Error Message     | Cause                                                                  |
| ----------- | ----------------- | ---------------------------------------------------------------------- |
| 403         | Forbidden         | Missing or invalid `<ACCESS-TOKEN>`                                    |
| -32602      | Invalid params    | Request parameters are missing or malformed                            |
| -32601      | Method not found  | Method does not exist or is not enabled on this node                   |
| 429         | Too Many Requests | Rate limit exceeded for your plan                                      |
| -32601      | Method not found  | This is a validator-only method — not exposed on shared infrastructure |


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## 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/tempo/consensus_getlatest-tempo.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.