# Get the block for the given round.

GET

/v2/blocks/{round}

## Authorizations

- **[api_key](https://dev.algorand.co/reference/rest-api/algod/#api_key)**

## Parameters

### Path Parameters

**round**  
required  
integer  
A round number.

### Query Parameters

**header-only**  
boolean  
If true, only the block header (exclusive of payset or certificate) may be included in response.

**format**  
string  
Allowed values:  json  msgpack  
Configures whether the response object is JSON or MessagePack encoded. If not provided, defaults to JSON.

## Responses

### 200

Encoded block object.

Select media type application/json application/msgpack  
object  
**block**  
required  
Block header data.
  
object  
**cert**  
Optional certificate object. This is only included when the format is set to message pack.

### 400

Bad Request - Non integer number

An error response with optional data field.

object  
**data**  
object  
**message**  
required  
string  
An error response with optional data field.

### 401

Invalid API Token

An error response with optional data field.

object  
**data**  
object  
**message**  
required  
string  
An error response with optional data field.

### 404

None existing block

An error response with optional data field.

object  
**data**  
object  
**message**  
required  
string  
An error response with optional data field.

### 500

Internal Error

An error response with optional data field.

object  
**data**  
object  
**message**  
required  
string  
An error response with optional data field.

### default

Unknown Error