# Get a state proof that covers a given round

GET

/v2/stateproofs/{round}

## Authorizations

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

## Parameters

### Path Parameters

**round**  
required  
integer  
A round number.

## Responses

### 200

StateProofResponse wraps the StateProof type in a response.

Select media type application/json

Represents a state proof and its corresponding message

**Message**  
required  
Represents the message that the state proofs are attesting to.

**BlockHeadersCommitment**  
required  
The vector commitment root on all light block headers within a state proof interval.  
string format: byte  
/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/

**FirstAttestedRound**  
required  
The first round the message attests to.

**LastAttestedRound**  
required  
The last round the message attests to.

**LnProvenWeight**  
required  
An integer value representing the natural log of the proven weight with 16 bits of precision. This value would be used to verify the next state proof.

**VotersCommitment**  
required  
The vector commitment root of the top N accounts to sign the next StateProof.

**StateProof**  
required  
The encoded StateProof for the message.

### 401

Invalid API Token

Select media type application/json

An error response with optional data field.

**data**  
object  
**message**  
required  
string

### 404

Could not find a state proof that covers a given round

Select media type application/json

An error response with optional data field.

**data**  
object  
**message**  
required  
string

### 408

Timed out on request

Select media type application/json

An error response with optional data field.

**data**  
object  
**message**  
required  
string

### 500

Internal Error

Select media type application/json

An error response with optional data field.

**data**  
object  
**message**  
required  
string

### 503

Service Temporarily Unavailable

Select media type application/json

An error response with optional data field.

**data**  
object  
**message**  
required  
string

### default

Unknown Error