### GET /v0/block_opt

Source: https://neardata.xyz

Returns the optimistic block by block height or redirects to the finalized block.

```APIDOC
## GET /v0/block_opt

### Description
Returns the optimistic block by block height or redirects to the finalized block.

### Method
GET

### Endpoint
/v0/block_opt/:block_height

### Parameters
#### Path Parameters
- **block_height** (integer) - Required - The height of the block to retrieve.

### Request Example
/v0/block_opt/122000000

### Response
#### Success Response (200)
Returns the optimistic block or redirects to the finalized block.
```

--------------------------------

### GET /v0/block/:block_height/headers

Source: https://neardata.xyz

Returns only the `.block` key from the big response, which includes the block header with chunk headers. Logic is similar to `GET /v0/block/`.

```APIDOC
## GET /v0/block/:block_height/headers

### Description
Returns only the `.block` key from the big response, which includes the block header with chunk headers. Logic is similar to `GET /v0/block/`.

### Method
GET

### Endpoint
/v0/block/:block_height/headers

### Parameters
#### Path Parameters
- **block_height** (integer) - Required - The height of the block to retrieve headers for.

### Request Example
/v0/block/100000000/headers

### Response
#### Success Response (200)
Returns the block header with chunk headers.
```

--------------------------------

### GET /v0/first_block

Source: https://neardata.xyz

Redirects to the first block after genesis. The block is guaranteed to exist and will be returned immediately.

```APIDOC
## GET /v0/first_block

### Description
Redirects to the first block after genesis. The block is guaranteed to exist and will be returned immediately.

### Method
GET

### Endpoint
/v0/first_block

### Request Example
/v0/first_block

### Response
#### Success Response (302)
Redirects to the first block after genesis.
```

--------------------------------

### GET /v0/last_block/optimistic

Source: https://neardata.xyz

Redirects to the latest optimistic block. The block is guaranteed to exist and will be returned immediately.

```APIDOC
## GET /v0/last_block/optimistic

### Description
Redirects to the latest optimistic block. The block is guaranteed to exist and will be returned immediately.

### Method
GET

### Endpoint
/v0/last_block/optimistic

### Request Example
/v0/last_block/optimistic

### Response
#### Success Response (302)
Redirects to the latest optimistic block.
```

--------------------------------

### GET /v0/block/:block_height/shard/:shard_id

Source: https://neardata.xyz

Returns a single shard of the block `:block_height` of the shard `:shard_id`.

```APIDOC
## GET /v0/block/:block_height/shard/:shard_id

### Description
Returns a single shard of the block `:block_height` of the shard `:shard_id`.

### Method
GET

### Endpoint
/v0/block/:block_height/shard/:shard_id

### Parameters
#### Path Parameters
- **block_height** (integer) - Required - The height of the block.
- **shard_id** (integer) - Required - The ID of the shard.

### Request Example
/v0/block/100000000/shard/0

### Response
#### Success Response (200)
Returns a single shard of the specified block and shard.
```

--------------------------------

### GET /v0/last_block/final

Source: https://neardata.xyz

Redirects to the latest finalized block. The block is guaranteed to exist and will be returned immediately.

```APIDOC
## GET /v0/last_block/final

### Description
Redirects to the latest finalized block. The block is guaranteed to exist and will be returned immediately.

### Method
GET

### Endpoint
/v0/last_block/final

### Request Example
/v0/last_block/final

### Response
#### Success Response (302)
Redirects to the latest finalized block.
```

--------------------------------

### GET /v0/block/:block_height/chunk/:shard_id

Source: https://neardata.xyz

Returns a single chunk of the block `:block_height` of the shard `:shard_id`.

```APIDOC
## GET /v0/block/:block_height/chunk/:shard_id

### Description
Returns a single chunk of the block `:block_height` of the shard `:shard_id`.

### Method
GET

### Endpoint
/v0/block/:block_height/chunk/:shard_id

### Parameters
#### Path Parameters
- **block_height** (integer) - Required - The height of the block.
- **shard_id** (integer) - Required - The ID of the shard.

### Request Example
/v0/block/100000000/chunk/0

### Response
#### Success Response (200)
Returns a single chunk of the specified block and shard.
```

--------------------------------

### GET /v0/block

Source: https://neardata.xyz

Retrieves the finalized block by block height. Returns null if the block doesn't exist, and waits for the block if it is close to the current finalized block.

```APIDOC
## GET /v0/block

### Description
Returns the finalized block by block height. If the block doesn't exist it returns `null`. If the block is not produced yet, but close to the current finalized block, the server will wait for the block to be produced and return it.

### Method
GET

### Endpoint
/v0/block/:block_height

### Parameters
#### Path Parameters
- **block_height** (integer) - Required - The height of the block to retrieve.

### Request Example
/v0/block/100000000

### Response
#### Success Response (200)
Returns the finalized block as a single JSON object. Includes the `tx_hash` for every receipt in the `receipt_execution_outcomes`.

#### Response Example
{
  "block": {},
  "shards": []
}
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.