# Get Block

Get a block object given a block ID or block height.

**Request:**\
`requestType` is *getBlock*\
`block` is the block ID (optional)\
`height` is the block height (optional if block provided)\
`timestamp` is the timestamp (in seconds since the genesis block) of the block (optional if height provided)\
`includeTransactions` is true to include transaction details (optional)

**Note:** *block* overrides *height* which overrides *timestamp*.

**Response:**

(S) `previousBlockHash` is the 32-byte hash of the previous block\
(N) `payloadLength` is the length (in bytes) of all transactions included in the block\
(S) `totalAmountNQT` is the total amount (in NQT) of the transactions in the block\
(S) `generationSignature` is the 32-byte generation signature of the generating account\
(S) `generator` is the the generating account number\
(S) `generatorPublicKey` is the 32-byte public key of the generating account\
(S) `baseTarget` is the base target for the next block generation\
(S) `payloadHash` is the 32-byte hash of the payload (all transactions)\
(S) `generatorRS` is the Reed-Solomon address of the generating account\
(S) `blocReward` is the total block reward\
(S) `nextBlock` is the next block ID\
(N) `requestProcessingTime` is the API request processing time (in millisec)\
(S) `scoopNum` is the scoop number\
(N) `numberOfTransactions` is the number of transactions in the block\
(S) `blockSignature` is the 64-byte block signature\
(A) `transactions` is the array of transaction IDs or transaction objects (if includeTransactions provided, refer to Get Transaction for details)\
(N) `nonces` is the actual nonce number\
(S) `version` is the block version\
(S) `totalFeeNQT` is the total fee (in NQT) of the transactions in the block\
(S) `previousBlock` is the previous block ID\
(S) `block` is the block ID\
(N) `height` is the zero-based block height\
(N) `timestamp` is the timestamp (in seconds since the genesis block) of the block