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POST
/
evm
ots_getBlockTransactions
curl --request POST \
  --url https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "ots_getBlockTransactions",
  "params": [
    1000,
    0,
    10
  ],
  "id": 1
}
'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "txs": [],
    "receipts": [],
    "firstPage": true,
    "lastPage": true
  }
}
This method is available on Chainstack. Not all Hyperliquid methods are available — see Hyperliquid methods for the full availability breakdown.
The ots_getBlockTransactions JSON-RPC method retrieves paginated transactions for a specific block on the Hyperliquid EVM blockchain. This Otterscan-specific method optimizes data transfer by removing verbose fields like logs and providing pagination support for blocks with many transactions.
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​
Parameters

  1. block number (integer, required): The block number to retrieve transactions from
  2. page number (integer, required): The page number to retrieve (0-indexed)
  3. page size (integer, required): The number of transactions per page

​
Response

The method returns a paginated response with transaction data and receipts.

​
Response structure

  • fullblock — the complete block information
    • number — block number
    • hash — block hash
    • parentHash — parent block hash
    • timestamp — block timestamp
    • gasLimit — block gas limit
    • gasUsed — total gas used
    • baseFeePerGas — base fee per gas
  • receipts — array of transaction receipts (simplified, without logs)
    • transactionHash — hash of the transaction
    • status — success status (0x1 for success, 0x0 for failure)
    • cumulativeGasUsed — cumulative gas used up to this transaction
    • gasUsed — gas used by this transaction
    • effectiveGasPrice — actual gas price paid
    • contractAddress — contract address created (if applicable)
  • txs — array of transactions for the requested page
    • Standard transaction fields (hash, from, to, value, input, etc.)

​
Usage example

Shell
curl -X POST https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "ots_getBlockTransactions",
    "params": [1000, 0, 10],
    "id": 1
  }'

​
Example response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "fullblock": {
      "number": "0x3e8",
      "hash": "0xe8399bf41516f5ca663c79bc30db02b4989385c2f3a96f42958dea5753cbf4a9",
      "parentHash": "0x7c8f6a0e4d3b2a1c9e5f8b7d4a6c3e9f2b8d5a7c1e4f9b3a6d8c2e5f7a9b4c6d",
      "timestamp": "0x6734e8d0",
      "gasLimit": "0x1c9c380",
      "gasUsed": "0xa410",
      "baseFeePerGas": "0x7"
    },
    "receipts": [
      {
        "transactionHash": "0xf94f3d2ed5b59aefb6a0e566af8e86552014d84f6ed2f38a1366dedffe723381",
        "status": "0x1",
        "cumulativeGasUsed": "0x5208",
        "gasUsed": "0x5208",
        "effectiveGasPrice": "0x3b9aca00",
        "contractAddress": null
      }
    ],
    "txs": [
      {
        "hash": "0xf94f3d2ed5b59aefb6a0e566af8e86552014d84f6ed2f38a1366dedffe723381",
        "from": "0x1234567890abcdef1234567890abcdef12345678",
        "to": "0x5555555555555555555555555555555555555555",
        "value": "0xde0b6b3a7640000",
        "gas": "0x5208",
        "gasPrice": "0x3b9aca00",
        "input": "0x",
        "nonce": "0x0",
        "transactionIndex": "0x0"
      }
    ]
  }
}

​
Pagination example

To retrieve all transactions from a large block: 
// Page 0: transactions 0-9
params: [1000, 0, 10]

// Page 1: transactions 10-19
params: [1000, 1, 10]

// Page 2: transactions 20-29
params: [1000, 2, 10]

​
Use cases

The ots_getBlockTransactions method is essential for:
  • Block explorers: Display transaction lists with pagination controls
  • Large block handling: Efficiently process blocks with many transactions
  • Performance optimization: Reduce bandwidth by excluding verbose log data
  • Transaction indexing: Build transaction databases with pagination
  • API rate limiting: Control data flow with page-based retrieval
  • Mobile applications: Optimize data usage with smaller response sizes
  • Real-time monitoring: Process new blocks transaction by transaction
  • Data analysis: Systematically analyze all transactions in blocks
  • Archive services: Export block transaction data in manageable chunks
  • User interfaces: Implement infinite scroll or pagination in dApps
This method is particularly valuable for handling blocks with hundreds or thousands of transactions, where retrieving all data at once would be inefficient.

Body

application/json
​
jsonrpc
enum<string>
default:2.0
required

JSON-RPC version

Available options:
2.0
​
method
enum<string>
default:ots_getBlockTransactions
required

The RPC method name

Available options:
ots_getBlockTransactions
​
params
array
required

Parameters: [block number, page, page size]

​
id
integer
default:1
required

Request identifier

Response

200 - application/json

Successful response with paginated transaction list

​
jsonrpc
string

JSON-RPC version

​
id
integer

Request identifier

​
result
object

Paginated transaction data

Last modified on February 15, 2026