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POST
/
evm
eth_callMany
curl --request POST \
  --url https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_callMany",
  "params": [
    [
      {
        "transactions": [
          {
            "to": "0x5555555555555555555555555555555555555555",
            "data": "0x70a082310000000000000000000000008D25Fb438C6efCD08679ffA82766869B50E24608"
          },
          {
            "to": "0xb8ce59fc3717ada4c02eadf9682a9e934f625ebb",
            "data": "0x70a082310000000000000000000000008D25Fb438C6efCD08679ffA82766869B50E24608"
          }
        ]
      }
    ],
    {
      "blockNumber": "latest"
    }
  ],
  "id": 1
}
'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    "0x",
    "0x0000000000000000000000000000000000000000000000000000000000000000",
    "0x"
  ]
}
The eth_callMany JSON-RPC method executes multiple call transactions in sequence without creating transactions on the blockchain. This method is useful for batch reading contract states and simulating multiple contract interactions efficiently.
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​
Parameters

The method takes two parameters:
  1. Array of call context objects — Contains transactions to execute
  2. Block state object — The block state for execution

​
Parameter details

Call context array: Each object in the array contains:
  • transactions (array, required) — Array of transaction objects to execute
    • to (string, required) — The address to call
    • data (string, optional) — The data to send with the call
    • from (string, optional) — The address the call is made from
    • gas (string, optional) — The gas limit for the call
    • gasPrice (string, optional) — The gas price for the call
    • value (string, optional) — The value to send with the call
Block state object:
  • blockNumber (string, required) — Block identifier (e.g., “latest”, or specific block number)

​
Response

The method returns an array of results corresponding to each call.

​
Response structure

Results array:
  • Array of hexadecimal strings, each representing the return data from the corresponding call
  • Results maintain the same order as the input calls
  • Failed calls return 0x or an error

​
Example request

Shell
curl -X POST https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_callMany",
    "params": [
      [
        {
          "transactions": [
            {
              "to": "0x5555555555555555555555555555555555555555",
              "data": "0x70a082310000000000000000000000008D25Fb438C6efCD08679ffA82766869B50E24608"
            },
            {
              "to": "0xb8ce59fc3717ada4c02eadf9682a9e934f625ebb",
              "data": "0x70a082310000000000000000000000008D25Fb438C6efCD08679ffA82766869B50E24608"
            }
          ]
        }
      ],
      {
        "blockNumber": "latest"
      }
    ],
    "id": 1
  }'

​
Use cases

The eth_callMany method is essential for applications that need to:
  • Batch read operations: Read multiple contract states in a single request
  • DeFi dashboards: Fetch multiple token balances and positions efficiently
  • Portfolio trackers: Query multiple asset positions simultaneously
  • Smart contract testing: Simulate multiple contract interactions
  • Data aggregation: Collect data from multiple sources in one call
  • Price oracles: Fetch prices from multiple oracle contracts
  • Multi-token operations: Check balances across multiple tokens
  • Protocol monitoring: Monitor multiple protocol states
  • Wallet applications: Display multiple asset balances
  • Analytics platforms: Gather multiple metrics efficiently
  • DEX interfaces: Query multiple pool states
  • Lending protocols: Check multiple collateral positions
  • Yield aggregators: Compare yields across protocols
  • NFT marketplaces: Query multiple NFT metadata
  • Governance systems: Check voting power across proposals
  • Cross-protocol queries: Interact with multiple protocols
  • Risk assessment: Evaluate multiple risk parameters
  • Audit tools: Verify multiple contract states
  • Development tools: Debug multiple contract calls
  • Integration services: Provide batched API endpoints
This method provides efficient batch execution capabilities for read-only operations on the Hyperliquid EVM platform.
The eth_callMany method executes calls sequentially in the order provided. Each call can see the state changes from previous calls in the batch, making it useful for dependent operations.

Body

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

JSON-RPC version

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

The RPC method name

Available options:
eth_callMany
​
params
array
required

Parameters: [callContextArray, blockState]

​
id
integer
default:1
required

Request identifier

Response

200 - application/json

Successful response with call results

​
jsonrpc
string

JSON-RPC version

​
id
integer

Request identifier

​
result
string[]

Array of call results

Hexadecimal result data

Last modified on October 19, 2025