# RPC Calls (/docs/unichain/technical-information/rpc-calls)

Review supported and unsupported JSON-RPC methods on Unichain public RPC endpoints.

## Supported RPC Calls on Unichain Public RPCs
The Unichain Public RPCs support a subset of the standard Ethereum JSON-RPC API methods.

| **RPC Method**              | **Description**                                                                            |
| --------------------------- | ------------------------------------------------------------------------------------------ |
| `eth_chainId`               | Returns the currently configured chain ID                                                  |
| `eth_blockNumber`           | Returns the number of the most recent block                                                |
| `eth_getBlockByNumber`      | Returns information about a block by block number                                          |
| `eth_getBlockByHash`        | Returns information about a block by block hash                                            |
| `eth_getTransactionByHash`  | Returns the information about a transaction by hash                                        |
| `eth_getTransactionReceipt` | Returns the receipt of a transaction by transaction hash                                   |
| `eth_getBalance`            | Returns the balance of an account at a given block number                                  |
| `eth_getCode`               | Returns the code at a given address                                                        |
| `eth_getStorageAt`          | Returns the value from a storage position at a given address                               |
| `eth_call`                  | Executes a new message call immediately without creating an onchain transaction            |
| `eth_estimateGas`           | Estimates the gas necessary to complete a transaction without creating one                 |
| `eth_gasPrice`              | Returns the current price per gas in wei                                                   |
| `eth_feeHistory`            | Returns historical gas fee data                                                            |
| `eth_getLogs`               | Returns an array of all logs matching a given filter object                                |
| `eth_maxPriorityFeePerGas`  | Returns the max priority fee per gas for the latest block                                  |
| `eth_getProof`              | Returns the account and storage values of the specified account including the Merkle proof |
| `eth_getTransactionCount`   | Returns the number of transactions sent from an address                                    |
| `eth_accounts`              | Returns a list of addresses owned by the client                                            |
| `eth_getBlockReceipts`      | Returns the receipts of a block by block hash or number                                    |
| `eth_sendRawTransaction`    | Submits a pre-signed transaction for broadcast to the Ethereum network                     |

## Unsupported RPC Calls on Unichain Public RPCs
The Unichain Public RPCs do not support the following Ethereum JSON-RPC API methods:

| **RPC Method**                            | **Description**                                                                                      |
| ----------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| `eth_blobBaseFee`                         | Returns the base fee per blob gas in wei                                                             |
| `eth_getBlockTransactionCountByNumber`    | Returns the number of transactions in the block with the given block number                          |
| `eth_getBlockTransactionCountByHash`      | Returns the number of transactions in the block with the given block hash                            |
| `eth_getUncleCountByBlockNumber`          | Returns the number of uncles in a block from a block matching the given block number                 |
| `eth_getUncleCountByBlockHash`            | Returns the number of uncles in a block from a block matching the given block hash                   |
| `eth_getTransactionByBlockNumberAndIndex` | Returns the information about a transaction by block number and transaction index position           |
| `eth_getTransactionByBlockHashAndIndex`   | Returns the information about a transaction by block hash and transaction index position             |
| `eth_getUncleByBlockNumberAndIndex`       | Returns information about an uncle of a block by number and uncle index position                     |
| `eth_getUncleByBlockHashAndIndex`         | Returns information about an uncle of a block by hash and uncle index position                       |
| `eth_syncing`                             | Returns an object with data about the sync status or false                                           |
| `eth_mining`                              | Returns whether the client is actively mining new blocks                                             |
| `eth_hashrate`                            | Returns the number of hashes per second that the node is mining with                                 |
| `eth_subscribe`                           | Creates a new subscription for particular events                                                     |
| `eth_getWork`                             | Returns the hash of the current block, the seedHash, and the boundary condition to be met ("target") |