> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Blocks info | Arc

> Arc block JSON-RPC methods — retrieve blocks by number or hash, block headers, receipts, and transaction counts on Arc.

Retrieving block data from Arc can be done using the following methods:

<CardGroup cols={2}>
  <Card title="eth_blockNumber" icon="angle-right" iconType="solid" href="/reference/arc-eth-blocknumber" horizontal />

  <Card title="eth_getBlockByHash" icon="angle-right" iconType="solid" href="/reference/arc-eth-getblockbyhash" horizontal />

  <Card title="eth_getBlockByNumber" icon="angle-right" iconType="solid" href="/reference/arc-eth-getblockbynumber" horizontal />

  <Card title="eth_getBlockReceipts" icon="angle-right" iconType="solid" href="/reference/arc-eth-getblockreceipts" horizontal />

  <Card title="eth_getBlockTransactionCountByHash" icon="angle-right" iconType="solid" href="/reference/arc-eth-getblocktransactioncountbyhash" horizontal />

  <Card title="eth_getBlockTransactionCountByNumber" icon="angle-right" iconType="solid" href="/reference/arc-eth-getblocktransactioncountbynumber" horizontal />

  <Card title="eth_getHeaderByHash" icon="angle-right" iconType="solid" href="/reference/arc-eth-getheaderbyhash" horizontal />

  <Card title="eth_getHeaderByNumber" icon="angle-right" iconType="solid" href="/reference/arc-eth-getheaderbynumber" horizontal />

  <Card title="eth_getUncleByBlockHashAndIndex" icon="angle-right" iconType="solid" href="/reference/arc-eth-getunclebyblockhashandindex" horizontal />

  <Card title="eth_getUncleByBlockNumberAndIndex" icon="angle-right" iconType="solid" href="/reference/arc-eth-getunclebyblocknumberandindex" horizontal />

  <Card title="eth_getUncleCountByBlockHash" icon="angle-right" iconType="solid" href="/reference/arc-eth-getunclecountbyblockhash" horizontal />

  <Card title="eth_getUncleCountByBlockNumber" icon="angle-right" iconType="solid" href="/reference/arc-eth-getunclecountbyblocknumber" horizontal />
</CardGroup>