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Base

Base, an OP Stack rollup operated by Coinbase and settling to Ethereum. Chain ID 8453 (0x2105), fees in ETH, blocks about every 2 s. Served by op-reth (base) 0.5.1. Every example below was captured from a live response on this network.

Endpoint​

https://rpc.public.crouton.digital/mainnet/base

Public, no API key, JSON-RPC 2.0 over HTTPS. Batch requests are supported, and the endpoint sends CORS headers for any origin, so browser clients can call it directly.

curl --request POST \
  --url https://rpc.public.crouton.digital/mainnet/base \
  --header 'content-type: application/json' \
  --data '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'

The Try it console on this page calls exactly this endpoint from your browser, so every snippet it generates is the request that just ran.

Node notes
  • Receipts carry OP Stack fields — l1Fee, l1GasUsed, l1GasPrice and l1FeeScalar — describing the L1 data cost of the transaction.
  • eth_getAccount is available on this node, which is not the case on every chain here.

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