Transactions2 CU

eth_sendRawTransaction on Robinhood Chain

Broadcasts a pre-signed, RLP-encoded transaction. The node relays it to the mempool and returns the transaction hash. The only write method most apps need.

The node only relays — it does not execute — so a tx that will revert is still accepted and returned with a hash. Re-broadcasting returns 'already known'; to replace a stuck tx, resend the same nonce with a higher priority fee.

Robinhood Chain endpoint (public — no key)

https://rpc.nodeflare.app/robinhood/public

Method

eth_sendRawTransaction

Cost

2 CU

Chain ID

4663

Block time

~250 ms

Finality

<1 s sequencer · L1-final ~13 min

Transactions on Robinhood Chain

As an Arbitrum Orbit rollup, transactions carry an L2 execution cost plus an L1 data component; receipts include the Nitro gas fields. Sequencer confirmation is effectively instant.

Parameters

[signedTxData]

cURL

curl https://rpc.nodeflare.app/robinhood/public \
  -X POST \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_sendRawTransaction","params":["0x..."],"id":1}'

ethers.js

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider(
  'https://rpc.nodeflare.app/robinhood/public'
);

const result = await provider.send('eth_sendRawTransaction', ["0x..."]);

Try it live

Runs the example above against the public Robinhood Chain endpoint — straight from your browser.

eth_sendRawTransaction on Robinhood Chain — FAQ

How do I call eth_sendRawTransaction on Robinhood Chain?

POST a JSON-RPC 2.0 request with "method": "eth_sendRawTransaction" to NodeFlare's Robinhood Chain endpoint at https://rpc.nodeflare.app/robinhood/public. No API key is required for the public endpoint.

What does eth_sendRawTransaction cost on the free tier?

eth_sendRawTransaction is weighted at 2 compute units per call. The free tier includes 2,000,000 CU/month, so that is roughly 1,000,000 eth_sendRawTransaction calls per month — no credit card.

Is eth_sendRawTransaction available on the public Robinhood Chain endpoint?

Yes. eth_sendRawTransaction works on the public Robinhood Chain endpoint (https://rpc.nodeflare.app/robinhood/public) with no API key, rate-limited per IP. A free key adds higher limits and a dedicated path.

Anything Robinhood Chain-specific to know when using eth_sendRawTransaction?

As an Arbitrum Orbit rollup, transactions carry an L2 execution cost plus an L1 data component; receipts include the Nitro gas fields. Sequencer confirmation is effectively instant.

Call eth_sendRawTransaction on Robinhood Chain with a free key

2,000,000 compute units/month, heavy methods unlocked, every chain included. No credit card.

Get your free API key →