Arbitrum RPC EndpointsPublic Node

Chain ID

42161

0xa4b1

Native Currency:

ETH

HTTPS Endpoint

https://arbitrum-one.rpc.sentio.xyz

WSS Endpoint

wss://arbitrum-one.rpc.sentio.xyz

Code Snippet

Curl

Copy Code

curl "https://arbitrum-one.rpc.sentio.xyz" \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'

Sentio Processor

Scaffold, configure, and deploy a Sentio processor to start indexing real-time on-chain events.

$ npx @sentio/cli@latest create sample-name --chain-type eth --chain-id 42161

$ cd sample-name

$ npx @sentio/cli@latest upload

Build real-time indexers and event processors for Arbitrum data using TypeScript

Subgraph

Scaffold and deploy a Subgraph to index on-chain data and expose a queryable GraphQL API.

$ npx @sentio/cli@latest graph create --project-name=sample-name --chain-id 42161

$ cd sample-name

$ npx @sentio/cli@latest graph deploy --owner=<owner> --name=<name>

Index blockchain data and create custom GraphQL APIs

Chain Data in SQL

Query Arbitrum blockchain data using SQL. Access blocks, transactions, logs, and more through a PostgreSQL-compatible interface.