Testnet

Index OP Sepolia Testnet blockchain data with Envio

Stream historical and real-time OP Sepolia Testnet events into production-ready APIs in minutes. HyperSync, HyperRPC, and HyperIndex all support OP Sepolia Testnet out of the box.

Start indexing Read the docs

Chain ID

11155420

Native currency

Sepolia Ether (ETH)

Network type

Testnet

Block explorer

etherscan-sepolia-optimism

Official site

https://optimism.io

HyperIndexHyperSyncHyperRPC

OP Sepolia Testnet has first-class support on Envio. Stream historical and real-time data with HyperSync, query with HyperRPC, or run a full indexer with HyperIndex.

HyperSync endpoint

https://optimism-sepolia.hypersync.xyz

HyperRPC endpoint

https://optimism-sepolia.rpc.hypersync.xyz

Example HyperIndex config

name: my-indexer
networks:
  - id: optimism-sepolia
    start_block: 0
    contracts:
      - name: MyContract
        address: 0x0000000000000000000000000000000000000000
        handler: src/EventHandlers.ts
        events:
          - event: Transfer(address indexed from, address indexed to, uint256 value)

143x faster backfills

Index OP Sepolia Testnet contracts in minutes, not days. Based on the independent Sentio Uniswap V2 Factory benchmark.

Multichain native

Index OP Sepolia Testnet alongside any other EVM chain in a single indexer, all served from one API.

Reorg-resilient

Automatic reorg handling with zero downtime rollback, so your data stays consistent.