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

# OP Mainnet

> OP Mainnet — The Blockchain Library

# OP Mainnet

OP Mainnet — The Blockchain Library

## Endpoint details

* **Network:** OP Mainnet
* **Chain ID:** 10

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**Canonical knowledge ID:** `infrastructure:chainlist-optimism-optimism-api-onfinality-io`