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

# Arbitrum API

> Access real-time Arbitrum token prices, trading pairs, wallet analytics, and live WebSocket subscriptions through the Codex API.

Arbitrum is the leading Ethereum L2 by TVL, known for deep DeFi liquidity and low fees. Codex provides comprehensive token, pair, and wallet data across Arbitrum's growing ecosystem, enabling you to track trading activity on one of the most active rollup networks.

## Supported Networks

| Network      | Chain ID | Status |
| ------------ | -------- | ------ |
| Arbitrum One | `42161`  | Live   |

<Tip>
  Filter queries to Arbitrum by passing `network: 42161`.
</Tip>

## Supported APIs

### Token API

* [Get Token Prices on Arbitrum](/api-reference/queries/gettokenprices) — Retrieve current USD prices for any token
* [Search and Filter Tokens on Arbitrum](/api-reference/queries/filtertokens) — Discover trending tokens, filter by liquidity, volume, and market cap
* [Get OHLCV Chart Data on Arbitrum](/api-reference/queries/gettokenbars) — Fetch candlestick price data for any token
* [Get Token Sparklines on Arbitrum](/api-reference/queries/tokensparklines) — Retrieve sparkline chart data for tokens
* [Get Top Traders for a Token on Arbitrum](/api-reference/queries/tokentoptraders) — Find the most active traders for any token

### Pair & Trading API

* [Filter Trading Pairs on Arbitrum](/api-reference/queries/filterpairs) — Search pairs by liquidity, volume, or token
* [Get Detailed Pair Stats on Arbitrum](/api-reference/queries/getdetailedpairstats) — Fetch comprehensive trading metrics for any pair
* [Get Token Events on Arbitrum](/api-reference/queries/gettokenevents) — Track buys and sells in real-time
* [List Pairs for a Token on Arbitrum](/api-reference/queries/listpairsfortoken) — Find all trading pairs for a specific token
* [Get Pair Metadata on Arbitrum](/api-reference/queries/pairmetadata) — Retrieve metadata for any trading pair

### Wallet API

* [Get Token Holders on Arbitrum](/api-reference/queries/holders) — Query token holders with balances
* [Get Top 10 Holder Concentration on Arbitrum](/api-reference/queries/top10holderspercent) — Check how concentrated a token's supply is among top holders
* [Filter Wallets on Arbitrum](/api-reference/queries/filterwallets) — Discover active traders and smart money wallets
* [Get Wallet Balances on Arbitrum](/api-reference/queries/balances) — Retrieve token balances for any wallet

### Real-time WebSocket API

* [Subscribe to Price Updates on Arbitrum](/api-reference/subscriptions/onpriceupdated) — Get real-time token price changes
* [Subscribe to Trade Events on Arbitrum](/api-reference/subscriptions/oneventscreated) — Stream live swap events for any token
* [Subscribe to Chart Updates on Arbitrum](/api-reference/subscriptions/onbarsupdated) — Get live candlestick chart data
* [Subscribe to Pair Metadata Updates on Arbitrum](/api-reference/subscriptions/onpairmetadataupdated) — Track pair metadata changes in real-time

## Try It in the Explorer

Test any Arbitrum query directly in the [Codex GraphQL Explorer](/explore).