> ## Documentation Index
> Fetch the complete documentation index at: https://cobo.com/products/agentic-wallet/manual/llms.txt
> Use this file to discover all available pages before exploring further.

# Supported chains

> Cobo chain IDs for all chains supported by Cobo Agentic Wallet.

Wherever a `chain_id` is required — in CLI commands, API requests, or policy rules — use the Cobo chain ID from the table below, not the public chain name.

## Mainnet

| Cobo chain ID  | Chain name        |
| -------------- | ----------------- |
| `ARBITRUM_ETH` | Arbitrum          |
| `AVAXC`        | Avalanche C-Chain |
| `BASE_ETH`     | Base              |
| `BSC_BNB`      | BNB Chain         |
| `ETH`          | Ethereum          |
| `MATIC`        | Polygon           |
| `OPT_ETH`      | Optimism          |
| `SOL`          | Solana            |
| `TEMPO_TEMPO`  | Tempo             |

## Testnet

| Cobo chain ID  | Chain name       |
| -------------- | ---------------- |
| `SETH`         | Ethereum Sepolia |
| `TBASE_SETH`   | Base Sepolia     |
| `SOLDEV_SOL`   | Solana Devnet    |
| `TTEMPO_TEMPO` | Tempo Testnet    |

To retrieve this list programmatically:

```bash theme={null}
caw meta chains
```

Or via the API: [List chains](/products/agentic-wallet/manual/reference/list-chains).