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

# X-Chain

> Supported JSON-RPC methods for Avalanche mainnet and fuji testnet.

Exchange Chain (X-Chain):

The X-chain is used for sending and receiving funds, however, it is not used for Defi platforms. Also, note that x-chain cannot be used with MetaMask or similar wallets. Your X-chain address is accessed from the Avalanche web wallet, and you get a new address after every deposit (note that your old addresses remain valid too). The format is different from Ethereum-style 0x addresses and begins with an "X-avax".

The trailing endpoint for X-Chain calls is:

```
To interact with X-Chain via the JSON-RPC endpoint:
 /ext/bc/X

To interact with other instances of the EVM via the JSON-RPC endpoint:
/ext/bc/blockchainID/rpc

(where "blockchainID" is the ID of the EVM chain)
```


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