# Oracle IDs

ORACLE ID helps expand.network to redirect the query or transaction to the appropriate oracle.

| Chain Name | Oracle Name | Oracle ID |
| ---------- | ----------- | --------- |
| Ethereum   | ChainLink   | 1000      |
| Arbitrum   | ChainLink   | 1001      |
| Optimism   | ChainLink   | 1002      |
| Base       | ChainLink   | 1003      |
| zkSync     | ChainLink   | 1004      |
| BSC        | Chainlink   | 1005      |
| Tron       | WinkLink    | 1100      |
| Solana     | Pyth        | 1200      |
| Ethereum   | RedStone    | 1300      |
| Arbitrum   | RedStone    | 1301      |
| Base       | RedStone    | 1302      |
| zkSync     | RedStone    | 1303      |