Supported Chains
Opsion monitors EVM-compatible networks, Solana, and XRP Ledger. Use the identifiers below in API requests and wallet configuration.
EVM mainnets
| Network | Identifier | Chain ID |
|---|---|---|
| Ethereum | ethereum | 1 |
| Base | base | 8453 |
| Arbitrum | arbitrum | 42161 |
| Polygon | polygon | 137 |
| Optimism | optimism | 10 |
| BNB Chain | bsc | 56 |
Non-EVM networks
| Network | Identifier | Address format |
|---|---|---|
| Solana | solana | Base58 public key (32–44 chars) |
| XRP Ledger | xrp | Base58Check — starts with r |
Testnets
| Network | Identifier |
|---|---|
| Ethereum Sepolia | ethereum_sepolia |
| Base Sepolia | base_sepolia |
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Testnet monitoring is available on all paid plans.