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Connect

This page consolidates the network details you need to connect to Stable.

Mainnet

FieldValue
Network NameStable Mainnet
Chain ID988
Currency SymbolUSDT0
EVM JSON-RPChttps://rpc.stable.xyz
WebSocketwss://rpc.stable.xyz
Block Explorerhttps://stablescan.xyz

Testnet

FieldValue
Network NameStable Testnet
Chain ID2201
Currency SymbolUSDT0
EVM JSON-RPChttps://rpc.testnet.stable.xyz
WebSocketwss://rpc.testnet.stable.xyz
Block Explorerhttps://testnet.stablescan.xyz

For third-party RPC providers, see RPC Providers. For a typed client that wires these endpoints in for you, see the Stable SDK.

Rate limits

The public RPC endpoints (https://rpc.stable.xyz and https://rpc.testnet.stable.xyz) are rate-limited to 1,000 requests per 10 seconds per IP. Requests over the limit return HTTP 429.

For higher throughput, use a third-party RPC provider.

Add Stable to your wallet

To add Stable manually, open your browser wallet's network settings and enter the values from the tables above. The required fields are:

  • Network Name
  • RPC URL (the EVM JSON-RPC endpoint)
  • Chain ID
  • Currency Symbol: USDT0

Verify connectivity

Confirm your RPC endpoint is reachable by querying the chain ID:

cast chain-id --rpc-url https://rpc.stable.xyz

Expected output:

988

For the testnet:

cast chain-id --rpc-url https://rpc.testnet.stable.xyz

Expected output:

2201

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