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TapRails supports regulated, fully backed stablecoins to provide price stability and predictable settlement for merchants and customers.

Token Contract Addresses

The table below lists all supported tokens and their verified smart contract addresses on active networks.

Base Mainnet (8453)

Base Sepolia Testnet (84532)


Currency Engine & Settlement

Automated Price Normalization: All transaction amounts passed into the TapRails SDK (e.g. amount: "25.50") are automatically converted to fixed-point 6-decimal integers by the TapRails SDK before signing and broadcasting.

Stablecoin Issuers

  • Circle (USDC & EURC): Fully reserved, 1:1 fiat-backed stablecoins with monthly attestation reports published by independent accounting firms.
  • Tether (USDT): Planned support for upcoming multichain rollouts.

Next Steps

Supported Blockchains

Review supported blockchain networks and Layer 2 rails.

Payment Modes

Learn how POOL and SESSION_KEY handle stablecoin transfers.