Stablecoins and Blockchains

Use the Key value in API requests, for example "chain": "ethereum". In the Sandbox environment, transfers run on the testnet.

Blockchain	Key	Confirmations	Approx. time	Mainnet	Testnet (Sandbox)
Arbitrum	`arbitrum`	65	≈20 seconds	Arbitrum One	Arbitrum Sepolia
Avalanche	`avalanche`	1	≈2 seconds	Avalanche C-Chain	Fuji
Ethereum	`ethereum`	12	≈3 minutes	Ethereum Mainnet	Sepolia
Polygon PoS	`polygon`	50	≈2 minutes	Polygon Mainnet	Amoy
Optimism	`optimism`	65	≈20 seconds	OP Mainnet	OP Sepolia
Base	`base`	65	≈20 seconds	Base	Base Sepolia
Arc	`arc`	1	≈2 seconds	Mainnet	Testnet
Stellar	`stellar`	1	≈5 seconds	Public Network	Test Network
Solana	`solana`	1	≈5 seconds	Mainnet	Devnet

USDC is supported on all blockchains listed above.
USDT is currently supported on Ethereum only.
USDT isn't enabled by default. Ask your Account Manager to enable it for your Application. Until then, USDT quotes return error 3059.