Supported Tokens and Chains - NUSDpay

The enums on this page are a static reference. The actual deposit/withdraw availability and fees per token are determined by the live can_deposit / can_withdraw values from Platform configuration /nps/configs.

Chains supported for USDT

TRON (TRON_USDT)
Ethereum (ETH_USDT)
Arbitrum (ARBITRUM_USDT)
Base (BASE_USDT)
Polygon (MATIC_USDT)
BNB Smart Chain (BSC_USDT)

[
    "TRON_USDT",
    "ETH_USDT",
    "ARBITRUM_USDT",
    "BASE_USDT",
    "MATIC_USDT",
    "BSC_USDT",
]

Chains supported for USDC

Ethereum (ETH_USDC)
Arbitrum (ARBITRUM_USDCOIN)
Base (BASE_USDC)
Polygon (MATIC_USDC2)
BNB Smart Chain (BSC_USDC)

[
    "ETH_USDC",
    "ARBITRUM_USDCOIN",
    "BASE_USDC",
    "MATIC_USDC2",
    "BSC_USDC",
]

Chains supported for NUSD

Base (BASE_NUSD)

[
    "BASE_NUSD",
]

When you receive a webhook deposit notification, check the token_id in the message. Only when the token_id is included in one of the arrays above is the deposit information valid. If the token_id does not belong to any of the three arrays above, ignore the message.

Payout Support

Deposit: The user transfers funds to an address generated by the API, and the funds enter the wallet balance. Payout: Use the API to withdraw funds from the wallet balance to a specified address.

Chain	Token	Payin	Payout	Estimated Confirmation Time
Ethereum	USDT, USDC	✅	✅	~2 minutes
Tron	USDT	✅	❌	~1 minute
Arbitrum	USDT, USDC	✅	✅	~30 seconds
Polygon	USDT, USDC	✅	✅	~30 seconds
BSC	USDT, USDC	✅	✅	~30 seconds
Base	USDT, USDC	✅	✅	~30 seconds

TRON Payout is not yet supported — The TRON network currently supports only Payin (deposit). Payout support is coming soon.

Chain Selection Suggestions

Use Case	Recommended Chain	Reason
Low-fee transactions	MATIC, BSC	Lower gas fees
High-frequency small transactions	Base, Arbitrum	L2 networks, fast confirmation
Large secure transactions	Ethereum	Most decentralized, most secure
Rich DeFi ecosystem	Ethereum, BSC	Mature application ecosystem

API Reference