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Stable is an EVM-compatible Layer 1 where USDT0 is the native gas token. Most Ethereum tools, libraries, and contract patterns work without modification — you connect by pointing your RPC to Stable and switching the chain ID. This section covers what you need to integrate.

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Connect and fund

Connect

Mainnet and testnet chain IDs, RPC endpoints, block explorers.

Fund your testnet wallet

Get testnet USDT0 via the faucet or bridge from Sepolia.

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Build with USDT0

Send your first USDT0

Native and ERC-20 transfers with TypeScript examples.

USDT0 behavior on Stable

Dual-role balance reconciliation, contract design requirements, migration checklist.

Differences from Ethereum

Single-slot finality, USDT0 gas, no priority tips.

Zero-gas transactions

Gas Waiver integration via the Waiver Server API.

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Payments

ERC-3009

Transfer With Authorization — the on-chain settlement primitive.

x402

HTTP-native payments with no accounts or API keys.

P2P payments

Native and ERC-3009 delegated transfers.

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Ecosystem

Providers and infrastructure already live on Stable — bridges, oracles, RPCs, wallets, custody, and more. Browse the Ecosystem section for the full list.
Last modified on April 16, 2026