Introduction
RamenFi API Reference
RamenFi is a decentralized exchange (DEX) built on Push Chain (Donut Testnet). It provides concentrated liquidity pools in the style of Uniswap V3, with first-class support for cross-chain token swaps powered by the Push Chain bridge.
The RamenFi REST API lets developers integrate token swaps, liquidity management, and portfolio queries directly into their applications without needing to interact with smart contracts manually.
Key Features
- ▸Cross-chain swaps — move tokens between Ethereum, Arbitrum, Base, BNB Chain, Solana, and Push Chain in a single user action
- ▸Concentrated liquidity — Uniswap V3-style tick-range positions with fee tiers of 0.01%, 0.05%, 0.3%, and 1%
- ▸Quote & Swap separation — get a price quote first, then build transaction calldata with full slippage control
- ▸Transaction step builder — API returns ready-to-execute transaction steps; your app just signs and sends them
- ▸Portfolio endpoints — query positions and full transaction history for any wallet
Supported Networks
| Network | Chain ID | Role |
|---|---|---|
| Push Chain (Donut Testnet) | eip155:42101 | Execution chain — all swaps settle here |
| Ethereum Sepolia | eip155:11155111 | Source / destination for cross-chain |
| Arbitrum Sepolia | eip155:421614 | Source / destination for cross-chain |
| Base Sepolia | eip155:84532 | Source / destination for cross-chain |
| BNB Chain Testnet | eip155:97 | Source / destination for cross-chain |
| Solana Devnet | solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1 | Source / destination for cross-chain |
