Swap Quotes

getUniswapV2Quote

Gets a swap quote from the Uniswap V2 Router02 contract using getAmountsOut (constant-product x*y=k AMM). On-chain read - no transaction needed. Router02 only deployed on Ethereum.

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \

{
  "jsonrpc": "2.0",
  "method": "getUniswapV2Quote",
  "params": {
    "chain": "ethereum",
    "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1.0"
  },
  "id": 1
}

Parameters

Name	Required	Description
chain	yes	Network slug
tokenIn	yes	Input token contract address e.g. 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
tokenOut	yes	Output token contract address e.g. 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
amount	yes	Input amount (human-readable, e.g. "1.0") e.g. 1.0

Response Fields

Field	Type
`data`	object
`chain`	string
`tokenIn`	string
`tokenOut`	string
`amountIn`	string
`amountOut`	string

Supported Networks

Ethereum

Try It

Base URL

Chain

tokenIn *

tokenOut *

amount *

JSON-RPC Body

{
  "jsonrpc": "2.0",
  "method": "getUniswapV2Quote",
  "params": {
    "chain": "ethereum",
    "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1.0"
  },
  "id": 1
}

getUniswapV3Quote

Gets an exact-input swap quote from the Uniswap V3 QuoterV2 contract. On-chain read - no transaction needed.

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \

{
  "jsonrpc": "2.0",
  "method": "getUniswapV3Quote",
  "params": {
    "chain": "ethereum",
    "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1.0",
    "fee": 3000,
    "blockHeight": 19834521
  },
  "id": 1
}

Parameters

Name	Required	Description
chain	yes	Network slug
tokenIn	yes	Input token contract address e.g. 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
tokenOut	yes	Output token contract address e.g. 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
amount	yes	Input amount (human-readable, e.g. "1.0") e.g. 1.0
fee	no	Pool fee tier in bps Options: 500, 3000, 10000
blockHeight	no	Historical EVM block number (archive nodes only) e.g. 19834521

Response Fields

Field	Type
`data`	object
`chain`	string
`tokenIn`	string
`tokenOut`	string
`amountIn`	string
`amountOut`	string
`fee`	integer
`blockHeight`	integer
`gasEstimate`	string

Supported Networks

EthereumPolygonArbitrumOptimismBaseBNB ChainAvalanche

Try It

Base URL

Chain

tokenIn *

tokenOut *

amount *

fee

blockHeight

JSON-RPC Body

{
  "jsonrpc": "2.0",
  "method": "getUniswapV3Quote",
  "params": {
    "chain": "ethereum",
    "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1.0",
    "fee": 3000,
    "blockHeight": 19834521
  },
  "id": 1
}

getUniswapV4Quote

Gets a swap quote from the Uniswap V4 Quoter contract (singleton PoolManager architecture with hooks). On-chain read via staticCall.

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \

{
  "jsonrpc": "2.0",
  "method": "getUniswapV4Quote",
  "params": {
    "chain": "ethereum",
    "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1.0",
    "fee": 3000,
    "tickSpacing": 60,
    "blockHeight": 19834521
  },
  "id": 1
}

Parameters

Name	Required	Description
chain	yes	Network slug
tokenIn	yes	Input token contract address e.g. 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
tokenOut	yes	Output token contract address e.g. 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
amount	yes	Input amount (human-readable, e.g. "1.0") e.g. 1.0
fee	no	Pool fee in bps (default 3000) e.g. 3000
tickSpacing	no	Tick spacing (default 60) e.g. 60
blockHeight	no	Historical EVM block number (archive nodes only) e.g. 19834521

Response Fields

Field	Type
`data`	object
`chain`	string
`tokenIn`	string
`tokenOut`	string
`amountIn`	string
`amountOut`	string
`fee`	integer
`tickSpacing`	integer
`blockHeight`	integer
`gasEstimate`	string

Supported Networks

EthereumOptimismBaseArbitrumPolygonBNB ChainAvalanche

Try It

Base URL

Chain

tokenIn *

tokenOut *

amount *

fee

tickSpacing

blockHeight

JSON-RPC Body

{
  "jsonrpc": "2.0",
  "method": "getUniswapV4Quote",
  "params": {
    "chain": "ethereum",
    "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "tokenOut": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1.0",
    "fee": 3000,
    "tickSpacing": 60,
    "blockHeight": 19834521
  },
  "id": 1
}

Endpoint "defi-uniswap-v3-token" not found

getJupiterQuote

Gets a swap quote from the Jupiter aggregator for Solana SPL tokens. Returns route plan, price impact, and output amount. Chain is fixed to Solana.

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \

{
  "jsonrpc": "2.0",
  "method": "getJupiterQuote",
  "params": {
    "inputMint": "So11111111111111111111111111111111111111112",
    "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000000000",
    "slippageBps": 50
  },
  "id": 1
}

Parameters

Name	Required	Description
inputMint	yes	Input SPL token mint address e.g. So11111111111111111111111111111111111111112
outputMint	yes	Output SPL token mint address e.g. EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
amount	yes	Input amount in raw units (lamports) e.g. 1000000000
slippageBps	no	Slippage tolerance in bps (default 50) e.g. 50

Response Fields

Field	Type
`data`	object
`inputMint`	string
`outputMint`	string
`amountIn`	string
`amountOut`	string
`priceImpactPct`	string
`routePlan`	object[]
`swapInfo`	object
`ammKey`	string
`label`	string
`inputMint`	string
`outputMint`	string
`percent`	integer

Supported Networks

Solana

Try It

Base URL

inputMint *

outputMint *

amount *

slippageBps

JSON-RPC Body

{
  "jsonrpc": "2.0",
  "method": "getJupiterQuote",
  "params": {
    "inputMint": "So11111111111111111111111111111111111111112",
    "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000000000",
    "slippageBps": 50
  },
  "id": 1
}

getJupiterPrice

Gets the current price of a Solana token by quoting 1 unit against a reference token (e.g. USDC). Derived from Jupiter quote API. Chain is fixed to Solana.

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \

{
  "jsonrpc": "2.0",
  "method": "getJupiterPrice",
  "params": {
    "inputMint": "So11111111111111111111111111111111111111112",
    "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
  },
  "id": 1
}

Parameters

Name	Required	Description
inputMint	yes	Token mint to price e.g. So11111111111111111111111111111111111111112
outputMint	yes	Reference token mint (e.g. USDC) e.g. EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v

Response Fields

Field	Type
`data`	object
`price`	number

Supported Networks

Solana

Try It

Base URL

inputMint *

outputMint *

JSON-RPC Body

{
  "jsonrpc": "2.0",
  "method": "getJupiterPrice",
  "params": {
    "inputMint": "So11111111111111111111111111111111111111112",
    "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
  },
  "id": 1
}