Rate Endpoint

The Rate endpoint provides price quotes and conversion information for token swaps without executing the transaction.

Endpoint Details

Method: GET
URL: https://swap-v2.solanatracker.io/rate
Content Type: application/json

Example Request

curl --location 'https://swap-v2.solanatracker.io/rate?from=So11111111111111111111111111111111111111112&to=4k3Dyjzvzp8eMZWUXbBCjEvwSkkk59S5iCNLY3QrkX6R&amount=1&slippage=10'

Request Parameters

Parameter	Type	Required	Description
`from`	string	Yes	The base token address (e.g., SOL: `So11111111111111111111111111111111111111112`)
`to`	string	Yes	The quote token address (e.g., RAY: `4k3Dyjzvzp8eMZWUXbBCjEvwSkkk59S5iCNLY3QrkX6R`)
`amount`	number	Yes	The amount of the base token to convert
`slippage`	number	Yes	The maximum acceptable slippage percentage (e.g., `10` for 10%)

The amount parameter should be provided in the token's native units, not in lamports or smallest units.

Response Structure

{
  "amountIn": 1,
  "amountOut": 9181.330823048,
  "minAmountOut": 9089.517514818,
  "currentPrice": 9181.330823048,
  "executionPrice": 9089.517514818,
  "priceImpact": 0.0334641736518774,
  "fee": 0.01,
  "baseCurrency": {
    "decimals": 9,
    "mint": "So11111111111111111111111111111111111111112"
  },
  "quoteCurrency": {
    "decimals": 9,
    "mint": "4k3Dyjzvzp8eMZWUXbBCjEvwSkkk59S5iCNLY3QrkX6R"
  },
  "platformFee": 9000000,
  "platformFeeUI": 0.009
}

Response Fields

Field	Type	Description
`amountIn`	number	The amount of the source token used for the conversion
`amountOut`	number	The amount of the destination token that would be received
`minAmountOut`	number	The minimum amount of the destination token after applying slippage
`currentPrice`	number	The current market price for the token pair
`executionPrice`	number	The actual price at which the trade would be executed
`priceImpact`	number	The difference between market price and execution price as a fraction (0.01 = 1%)
`fee`	number	The trading fee charged for the transaction
`baseCurrency`	object	Information about the source token (decimals and mint address)
`quoteCurrency`	object	Information about the destination token (decimals and mint address)
`platformFee`	number	The fee charged by the platform in lamports (SOL's smallest unit)
`platformFeeUI`	number	The platform fee in SOL

The priceImpact field indicates how much the trade affects the market price. Higher values indicate less liquidity and potentially unfavorable trading conditions.