Uniswap V3 swap quote for any token pair on Ethereum, Base, Arbitrum, Optimism o
Uniswap V3 swap quote for any token pair on Ethereum, Base, Arbitrum, Optimism or Polygon: best fee tier or WETH hop, output amount, price impact and gas.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
296 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/dex/quote
| Category | Market data |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.01 | 296 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"amount_in": "1000",
"chain": "ethereum",
"token_in": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
"token_out": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"amount_in": {
"description": "amount of token_in as a decimal number (for example 1000 for 1000 USDC)",
"type": "string"
},
"chain": {
"description": "ethereum, base, arbitrum, optimism or polygon",
"type": "string"
},
"token_in": {
"description": "address of the token you sell",
"type": "string"
},
"token_out": {
"description": "address of the token you buy",
"type": "string"
}
},
"required": [
"chain",
"token_in",
"token_out",
"amount_in"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alternatives": {
"type": "array"
},
"amount_in": {
"description": "Amount, in inches",
"type": "string"
},
"best": {
"type": "object"
},
"chain": {
"description": "Blockchain the data is for",
"type": "string"
},
"dex": {
"type": "string"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"quoted_at_block": {
"description": "Quoted at block",
"type": [
"number",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"token_in": {
"description": "Token, in inches",
"type": "object"
},
"token_out": {
"description": "Token out",
"type": "object"
}
},
"required": [
"chain",
"dex",
"token_in",
"token_out",
"amount_in",
"best",
"alternatives",
"note",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}