Spot token price in USD on Polygon PoS, read from QuickSwap, SushiSwap and Unisw
Spot token price in USD on Polygon PoS, read from QuickSwap, SushiSwap and Uniswap v3 pools at call time. Returns priceUsd, the routed pair, backing liquidityUsd, confidence and blockNumber. Requires ?symbol=TICKER (e.g. WMATIC) or ?token=0xADDRESS. Errors: 400 missing_symbol|unknown_token, 404 no_reliable_price when pools are too thin, 502 upstream_read_failed. Depth is /liquidity; a size-aware quote is /slippage. Chain-pinned; bare /price = BSC.
Answers HTTP 200 without x402 payment termsour last check, 2026-09-24
0 of 1checks answered this week
n/amedian answer time
$0.01listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402.donnyautomation.com/polygon/price
| Category | Market data |
|---|---|
| Provider host | x402.donnyautomation.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | no x402 terms | 200 | 4393 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"symbol": "WMATIC"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"symbol": {
"description": "Token symbol on Polygon PoS (e.g. WMATIC, WETH, WBTC, USDC, USDT, DAI, LINK).",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}