Spot price of a token pair read directly from the deepest Uniswap v3 pool on Eth...
https://bess-x402.onrender.com/v1/evm/uniswap-priceOverview
Spot price of a token pair read directly from the deepest Uniswap v3 pool on Ethereum, Base, Arbitrum, Optimism or Polygon: price, inverse, fee tier, tick and liquidity. Tokens by symbol or address.
Protocol
x402
Price
$0.0020
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/defi
Provider
Uniswap v3 On-Chain Price
Source
bazaar
Indexed
2026-10-26 02:40:27
Health
Status
healthy
Latency (p50)
305ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-10-30 15:20:42
Last Healthy
2026-10-30 15:20:42
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"chain": "ethereum",
"token_in": "WETH",
"token_out": "USDC"
},
"type": "http"
}
Output Schema
{
"example": {
"chain": "ethereum",
"fee_pct": 0.3,
"fee_tier": 3000,
"inverse": 0.00043319481808316396,
"note": "Spot price from the pool's current sqrtPriceX96; large trades move it (see slippage).",
"pool": "0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8",
"pool_liquidity": 2831057136618513000,
"pools_checked": [
{
"fee_tier": 100,
"liquidity": 611043658595866900,
"pool": "0xe0554a476a092703abdb3ef35c80e0d76d32939f"
},
{
"fee_tier": 500,
"liquidity": 1887762449023572000,
"pool": "0x88e6a0c2ddd26feeb64f039a2c41296fcb3f5640"
}
],
"price": 2308.430198738023,
"source": "Uniswap v3 contracts via public RPC",
"tick": 198876,
"token_in": "WETH",
"token_out": "USDC"
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-30 15:20:42 | healthy | 402 | 1033ms | |
| 2026-10-30 14:21:33 | healthy | 402 | 299ms | |
| 2026-10-30 13:23:37 | healthy | 402 | 416ms | |
| 2026-10-30 12:20:50 | healthy | 402 | 272ms | |
| 2026-10-30 11:21:17 | healthy | 402 | 255ms | |
| 2026-10-30 10:22:28 | healthy | 402 | 229ms | |
| 2026-10-30 09:22:03 | healthy | 402 | 295ms | |
| 2026-10-30 08:16:44 | healthy | 402 | 369ms | |
| 2026-10-30 07:19:42 | healthy | 402 | 233ms | |
| 2026-10-30 06:21:02 | healthy | 402 | 537ms | |
| 2026-10-30 05:17:50 | healthy | 402 | 399ms | |
| 2026-10-30 04:16:29 | healthy | 402 | 266ms | |
| 2026-10-30 03:27:30 | healthy | 402 | 371ms | |
| 2026-10-30 02:17:49 | healthy | 402 | 306ms | |
| 2026-10-30 01:20:01 | healthy | 402 | 305ms | |
| 2026-10-30 00:17:32 | healthy | 402 | 288ms | |
| 2026-10-29 23:13:45 | healthy | 402 | 266ms | |
| 2026-10-29 22:15:41 | healthy | 402 | 239ms | |
| 2026-10-29 21:13:08 | healthy | 402 | 367ms | |
| 2026-10-29 20:12:13 | healthy | 402 | 326ms |