On-chain Uniswap V3 swap quote for any token pair - estimated output amount, eff...
https://api.x402node.dev/defi/swap-quoteOverview
On-chain Uniswap V3 swap quote for any token pair - estimated output amount, effective rate and best fee tier, read directly from pools across Base/Ethereum/Arbitrum/Optimism/Polygon - real-time executable pricing agents need before swapping that LLMs cannot compute. swap quote, swap estimate, uniswap quote, token swap rate, dex quote, how much will i get
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
Base
Category
crypto/defi
Provider
x402node
Source
bazaar
Indexed
2026-06-13 19:15:46
Health
Status
healthy
Latency (p50)
430ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-02 13:33:52
Last Healthy
2026-10-02 13:33:52
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"amount": "Input amount (default 1)",
"chain": "base (default), ethereum, arbitrum, optimism, polygon",
"from": "Source format (optional)",
"to": "Target format (optional)",
"tokenIn": "Input token address (required)",
"tokenOut": "Output token address (required)"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-02 13:33:52 | healthy | 402 | 413ms | |
| 2026-10-02 08:08:12 | healthy | 402 | 421ms | |
| 2026-10-02 01:26:01 | healthy | 402 | 663ms | |
| 2026-10-01 13:01:06 | healthy | 402 | 144ms | |
| 2026-10-01 06:22:30 | healthy | 402 | 427ms | |
| 2026-10-01 00:25:19 | healthy | 402 | 1040ms | |
| 2026-09-30 18:02:56 | healthy | 402 | 437ms | |
| 2026-09-30 13:25:00 | healthy | 402 | 430ms | |
| 2026-09-30 02:58:42 | healthy | 402 | 458ms | |
| 2026-09-29 23:55:10 | healthy | 402 | 435ms | |
| 2026-09-29 15:38:17 | healthy | 402 | 427ms |