Calculate impermanent loss for any AMM LP position. Params: ?token0Price=2000&to...

Calculate impermanent loss for any AMM LP position. Params: ?token0Price=2000&token1Price=1&currentToken0Price=2500&currentToken1Price=1&initialValueUsd=10000. Returns IL%, USD impact, holding comparison, and breakeven APY.

https://httpay.xyz/api/impermanent-loss-calc

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://httpay.xyz/api/impermanent-loss-calc", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-07-10 15:10 UTC
http 402 unparsed · accepts-missing
Origin reachable2026-07-10 15:04 UTC
HEAD https://httpay.xyz/ returned 402.
Observed in cdp-bazaar2026-07-10 13:31 UTC
The registry record was observed and retained with provenance.
Observed in 402-index2026-07-10 13:31 UTC
Discovered through bazaar.
Registry record checked2026-07-07 23:26 UTC
Registry health: healthy.

EVIDENCE

cdp-bazaarobserved 2026-07-10 · https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources

402-indexobserved 2026-07-10 · https://402index.io/api/v1/services

origin checkHEAD https://httpay.xyz/ → 402 on 2026-07-10

route quoteHTTP 402 returned, but its payment requirements could not be parsed · 2026-07-10

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.

PAYMENT OPTIONS

baseexact0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913