Price Impact

Estimates price impact and slippage for a DEX swap before you submit it on-chain.

Overview

Estimates price impact and slippage for a DEX swap before you submit it on-chain. For a (from_token, to_token, chain), pulls aggregator quotes (LlamaSwap meta-aggregator, free public) at multiple USD sizes and reports per-size effective price + slippage versus the smallest size. Use it as a slippage estimator, swap-size impact check, size-keyed quote, or depth simulation to size a fill.

Endpoint

Method	Endpoint	Price	Description
POST	/v1/marketplace/api/price-impact	$0.00575	Invoke Price Impact (Blockchain) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i -X POST https://api.jarvisclaw.ai/v1/marketplace/api/price-impact \
  -H 'Content-Type: application/json' \
  -d '{}'

# 2. Pay it (the SDK signs and retries for you)
curl -X POST https://api.jarvisclaw.ai/v1/marketplace/api/price-impact \
  -H 'Content-Type: application/json' \
  -H 'X-PAYMENT: <signed-payload>' \
  -d '{}'

Open in the marketplace