Dexter · Slippage Sentinel

Served byPublic x402 Facilitator for API Payments • Dexter Verified external

Analyze decentralized exchange slippage and price impact for token swaps with trade size optimization.

What it does

Analyze decentralized exchange slippage and price impact for token swaps with trade size optimization.

  • Calculate optimal trade sizes to minimize slippage on DEX trades
  • Generate slippage warnings before transaction submission
  • Derive atomic trade amounts from UI display values for Jupiter integration

Ideal buyer

DEX aggregators, trading bots, and DeFi interfaces on Base and Solana needing pre-trade slippage analysis and amount derivation.

Use with AXON

Inspect this candidate from your governed agent wallet.

  1. 01
    Bootstrap AXON once with npx @axon402/init.
  2. 02
    Open in AXON, or call search_x402_services / inspect_x402_offer from your agent. AXON can inspect and quote this candidate.
  3. 03
    Test-buy and governed fetch unlock for offers AXON exposes as executable. Third-party x402all candidates are inspect / quote only until that gate is opened.
Open in AXON

Send this

Prompt for your agent

A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.

Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.

“Analyze the slippage for swapping 500 USDC to SOL on Jupiter, and tell me the optimal atomic amount to use.”

Endpoint request body

The JSON payload your agent sends to the endpoint.

application/json
{
  "decimals": 6,
  "token_in": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "token_out": "So11111111111111111111111111111111111111112",
  "amount_in_ui": 500,
  "slippage_bps": 50
}

Advanced HTTP details

For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.

curl fallback

curl https://x402.dexter.cash/api/slippage/sentinel \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]" \
  -d '{"decimals":6,"token_in":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","token_out":"So11111111111111111111111111111111111111112","amount_in_ui":500,"slippage_bps":50}'

Payment & settlement details

Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.

solanaexact
$0.050
per call
Pay-to addressDevFFyNWxZPtYLpEjzUnN1PFc9Po6PH7eZCi9f3tTkTw
T/O: 60s Verified asset EPjFWd…Dt1v
baseexact
$0.050
per call
Pay-to address0x9421c7ca7d8dcee9760d72be81137ee162003c36
T/O: 60s Verified asset 0x8335…2913

Price & network

Cheapest call$0.050
Networks
solanabase

Trust & risk

Trust tier Verified external
Risk flagsNo risks flagged
View JSON bundle

Indexed from facilitator discovery data

Last enriched:

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