verified owner 1/1 uptime Guide x402 solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpeip155:8453eip155:137eip155:42161

Legitimate profit mechanisms in DeFi: how flash loans provide uncollateralized capital tha

Legitimate profit mechanisms in DeFi: how flash loans provide uncollateralized capital that must be borrowed and repaid within one block (reverting otherwise), with uses in DEX arbitrage, collateral swaps, and liquidations; plus lending, liquidity provision, and yield farming — framed with a risk disclaimer.

$0.01

price

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calls / 30d

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unique payers

2026-09-21

updated

Provider

Saylor Innovations Knowledge Base · verified

For agents

Capabilities: How Flash Loans & Smart Contracts Can Be Profitable — a 6-minute technical guide
License: LicenseRef-Saylor-Agent-Use-1.0

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
    "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xf8A376eBF123D7252cd7b66bcD77A727a4def22f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0xf8A376eBF123D7252cd7b66bcD77A727a4def22f",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0xf8A376eBF123D7252cd7b66bcD77A727a4def22f",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  }
]

Use it

curl

curl "https://saylorinnovations.com/api/kb?id=how-flash-loans-smart-contracts-can-be-profitable"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://saylorinnovations.com/api/kb?id=how-flash-loans-smart-contracts-can-be-profitable");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://saylorinnovations.com/api/kb?id=how-flash-loans-smart-contracts-can-be-profitable")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/how-flash-loans-smart-contracts-can-be-profitable.json, and this resource appears in /discovery/resources and /discovery/search.