DeFi protocol profile

Profile of one DeFi protocol by DefiLlama slug (aave-v3, uniswap-v3, lido, morpho-v1...): TVL rank among all protocols, category, chains, current TVL by chain (borrowed/staking/pool2 reported separately, never summed into TVL), 1h/1d/7d TVL change, market cap and mcap/TVL, token symbol + address, website, X handle, audit count/links, listing date and parent protocol. Unknown slugs answer 422 with up to 5 name suggestions. Served from the cached protocol list (no per-protocol history fetch; use defi-tvl for a protocol's full TVL history). Keyless public data.

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Input

Example output

{
  "source": "defillama-protocols",
  "fetchedAt": "2026-08-22T12:00:00.000Z",
  "cached": true,
  "protocol": {
    "rank": 3,
    "name": "Aave V3",
    "slug": "aave-v3",
    "category": "Lending",
    "chains": [
      "Ethereum",
      "Base"
    ],
    "chainCount": 21,
    "tvlUsd": 17023522168,
    "change1hPct": 0.02,
    "change1dPct": 0.8,
    "change7dPct": 2.4,
    "mcapUsd": 3200000000,
    "mcapTvl": 0.188,
    "symbol": "AAVE",
    "address": "0x7fc66500c84a76ad7e9c93437bfc5ac33e2ddae9",
    "geckoId": null,
    "url": "https://aave.com",
    "twitter": "aave",
    "audits": 2,
    "auditLinks": [
      "https://aave.com/security"
    ],
    "listedAt": "2022-04-01",
    "parentProtocol": "aave",
    "description": "Earn interest, borrow assets, and build applications",
    "logo": "https://icons.llamao.fi/icons/protocols/aave-v3",
    "chainTvls": [
      {
        "chain": "Ethereum",
        "tvlUsd": 12000000000
      }
    ],
    "borrowedUsd": 9000000000,
    "stakingUsd": null,
    "pool2Usd": null
  }
}

Try it - see the 402 challenge (free)

curl -i -X POST https://agent402.tools/api/defi-protocol \
  -H "Content-Type: application/json" \
  -d '{"protocol":"aave-v3"}'

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/defi-protocol", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "protocol": "aave-v3"
  }),
});

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