DeFi chain TVL history

Daily TVL history for one chain (Ethereum, Base, Solana, Arbitrum...) or for all of DeFi (chain "all") from DefiLlama's free historical chain TVL endpoint: most recent `days` points (default 90, max 3650) as date + TVL in USD, with a summary (latest, first, min, max, mean, change over the window). Unknown chains answer 422. Keyless public data.

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Input

Example output

{
  "source": "defillama-chain-tvl",
  "fetchedAt": "2026-08-22T12:00:00.000Z",
  "chain": "Base",
  "totalPoints": 1165,
  "count": 2,
  "summary": {
    "latest": 5432285625,
    "first": 5242607753,
    "min": 5242607753,
    "max": 5432285625,
    "mean": 5337446689,
    "changePct": 3.6
  },
  "points": [
    {
      "date": "2026-08-21",
      "tvlUsd": 5242607753
    },
    {
      "date": "2026-08-22",
      "tvlUsd": 5432285625
    }
  ]
}

Try it - see the 402 challenge (free)

curl -i -X POST https://agent402.tools/api/defi-chain-tvl-history \
  -H "Content-Type: application/json" \
  -d '{"chain":"Base","days":7}'

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-chain-tvl-history", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "chain": "Base",
    "days": 7
  }),
});

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