x402 API
Protocol or chain TVL from DefiLlama. Pay with USDC via HTTP 402. Syra machine money for agents.
/defillama/tvl
x402
Price: $0.001 USD per successful paid call (catalog hint; runtime 402 is authoritative)
Base URL: https://api.syraa.fun
Total value locked for a DeFi protocol or blockchain from DefiLlama. Use when an agent assesses protocol scale, chain dominance, or macro DeFi health. Inputs: protocol (slug e.g. aave) OR chain (e.g. Solana, Ethereum). Returns currentTvlUsd, tvlHistory summary, name, category, chains[] when protocol.
This is a pay-per-call route: unpaid requests return HTTP 402 until you settle USDC and retry with PAYMENT-SIGNATURE or X-PAYMENT. See x402 wire format.
import { createSyraPaidClient } from "@syra-ai/sdk";
const client = createSyraPaidClient({
// funds USDC on Solana/Base; auto-pays HTTP 402
});
const res = await client.fetch("https://api.syraa.fun/defillama/tvl", {
method: "GET",
});
console.log(await res.json());