· Channels — how you connect

REST API

Call AlgoVault over plain HTTP, two ways. Keyless x402 pay-per-call settles USDC on Base per request — no signup, no API key. Or authenticate with an API key against the /api/* endpoints. Same composite BUY / SELL / HOLD verdicts, callable from any language, cron job, or serverless function.

When to use REST API vs the other channels

Use the REST API for HTTP access without an MCP client — a serverless function, a cron job, a non-MCP agent runtime. Keyless x402 needs no account and settles per call; API-key access suits steady volume. It is a plain request/response API, not the MCP protocol — if your framework speaks MCP, prefer the MCP server for typed tool discovery.

Connect

// npm i x402-fetch viem
import { wrapFetchWithPayment } from "x402-fetch";
import { createWalletClient, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { base } from "viem/chains";

const account = privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`);
const wallet  = createWalletClient({ account, chain: base, transport: http() });
const fetchWithPay = wrapFetchWithPayment(fetch, wallet);

// Pays automatically on the 402, then returns the verdict
const res = await fetchWithPay("https://api.algovault.com/x402/get_trade_call", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({ coin: "BTC", timeframe: "1h" }),
});

const verdict = await res.json();
console.log(verdict.call, verdict.confidence); // e.g. "BUY" 72

Tool coverage

Every publicly-listed tool reachable through REST API (equities are held from public listings):

• Trade Call
• Market Regime
• Funding Arbitrage
• Trade Call Scanner

Frequently asked questions