· gateio integration

AlgoVault has 91.8%+ PFE Win Rate across 388,981+ signal calls, each Merkle-anchored on Base L2 (verifiable at ).

AlgoVault × Gate.io — Build Verifiable AI Trading Agents

AlgoVault MCP gives your agent a composite verdict in one call — direction, confidence, regime, and cross-venue funding/sentiment context — backed by a publicly auditable record anchored to Base L2. Pair it with Gate.io’s futures testnet and your agent has both the analytics brain and the execution venue.

Provenance: OFFICIAL gate-api — 7.2.100 on both PyPI and npm, published 2026-06-25 from Gate’s verified gate organisation. Demo execution targets the Gate futures testnet at https://api-testnet.gateapi.io/api/v4 (see the host note below) with GATEIO_TESTNET=true + MAINNET_BLOCKED=true wrapper guards. Verified 2026-07-21.

⚠️ Use this testnet host — the SDK’s default no longer answers

This is the one thing to get right before writing any code.

Gate has moved its futures testnet to https://api-testnet.gateapi.io. The older host, fx-api-testnet.gateio.ws, still resolves and still terminates TLS but returns HTTP 502 on every market-data read — verified continuously across two days and two networks on 2026-07-21.

The catch: gate-api 7.2.100 still ships the old host as its default. Both the Python and Go SDKs list fx-api-testnet.gateio.ws in their host settings, and Gate has published no migration notice — so if you construct the client and accept its defaults, every testnet call fails with a 502 that looks like an outage rather than a misconfiguration.

Set the base URL explicitly:

import gate_api
cfg = gate_api.Configuration(
    host="https://api-testnet.gateapi.io/api/v4",   # NOT the SDK default
    key=GATE_TESTNET_KEY, secret=GATE_TESTNET_SECRET,
)

Gate’s own current tooling (gate-cli, gate-mcp) and ccxt both point at the new host, which is what this tutorial follows. Treat the host as a value to verify, not a constant — re-probe it before you rely on it in anything long-lived.

What you’ll build (90s read)

A runnable Node.js agent that:

  1. Calls AlgoVault MCP for a composite verdict on a chosen asset + timeframe.
  2. Reads the verdict’s call, confidence, regime, and reasoning fields.
  3. Converts a coin-denominated position size into Gate contracts and builds the order the verdict implies, running against Gate’s futures testnet.

The whole loop runs against Gate’s testnet — zero real-money risk in any code path.

Prerequisites (4 items)

  1. Node.js ≥ 22 (node --version to check).
  2. AlgoVault skills plugin installed:
    claude plugin install AlgoVaultLabs/algovault-skills
  3. Nothing else for the demo. It is keyless — Gate’s testnet market-data endpoints need no credentials.
  4. For actual order submission only, testnet API credentials (minted separately from your mainnet keys, in the testnet console) plus the official SDK:
    pip install gate-api        # or: npm install gate-api

Demo: Contracts-aware sizing on BTC (≤80 lines)

// examples/gateio/demo.mjs (excerpt — see file for full source)
import { getAlgoVaultVerdict } from '../_shared/algovault-helper.mjs';

const MAINNET_BLOCKED = true;
const GATE_TESTNET_BASE = 'https://api-testnet.gateapi.io/api/v4';

if (process.env.GATEIO_TESTNET !== 'true') {
  throw new Error('GATEIO_TESTNET=true required — demo refuses to run against mainnet.');
}

// Gate sizes futures in CONTRACTS, not coins. Read the multiplier, don't assume it.
const c = await fetch(`${GATE_TESTNET_BASE}/futures/usdt/contracts/BTC_USDT`).then(r => r.json());
const contracts = Math.max(1, Math.round(TARGET_BTC / Number(c.quanto_multiplier)));

const verdict = await getAlgoVaultVerdict({ coin: 'BTC', timeframe: '1h' });

if (verdict.call === 'BUY' && verdict.confidence > 70) {
  const order = { contract: 'BTC_USDT', size: contracts, price: '0', tif: 'ioc' };
  console.log(JSON.stringify(order, null, 2)); // printed, NOT signed or sent
}

Run it:

GATEIO_TESTNET=true node examples/gateio/demo.mjs

Expected output (last 3 lines):

[gate testnet | BTC_USDT quanto_multiplier=0.0001 → 0.001 BTC = 10 contracts]
[gate] would submit: POST https://api-testnet.gateapi.io/api/v4/futures/usdt/orders
[gate] order printed above — NOT signed, NOT sent. Demo complete.

Walkthrough (line-by-line — neutral narration)

The script does three things in order:

  1. Resolve contract sizing. It reads quanto_multiplier from the single-contract endpoint and converts the target coin quantity into an integer contract count. This step comes first because it is the one most likely to be silently wrong — see Recipe 1.

  2. Fetch the AlgoVault verdict. The helper opens an MCP session against https://api.algovault.com/mcp, calls get_trade_call with {coin, timeframe}, and returns the parsed call / confidence / regime / reasoning payload. Free tier covers up to 20 calls/day per IP — plenty for development.

  3. Apply the agent’s policy and build the order. When the verdict satisfies a pre-configured policy (e.g. the agent’s policy fires when confidence > 70 AND call === 'BUY'), the script assembles the Gate order body and prints it. The policy lives entirely in your code — AlgoVault returns the analytics; the agent decides. The script aborts immediately if GATEIO_TESTNET is not set, and refuses to run if the base URL is not the testnet host.

3 Recipes

Recipe 1 — Size in contracts, never in coins

This is the single most common way to get a Gate futures order wrong. size is a contract count, not a coin quantity, and the conversion factor is per-contract: quanto_multiplier for BTC_USDT is 0.0001, so 0.001 BTC is 10 contracts, not 0.001. Passing a coin amount straight through either rounds to zero and gets rejected, or — if the multiplier is small — silently opens a position orders of magnitude off your intent.

Always read the multiplier from GET /futures/{settle}/contracts/{contract} rather than hardcoding it; it differs per contract and Gate can change it.

Recipe 2 — Direction is the sign of size

Gate does not take a side field on futures orders. A positive size is long, a negative size is short. To close a position, send size: 0 with close: true (single-position mode), or size: 0 with auto_size and reduce_only: true in dual/hedge mode. In hedge mode with reduce_only, the polarity inverts meaning — a positive size reduces a short. Encode this once in a helper and unit-test it; it is easy to invert under pressure.

Recipe 3 — Get the signature right the first time

Gate’s futures API signs with HMAC-SHA512, not SHA256, and the payload is five newline-joined fields:

METHOD \n URL_PATH \n QUERY_STRING \n SHA512_HEX(body) \n TIMESTAMP

Three details cause most failures. The body is hashed even when empty — omit that line and every signature is wrong. The Timestamp header is in seconds, while the optional x-gate-exptime header is in milliseconds — mixed units inside one API. And the headers are KEY / Timestamp / SIGN, not the X--prefixed names other venues use.

⚠️ Production setup (real-money)

The demo above runs on testnet only. Real-money setup requires:

  • KYC completion on Gate.io, and confirming the service is available in your jurisdiction.
  • Production API keys with only the permissions your agent needs (no withdrawals, IP-allowlisted). Testnet and mainnet credentials are separate — testnet keys do not work against mainnet.
  • Switching the base URL to https://api.gateio.ws/api/v4, deliberately and in one place.
  • Risk controls: per-order size cap, daily loss limit, kill switch.
  • Position monitoring: a separate agent or watchdog that tracks open positions independently.
  • Awareness that an unfilled order withdrawn more than 10 minutes ago becomes unfetchable — the API reports it does not exist, so don’t build a poller that assumes old order ids stay queryable.

See examples/gateio/README.md for the full real-money checklist. AlgoVault provides analytics; your agent and your risk policy decide what (if anything) to execute.

Why AlgoVault?

  • Composite verdict, not raw indicators. One JSON response replaces 26-indicator vote-counting.
  • Cross-venue intelligence. Funding spreads, regime, and sentiment fused across 12 exchanges — not derivable from any single-venue API.
  • Publicly verified. Every signal anchored to Base L2 via Merkle proof. Verify before you subscribe.

91.8% PFE Win Rate · 388,981+ calls · 102+ on-chain batches → view live track record

Install

claude plugin install AlgoVaultLabs/algovault-skills

Once installed, every Skill in the pack is one-line invokable from Claude Code, Cowork, or any MCP-compatible client.

Tutorial © AlgoVault Labs · MIT licensed · Provenance verified 2026-07-21 · gate-api 7.2.100 OFFICIAL (github.com/gate/gateapi-python); its default testnet host is stale — set the base URL explicitly