Binance Order Error -2010: Causes and Fixes

You place an order. Binance fires back: {"code": -2010, "msg": "Account has insufficient balance for requested action."}. Or maybe the message says something about price filters, lot sizes, or notional value. Either way, the order never touched the book — it was killed at the gate. Error -2010 is Binance's generic NEW_ORDER_REJECTED code, and it covers a surprisingly wide range of root causes. Knowing which one you're hitting is the difference between a 30-second fix and an hour of debugging.

What Is Binance Error -2010?

Error -2010 maps to the internal code NEW_ORDER_REJECTED in Binance's REST and WebSocket API. It means the exchange received your order request, validated it server-side, and decided to reject it before placing it in the order book. The rejection is immediate — no partial fills, no pending state. The error message that accompanies -2010 is your real clue; the code itself just tells you the order didn't go through.

Unlike a network timeout or a 403 authentication error, -2010 is a logical rejection. Your connectivity is fine, your API keys work, but something about the order itself violates one of Binance's rules. This matters because the fix is always in the order parameters, never in your infrastructure.

Always read the 'msg' field alongside the -2010 code. Binance packs the specific reason into that string — 'insufficient balance', 'Filter failure: PRICE_FILTER', 'Filter failure: LOT_SIZE', etc. The msg is your actual error; -2010 is just the container.

The Most Common Causes of Error -2010

Most -2010 errors fall into one of five buckets. Understanding each one lets you diagnose the problem from the message alone without digging through docs every time.

• Insufficient balance — your account doesn't hold enough of the quote or base asset to cover the order plus fees.
• PRICE_FILTER violation — the order price falls outside the allowed min/max range or doesn't align to the defined tick size (priceFilter.tickSize).
• LOT_SIZE violation — the order quantity is below minQty, above maxQty, or not a valid multiple of stepSize.
• MIN_NOTIONAL violation — even if price and quantity individually pass, their product (price × qty) is below the minimum notional value Binance requires for that pair.
• PERCENT_PRICE violation — your limit price deviates too far from the current market price (typically more than 20% above the weighted average price on spot).
• Market order with MARKET_LOT_SIZE — market orders have separate size limits from limit orders; hitting the market-specific min/max triggers this.
• Reduce-only order on a position that doesn't exist — common in futures, where you try to close a position that's already been liquidated or closed.

Diagnosing the Error: Reading the Message Field

The fastest way to fix a -2010 is to map the msg string to the rule it's violating. Here's a practical reference for the messages you'll actually see in production:

For each pair you trade, you can pull the exact filter values from the /api/v3/exchangeInfo endpoint. The filters array inside each symbol object contains every constraint Binance will enforce. If you're building a bot, cache this data and validate locally before sending — you'll cut your rejected order rate dramatically and avoid unnecessary API weight consumption.

Step-by-Step Fix for Each Cause

Here's how to resolve the most common variants in practice, with code examples in Python using the python-binance library.

from binance.client import Client
import math

client = Client(api_key, api_secret)

def get_filters(symbol):
    info = client.get_symbol_info(symbol)
    filters = {f['filterType']: f for f in info['filters']}
    return filters

def round_step_size(quantity, step_size):
    """Round quantity down to the nearest valid step."""
    precision = int(round(-math.log(float(step_size), 10), 0))
    return round(math.floor(quantity / float(step_size)) * float(step_size), precision)

def round_tick_size(price, tick_size):
    """Round price to the nearest valid tick."""
    precision = int(round(-math.log(float(tick_size), 10), 0))
    return round(round(price / float(tick_size)) * float(tick_size), precision)

def safe_limit_order(symbol, side, quantity, price):
    filters = get_filters(symbol)

    # Fix LOT_SIZE
    step_size = filters['LOT_SIZE']['stepSize']
    min_qty = float(filters['LOT_SIZE']['minQty'])
    quantity = round_step_size(quantity, step_size)
    if quantity < min_qty:
        raise ValueError(f"Quantity {quantity} below minQty {min_qty}")

    # Fix PRICE_FILTER
    tick_size = filters['PRICE_FILTER']['tickSize']
    price = round_tick_size(price, tick_size)

    # Check MIN_NOTIONAL
    min_notional = float(filters['MIN_NOTIONAL']['minNotional'])
    if quantity * price < min_notional:
        raise ValueError(f"Notional {quantity * price:.4f} below minimum {min_notional}")

    return client.create_order(
        symbol=symbol,
        side=side,
        type='LIMIT',
        timeInForce='GTC',
        quantity=quantity,
        price=str(price)
    )

# Usage
try:
    order = safe_limit_order('BTCUSDT', 'BUY', 0.001, 62345.67)
    print(f"Order placed: {order['orderId']}")
except ValueError as e:
    print(f"Pre-validation failed: {e}")
except Exception as e:
    print(f"API error: {e}")

The pattern above — fetch filters, validate locally, then send — is the industry-standard approach for production bots. You catch the error before it hits the API, save on rate limits, and get a cleaner error message you control. Traders running bots on Bybit and OKX implement the same pattern since both platforms have analogous filter systems (Bybit calls them 'lotSizeFilter' and 'priceFilter'; OKX uses 'ctVal' and tick size specs per instrument).

Error -2010 in Futures vs. Spot Trading

The same -2010 code appears across Binance Spot, USD-M Futures, and COIN-M Futures, but the triggers differ in important ways.

On Spot, insufficient balance is the single most common cause — you simply don't have USDT or BTC to cover the order. On Futures, balance is rarely the issue (margin requirements are lower), but reduce-only rejections and PERCENT_PRICE violations are much more frequent. In futures, if you're trying to close a position that got liquidated moments earlier, you'll hit -2010 with a reduce-only message. Always query your position before placing a close order programmatically.

Another futures-specific trigger: the NOTIONAL filter on futures pairs is often higher than on spot. A 10 USDT minimum notional on spot might be 100 USDT on the perpetual contract for the same asset. Bots ported from spot to futures without updating the minimum size checks fail here regularly.

Comparing Order Filter Strictness Across Major Exchanges

If you're building a multi-exchange bot or considering migrating your strategy, it's worth knowing how Binance's filter system compares to what you'd find on other major platforms. Bybit, OKX, and Bitget all implement similar constraint systems, but the specifics vary enough to cause -2010-equivalent errors if you don't adapt your order construction logic per exchange.

OKX uses a slightly different approach — instead of a hard minimum notional, it enforces minSz (minimum contract size) and you multiply by the current price to get effective minimum. Bitget's minTradeUSDT serves a similar purpose to Binance's MIN_NOTIONAL. If you're cross-exchange trading and getting -2010 equivalents on one platform but not another, the notional floor difference is usually the culprit.

Platforms like Bybit and OKX also expose sandbox/testnet environments where you can fire test orders freely without real funds — this is invaluable for validating your filter logic before going live. Binance Testnet serves the same purpose. If you're using VoiceOfChain for real-time signal feeds, running your execution layer against testnet first with the same signal parameters lets you catch filter violations before they cost you on live markets.

Preventing -2010 in Production Bots

Reactive error handling (try/catch around every order) works but creates noise. A better architecture prevents the error before the API call. Here's the production checklist:

• Cache exchangeInfo on startup and refresh every 24 hours (or on -1121 symbol not found errors). Filter values rarely change but do get updated.
• Build a local order validator that checks all five filter types before calling create_order. Raise a custom exception with the specific failure so your logs are clean.
• For balance checks: pull account balance once per second in a background thread rather than before every order — reduces latency on fast signals.
• On futures bots: query open positions before any reduce-only or close order. Never assume a position still exists.
• Round quantity DOWN (floor), never up. Rounding up causes you to try to buy more than you have funds for.
• Round price to tick size using the exchange-specified precision — don't use Python's built-in round() with an arbitrary decimal place.
• If you receive -2010 with MIN_NOTIONAL after passing LOT_SIZE, your quantity is valid but too small in dollar terms. Scale up or skip the signal.
• Log every -2010 with the full request parameters so you can replay and debug without re-triggering the live market.

Signal services like VoiceOfChain push entry price and sizing recommendations in real time. When wiring those signals into an automated execution layer on Binance, the local validator sits between the signal consumer and the order router — the signal tells you what to trade, the validator enforces that the order is actually placeable, and the router sends it. That separation keeps your execution clean and your logs interpretable.

Frequently Asked Questions

Conclusion

Error -2010 is one of the most frequent friction points in Binance API development, but it's also one of the most mechanical to fix. Every instance comes down to a constraint mismatch between your order parameters and Binance's exchange rules. Read the message field, look up the relevant filter in exchangeInfo, fix the parameter, and you're done. The traders who stop hitting -2010 in production are the ones who move that validation logic upstream — check before you send, not after you fail. Whether you're trading on Binance directly, running a multi-leg strategy across Bybit and OKX, or automating entries off signal feeds, clean order construction is the foundation everything else runs on.