Binance API Error Code -2015: How to Fix It

Easy 5-15 minutes High Severity Verified June 2026
Summarize with ChatGPTSummarize with ClaudeSummarize with Perplexity Add as Preferred Source on Google
Error Code
-2015
Brand
Binance
Product Type
crypto_exchange
Severity
High
DIY Difficulty
Easy
Estimated Fix Time
5-15 minutes
Binance error code -2015 (REJECTED_MBX_KEY) occurs when your API key is invalid, your IP address isn't whitelisted, or your API key lacks the required permissions for the action you're trying to perform. This error prevents trading, withdrawals, or other API-based operations on the Binance platform.
Ad

Tools You'll Need

How to Fix Error Code -2015

  1. Verify API Key Validity

    Never share your API keys with anyone or store them in unsecured locations

  2. Check IP Whitelist Settings

    Removing IP restrictions reduces security - only do this if absolutely necessary

  3. Verify API Key Permissions

    Withdrawal permissions should only be enabled when absolutely necessary and with strict IP restrictions

  4. Update API Credentials in Your Application

  5. Test with Simple API Call

  6. Clear Application Cache and Restart

  7. Check for Account Restrictions

Ad

When to Call a Professional

Contact Binance customer support if the error persists after following all steps, if your account shows unexpected restrictions, or if you suspect unauthorized access to your API keys.

Frequently Asked Questions

Why does Binance error -2015 keep happening?
This error typically occurs due to incorrect API key setup, IP address changes, insufficient permissions, or expired credentials. Double-check your API key configuration and IP whitelist settings.
Can I use Binance API without IP restrictions?
Yes, you can disable IP restrictions, but this reduces security significantly. It's recommended to whitelist specific IP addresses, especially if your API key has withdrawal permissions.
How often should I rotate my Binance API keys?
For security best practices, rotate API keys every 3-6 months or immediately if you suspect they may have been compromised. Always delete old keys after creating new ones.
What's the difference between spot and futures API permissions?
Spot permissions allow trading of cryptocurrencies in the spot market, while futures permissions enable derivatives trading. Each requires separate permission settings in your API key configuration.

Related Error Codes