BankSync's MCP server connects ChatGPT to Bank21, giving the AI direct read access to your real-time transactions, balances, and account data. Query your finances in natural language — no spreadsheets, no exports.
Sign up for BankSync and securely link your Bank21 account through our secure connection.
Create an API key from the Developers section of your BankSync workspace.
Add the BankSync MCP server to ChatGPT using your API key. Follow our ChatGPT setup guide for step-by-step instructions.
Ask ChatGPT about your Bank21 transactions, balances, and more using natural language.
Add this configuration to connect ChatGPT to your Bank21 data.
{
"mcpServers": {
"banksync": {
"url": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}Query Bank21 transactions by date range with merchant details, amounts, and categories.
Get live current and available balances for all your Bank21 accounts.
List all checking, savings, and investment accounts linked through Bank21.
View investment positions, quantities, and market values from Bank21 brokerage accounts.
Access buy/sell/dividend transactions from your Bank21 investment accounts.
Check outstanding balances, interest rates, and payment schedules for Bank21 loans.
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Get Started FreeBankSync is not affiliated with, endorsed by, or an official partner of ChatGPT or Bank21. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.