Use Codex with Bank of Buffalo
BankSync's MCP server can let Codex query supported Bank of Buffalo account data that you have connected through BankSync and authorized for API access. Query your finances in natural language without spreadsheets or exports.
BankSync is not affiliated with, endorsed by, sponsored by, or partnered with Bank of Buffalo or Codex. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Codex to Bank of Buffalo


Search for Bank of Buffalo in BankSync
Sign up for BankSync and, if Bank of Buffalo is available, link your account through a provider-hosted or bank-hosted authorization flow.
Generate an API key
Create an API key from the Developers section of your BankSync workspace.
Configure Codex
Add the BankSync MCP server to Codex using your API key. Follow our Codex setup guide for step-by-step instructions.
Start querying
Ask Codex about supported Bank of Buffalo transactions, balances, and more using natural language.
Codex MCP Configuration
Add this configuration to let Codex query supported Bank of Buffalo account data through BankSync.
[mcp_servers.banksync]
url = "https://mcp.banksync.io"
[mcp_servers.banksync.http_headers]
X-API-Key = "bsk_your_key_here"What Codex can access from Bank of Buffalo
Accounts
List the Bank of Buffalo accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported Bank of Buffalo transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported Bank of Buffalo accounts.
Holdings
View supported investment positions, quantities, and market values from Bank of Buffalo.
Trades
Access supported investment trade and activity history from Bank of Buffalo.
Loans
Check supported loan balances and provider-supplied liability details from Bank of Buffalo.
Ready to connect Codex to Bank of Buffalo?
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Use Bank of Buffalo with another agent
The same BankSync MCP server and API key work with every one of these.
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Other banks you can use with Codex
Institutions in the same market that Codex can query through BankSync MCP.
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BankSync is not affiliated with, endorsed by, or an official partner of Codex or Bank of Buffalo. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.