Use Gemini with American Express
BankSync's MCP server can let Gemini query supported American Express 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 American Express or Gemini. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Gemini to American Express
Search for American Express in BankSync
Sign up for BankSync and, if American Express 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 Gemini
Add the BankSync MCP server to Gemini using your API key. Follow our Gemini setup guide for step-by-step instructions.
Start querying
Ask Gemini about supported American Express transactions, balances, and more using natural language.
Gemini MCP Configuration
Add this configuration to let Gemini query supported American Express account data through BankSync.
{
"mcpServers": {
"banksync": {
"url": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}What Gemini can access from American Express
Accounts
List the American Express accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported American Express transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported American Express accounts.
Ready to connect Gemini to American Express?
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Use American Express 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 Gemini
Institutions in the same market that Gemini can query through BankSync MCP.
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BankSync is not affiliated with, endorsed by, or an official partner of Gemini or American Express. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.