Use Gemini with Capital One
BankSync's MCP server can let Gemini query supported Capital One 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 Capital One or Gemini. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Gemini to Capital One


one key, every agent
Search for Capital One in BankSync
Sign up for BankSync and, if Capital One 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 Capital One transactions, balances, and more using natural language.
Gemini MCP Configuration
Add this configuration to let Gemini query supported Capital One account data through BankSync.
{
"mcpServers": {
"banksync": {
"url": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}What Gemini can access from Capital One
Accounts
List the Capital One accounts connected through BankSync and visible to the API key scopes you grant.
Transactions
Query supported Capital One transactions with provider-supplied dates, descriptions, amounts, merchants, and categories.
Balances
Get current and available balances for supported Capital One accounts.
Ready to connect Gemini to Capital One?
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Other banks you can use with Gemini
Institutions in the same market that Gemini can query through BankSync MCP.
- Use Starling with Gemini🇬🇧 United Kingdom
- Use Revolut with Gemini🇬🇧 United Kingdom
- Use HSBC with Gemini🇬🇧 United Kingdom
- Use Barclays with Gemini🇬🇧 United Kingdom
- Use Santander Personal with Gemini🇬🇧 United Kingdom
- Use Lloyds Bank with Gemini🇬🇧 United Kingdom
- Use Halifax with Gemini🇬🇧 United Kingdom
- Use Bank of Scotland with Gemini🇬🇧 United Kingdom
BankSync is not affiliated with, endorsed by, or an official partner of Gemini or Capital One. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.