Use Grok with Capital One
BankSync's MCP server can let Grok 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 Grok. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Grok to Capital One
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 Grok
Add the BankSync MCP server to Grok using your API key. Follow our Grok setup guide for step-by-step instructions.
Start querying
Ask Grok about supported Capital One transactions, balances, and more using natural language.
Grok MCP Configuration
Add this configuration to let Grok query supported Capital One account data through BankSync.
{
"mcpServers": {
"banksync": {
"url": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}What Grok 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 Grok to Capital One?
Start your 14-day free trial. Connect your bank, generate an API key, and start querying data in minutes.
Use Capital One 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 Grok
Institutions in the same market that Grok can query through BankSync MCP.
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- Use Amazon Mastercard with Grok🇬🇧 United Kingdom
BankSync is not affiliated with, endorsed by, or an official partner of Grok or Capital One. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.