Use Pieces with American Express
BankSync's MCP server can let Pieces 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 Pieces. Names are used only to describe potential account-data coverage and client compatibility.
How to connect Pieces 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 Pieces
Add the BankSync MCP server to Pieces using your API key. Follow our Pieces setup guide for step-by-step instructions.
Start querying
Ask Pieces about supported American Express transactions, balances, and more using natural language.
Pieces MCP Configuration
Add this configuration to let Pieces query supported American Express account data through BankSync.
{
"mcpServers": {
"banksync": {
"url": "https://mcp.banksync.io",
"headers": {
"X-API-Key": "bsk_your_key_here"
}
}
}
}What Pieces 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.
Holdings
View supported investment positions, quantities, and market values from American Express.
Trades
Access supported investment trade and activity history from American Express.
Loans
Check supported loan balances and provider-supplied liability details from American Express.
Ready to connect Pieces 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.
- Use American Express with ChatGPTOpenAI
- Use American Express with Claude CodeAnthropic
- Use American Express with Claude CoworkAnthropic
- Use American Express with Claude DesktopAnthropic
- Use American Express with CursorAnysphere
- Use American Express with GeminiGoogle
- Use American Express with GrokxAI
- Use American Express with Hermes AgentNousResearch
Other banks you can use with Pieces
Institutions in the same market that Pieces can query through BankSync MCP.
- Use Chase with Pieces🇺🇸 United States
- Use Capital One with Pieces🇺🇸 United States
- Use Wells Fargo with Pieces🇺🇸 United States
- Use Fidelity with Pieces🇺🇸 United States
- Use Citibank Online with Pieces🇺🇸 United States
- Use Bank of America with Pieces🇺🇸 United States
- Use PayPal with Pieces🇺🇸 United States
- Use Bank of America - Charitable Gift Fund with Pieces🇺🇸 United States
BankSync is not affiliated with, endorsed by, or an official partner of Pieces or American Express. All product names and trademarks are the property of their respective owners. Bank connections are established through regulated open banking providers.