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


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