Overview
Performance
Usage
Integrate
Let your AI send invoices and take payment - card or ACH. Free.
Integrate this server via the CLI, MCP SDK, or AI SDK. Smithery handles OAuth, token refresh, and session management for you.
Required parameters
Your Holdings API key - create a free one in your Holdings workspace under Settings -> API keys
1. Install Smithery CLI
2. Create a namespace
3. Use this server