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Playground ​

API Playground Documentation ​

Overview ​

The API Playground is a web-based interface for testing Tradeboard REST API endpoints. It provides an intuitive UI to explore, test, and debug all available API endpoints without needing external tools like Postman.

Features ​

  • Three-Panel Layout: Sidebar, request editor, and response viewer side-by-side
  • Comprehensive Endpoint Library: Pre-configured with all Tradeboard API endpoints loaded from Bruno collection
  • Organized Categories: Endpoints grouped by functionality (Account, Orders, Data, Utilities)
  • Live Testing: Send requests and view responses in real-time
  • Auto-Populated API Key: Your API key is automatically injected into request bodies
  • Line Numbers: Both request body and response display line numbers for easy reference
  • Prettify JSON: Format and beautify JSON request bodies with one click
  • Response Metrics: View status code, response time, and response size
  • Copy Options: Copy response or generate cURL command
  • Search Functionality: Quickly find endpoints by name

Access ​

Navigate to: http://your-host:port/playground

Note: You must be logged in to access the Playground.

Usage ​

1. API Key (Automatic) ​

Your API key is automatically managed:

  • The API key is fetched when you open the Playground
  • It's automatically injected into all request bodies containing an apikey field
  • No manual copy/paste required

2. Select an Endpoint ​

Browse the left sidebar to find the endpoint you want to test:

  • Account: Funds, orderbook, tradebook, positionbook, holdings
  • Orders: Place, modify, cancel orders, basket orders, split orders
  • Data: Quotes, depth, history, search, symbols, expiry dates
  • Utilities: Ping, instruments, margin calculator

Click on any endpoint to load its configuration in the request panel.

3. Customize the Request ​

The middle panel contains two tabs:

Body Tab

  • Edit the JSON request body with line numbers
  • API key is automatically populated
  • Click Prettify to format JSON
  • Modify parameters as needed

Headers Tab

  • Shows request headers
  • Content-Type: application/json (default)

4. Send the Request ​

  1. Review the URL and method in the URL bar
  2. Click the Send button (or use the arrow icon)
  3. View the response in the right panel

5. Analyze the Response ​

The right panel shows:

  • Status Code: Color-coded (green for 2xx, red for errors)
  • Response Time: Request duration in milliseconds
  • Response Size: Size of the response in bytes/KB
  • Response Body: Formatted JSON with line numbers
  • Copy Response: Copy the JSON response
  • Copy cURL: Generate and copy cURL command

Endpoint Categories ​

Account Endpoints ​

  • Analyzer Status: Check if analyzer mode is enabled
  • Analyzer Toggle: Enable/disable analyzer mode
  • Funds: Get account balance and margin details
  • Orderbook: View all orders
  • Tradebook: View executed trades
  • Positionbook: View open positions
  • Holdings: View long-term holdings

Order Endpoints ​

  • Place Order: Place a single order
  • Place Smart Order: Place order with position sizing
  • Basket Order: Place multiple orders at once
  • Split Order: Split large orders into smaller chunks
  • Modify Order: Modify existing order parameters
  • Cancel Order: Cancel a specific order
  • Cancel All Orders: Cancel all pending orders
  • Close Position: Close all positions for a strategy
  • Order Status: Get status of a specific order
  • Open Position: Check open position for a symbol

Data Endpoints ​

  • Quotes: Get real-time quotes for a symbol
  • Depth: Get market depth (order book)
  • History: Get historical OHLCV data
  • Intervals: Get supported time intervals
  • Symbol: Get symbol details
  • Search: Search for symbols
  • Expiry: Get expiry dates for derivatives
  • Option Symbol: Get option chain symbols
  • Option Greeks: Calculate option Greeks
  • Ticker: Get ticker data (GET request)

Utility Endpoints ​

  • Ping: Test API connectivity
  • Instruments: Download instrument master files
  • Margin Calculator: Calculate margin requirements

Tips ​

  1. Automatic API Key: Your API key is automatically injected into requests - no manual entry needed
  2. Search Feature: Use the search box to quickly find endpoints by name
  3. Prettify JSON: Click the Prettify button to format messy JSON in the request body
  4. Line Numbers: Use line numbers to reference specific parts of requests/responses
  5. Copy cURL: Generate cURL commands to replicate requests in terminal
  6. Status Codes:
    • 200-299: Success (green)
    • 400-499: Client errors (red)
    • 500-599: Server errors (red)

Integration with Collections ​

The API Playground is built using the same endpoint definitions as:

  • Postman Collection (collections/postman/tradeboard.postman_collection.json)
  • Bruno Collection (collections/tradeboard/*.bru)

This ensures consistency across all testing tools.

Troubleshooting ​

"Authentication required" error ​

  • Make sure you're logged into Tradeboard
  • Navigate to /playground while logged in

API key not being injected ​

  • Navigate to /apikey to generate your API key
  • Refresh the Playground page after generating a key
  • Ensure the request body contains an apikey field

Invalid API key errors ​

  • Navigate to /apikey to verify or regenerate your API key
  • Ensure your API key is active and not expired

Network errors ​

  • Check if the Tradeboard server is running
  • Verify the URL in the request field is correct
  • Check browser console for detailed error messages

Security Notes ​

  • API keys are automatically fetched from your secure session
  • API keys are stored encrypted in the database
  • Never share your API key with others
  • The API Playground requires authentication (login) to access
  • API keys are displayed in read-only mode for security

Future Enhancements ​

Planned features:

  • Request history and saved responses
  • Favorite/starred endpoints
  • Environment variables support
  • WebSocket endpoint testing
  • Response diff comparison