Orderbook API

The Orderbook API provides comprehensive endpoints for trading, authentication, and data access.

Base URL: https://api.probable.markets

API Version: 1.0.0

Overview

This API allows you to:

• Authenticate users with multi-level authentication (L1, L2)
• Manage API keys
• Place and manage orders
• Access orderbook data (prices, order books, historical data)
• Retrieve trade history and user data

Authentication

The API uses a multi-level authentication system:

• L1 Authentication: EIP-712 signature verification (for initial auth and API key generation)
• L2 Authentication: HMAC signature with API key (for orderbook write operations)

Documentation Structure

Getting Started

• Getting Started Guide - Complete walkthrough of L1/L2 authentication and submitting your first order

API Reference

1. Authentication

Endpoints for user authentication and API key management.

• Authentication API - Authentication endpoints reference
• API Keys API - API key management endpoints reference

2. Orderbook

Endpoints for order management and orderbook data access.

• Orders API - Order management endpoints reference
• Orderbook Data API - Prices, order books, and historical data endpoints reference

3. Data

Endpoints for retrieving trade history and user data.

• Trades API - Trade history endpoints reference
• User Data API - User activity, positions, and P&L endpoints reference

Quick Start

1. Start here: Getting Started Guide - Learn how to authenticate and submit orders
2. Then explore: API Reference - Detailed endpoint documentation