# fetched: 2026-07-21
# method: searched
# source: https://pulse.simudyne.com/llms.txt

# Pulse — Simudyne

> Tick-level L1/L2 synthetic orderbook data at millisecond resolution. Free to get started.

Pulse is a synthetic market data platform built by Simudyne. It provides a REST API and a Python SDK to access simulated financial market data — including L1 quotes, L2 order book depth, trades, and individual order events — at millisecond time resolution.

## Products

### PulseABM
- Status: Available now
- A market simulator that generates tick-level synthetic orderbook data.
- Supports L1 and L2 order book data, order flow, and trade data.
- Data is returned via a Python SDK as Polars DataFrames.
- Millisecond resolution.
- Use cases: backtesting, algo development, market impact studies, pre-trade TCA, model training, reinforcement learning.

### Pulse Foundation Model
- Status: Coming soon
- A generative large market model calibrated with real market data.
- Predicts the next order in a sequence, generating realistic synthetic order books and market scenarios on demand.
- Join the waiting list at https://pulse.simudyne.com/#waitlist

## Pricing

Pulse has a free tier. No credit card required to get started.

## Key technical facts

- Data resolution: millisecond
- Available data types: L1 quotes, L2 order book depth, trades, individual order events
- SDK: Python — `pip install git+https://github.com/simudyne/pulse-api.git`
- SDK returns: Polars DataFrames
- Supported venues: HKEX (expanding)
- API authentication: API key (`pk_live_...`)

## Use cases

- Backtesting trading strategies
- Algo development and testing
- Market impact studies
- Pre-trade transaction cost analysis (TCA)
- Training ML and reinforcement learning models
- Liquidity risk analysis

## Links

- Docs: https://pulse.simudyne.com/docs
- Sign up: https://pulse.simudyne.com/auth/signin
- Support: support@simudyne.com
- Company: https://simudyne.com