Purchase Confirmed

Welcome to Lavender Gateway

Your instance is provisioned and ready. Everything you need to get connected is below.

Check your email Your receipt was sent to the address you used at checkout. If you don't see it within a few minutes, check spam or junk.
Your email is your access key When you launch Gateway, use the same address you used at checkout — that's what activates your instance.
Download & connect below Pick your operating system, follow the steps, and you'll be running Greeks within minutes.

Get Connected

Download Lavender Gateway

Choose your operating system

Download Gateway.exe ↓
Heads up — Windows may show a "Windows protected your PC" warning. This is expected; Gateway isn't widely distributed yet. Click More info, then Run anyway.
1

Run Gateway.exe from your Downloads folder.

2

When prompted, enter the email address you used at checkout.

3

Verify it's running — paste this URL in any browser:

http://localhost:2112/l1/greeks?root=SPY&format=html

A full Greeks chain for SPY renders as a table.

Apple Silicon M1 / M2 / M3 / M4 — 2020 or newer Intel Older Macs (pre-2020)
Not sure which? Click the Apple menu → About This Mac. If you see "Apple M1," "M2," "M3," or "M4," choose Apple Silicon. If you see "Intel," choose Intel.
1

Click the link above for your Mac type.

2

Open Terminal and navigate to your Downloads folder:

cd ~/Downloads
3

Make Gateway executable:

chmod +x Gateway

One-time setup — tells macOS the file is allowed to run.

4

Clear macOS quarantine:

xattr -d com.apple.quarantine Gateway

One-time setup — clears Apple's "unknown developer" block.

5

Launch Gateway with your email:

./Gateway -id=your-email

Replace your-email with the address you used at checkout.

6

Verify it's running — paste this URL in any browser:

http://localhost:2112/l1/greeks?root=SPY&format=html

A full Greeks chain for SPY renders as a table.

Download Gateway (Linux x64) ↓
1

Open a terminal and navigate to your Downloads folder:

cd ~/Downloads
2

Make Gateway executable:

chmod +x Gateway

One-time setup — makes the file runnable.

3

Launch Gateway with your email:

./Gateway -id=your-email

Replace your-email with the address you used at checkout.

4

Verify it's running — paste this URL in any browser:

http://localhost:2112/l1/greeks?root=SPY&format=html

A full Greeks chain for SPY renders as a table.

What You Now Have Access To

Your Greeks pipeline is live

01

Full OPRA universe — ticking continuously

Independently computed Greeks across approximately 6,000 US underlying names, refreshed continuously during market hours.

02

Vendor-compatible URL patterns

Gateway speaks the wire format of nine common vendors. If you're already using Alpaca, Polygon, ThetaData, Tradier, Orats, LiveVol, Intrinio, MarketData.app, or AlphaVantage — swap the host and your existing code works unchanged.

03

See it live — NVDA at-the-money Greeks

Once Gateway is running, paste this URL in any browser to see Greeks for NVDA's at-the-money chain rendered as an HTML table:

http://localhost:2112/l1/greeks?root=NVDA&center=atm&format=html

After You're Running

Resources & documentation

Quickstart Guide

A step-by-step walkthrough — your first Greeks request in under 5 minutes.

Read →

API Documentation

Full REST reference, response structures, and vendor compatibility guides.

Read →

Lavender Discord

Run /surf, /skew, /term commands. Talk shop with other practitioners.

Join →
Need help with setup? Most users are running Greeks within minutes. If anything's unclear, email info@lavender-ts.com — Jonathan responds personally.