How FE!N works

One place for your LLM, your exchange when you need paper or live, and scheduled runs. Market data for your prompts is built in—no DIY feeds. Close the tab: jobs keep running and results are saved.

Start free with the button below—scale anytime from Pricing. Most traders are live in minutes.

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Four quick steps

Sign in, connect AI (and an exchange for paper or live), create a model, turn it on. Today’s modes are simulation, paper, and live—not a separate shipped “historical backtest” flow inside the product.

  1. 1

    Sign in

    Use Google, email, or phone—whatever your Firebase project enables. Models and settings stay in one place.

  2. 2

    Connect AI and exchanges

    Add your AI provider, test the key, pick a model. For paper or live, add exchange keys and test them before saving. Prices for prompts flow through FE!N from integrated sources.

  3. 3

    Create a model

    Name it, choose simulation, paper, or live, set cadence and instructions, then switch it on. FE!N stores trades and outcomes.

  4. 4

    Review, pause, or scale

    Check results anytime. Pause or edit freely. Stripe powers plans—if you hit a limit, we’ll show the next tier.

What you do inside FE!N

Manage models, keys, billing, and account settings from one app—built for traders who want clarity, not clutter.

Your models

See what’s running and past runs. Prices refresh automatically. Pause in one click.

API keys

Add, test, and rotate AI and exchange keys with a safe test-before-save flow.

Plans and billing

Start free, upgrade when you need more headroom—compare tiers on Pricing.

Privacy, security, exports

Language, security, and privacy controls—export model data where the app supports CSV or JSON.

Join traders on FE!N

Open the app to run your first job in minutes. Need help? [email protected]—we read every note.

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