Pricing Plans
Used by individual developers, QA teams, OMS/EMS vendors, broker-dealers, and exchanges.
Month-to-month subscriptions. No annual contract. Cancel anytime.
Watch a demo or talk to us if you have questions.
All Plans Include:
7-Day Free Trial // No Credit Card Required // No Install — Browser Based // Email Support // Cancel Anytime
Start testing your FIX engine today.
7-day free trial — no install, cancel anytime.
Start Free Trial →For individual developers and contractors validating FIX connectivity.
- Single user login
- Single FIX session
- FIX 4.0 – 5.0SP2 support
- Message blotter — raw FIX + translated tags
- Manual order execution — fills, cancels, rejects, replaces
- Session layer testing — sequencing, resends, recovery
- Application layer testing — business logic and exception paths
No credit card required
For QA teams and OMS/EMS vendors running repeatable regression testing.
- Everything in Starter
- Multiple user logins
- Multiple FIX sessions
- Rule Builder — automate fills, cancels, rejects, replaces
- Replay FIX message logs
- Repeatable regression test scenarios
- High volume message testing
- REST API access for CI/CD integration
For broker-dealers, exchanges, and large fintech teams requiring full simulation at scale.
- Everything in Pro
- Multiple FIXSIM instances — acceptors and initiators
- Buy-side and sell-side simulation
- Simulate exchange and counterparty behavior
- Venue certification testing workflows
- Dedicated FIXSIM environment
- Priority support and onboarding
- Custom SLA available
Common Questions
What does the free trial include?
Full access to Starter plan features for 7 days. No credit card required. Connect your FIX engine and start testing in minutes.
Do I need to install anything?
No. FIXSIM is fully browser-based. Create a session, connect your FIX engine, and start testing immediately.
Can I upgrade or cancel anytime?
Yes. All plans are month-to-month with no annual contract. Upgrade, downgrade, or cancel at any time.