Pricing Plans

FIXSIM costs $500 per month for Starter, $1,500 and up per month for Pro, and Enterprise pricing is custom.
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.

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Starter

$500 per month

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

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No credit card required

Pro

$1,500+ per month

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

Enterprise

Custom tailored to your team's needs

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

How much does FIXSIM cost?

Starter is $500 per month. Pro starts at $1,500 per month depending on users and sessions. Enterprise pricing is custom. All plans are month-to-month and start with a 7-day free trial.

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.