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 →

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
Start Free Trial

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

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.


Test and Simulate FIX Order Flow Before Production

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