FixPortalDocsSimulator
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Running the demo

The demo is a temporary FIX 5.0 SP2 workspace at /demo. It needs no account and does not modify tenant sessions.

Start

Choose a scenario or submit the first order. The service leases an isolated demo session, connects its initiator to the hosted venue, and reports the current session state. Capacity is shared, so an available demo service can still report that no lease is free.

Submit an order

Enter the instrument, side, quantity, order type, and price fields required by the ticket. Each order should use a unique client identifier. The message flow shows outbound orders and inbound execution reports; open a message to inspect fields or copy the raw FIX text.

The same parser used by the public FIX decoder powers message inspection.

Tune venue behaviour

Scenario presets establish coherent bundles of acknowledgement, fill, reject, and latency behaviour. Individual dials then let you make a focused change. Once a dial changes, the workspace is hand-tuned rather than identical to the named preset.

Use reset to restore a clean temporary state. Disconnect and reconnect exercise session recovery without creating a tenant resource.

Limits

The demo does not provide persistent configuration, custom CompIDs, custom dictionaries, tenant brokers, ATDL libraries, or account administration. Its lease expires and its settings are discarded.

Use the demo to learn the message flow or reproduce a compact protocol scenario. Use a provisioned session when identity, authentication, dictionaries, persistence, or routing are part of the test.

If the workspace remains unavailable, distinguish API failure from pool exhaustion. An API failure shows retry behaviour; pool exhaustion leaves the demo healthy but disables actions until a lease is free.

Updated 2026-09-08 · Edit on GitHub