Broker Automation Setup for Tradovate, ProjectX, and Rithmic

Create an integration record for every account. Include provider, environment, account identifier, owner, account stage, enabled exchanges, permission source, credential type, and review date. Tradovate's partner documentation describes API keys and REST order endpoints; ProjectX publishes gateway and order references; Rithmic publishes its API offerings. Those documents can change.

Distinguish a broker or platform brand from the underlying connection. Some firms or front ends use shared technology, while account eligibility and policies remain program-specific. A technically valid connection does not authorize automation under a prop-firm agreement. Obtain current written permission where the account rules are not explicit.

Follow provider instructions for creating API credentials or authorizing an application. Do not share a user password when an approved token or key flow exists. Restrict access to the service that needs it, redact secrets from diagnostics, and record who can revoke the connection. A webhook URL should also be treated as sensitive.

After connection, enumerate or retrieve permitted accounts through the documented interface and have the operator select the exact target. Persist stable identifiers where allowed, but revalidate them on reconnect. Similar account names, simulation/live switches, or prop-stage transitions can otherwise route a valid order to the wrong destination.

Maintain a versioned mapping table with source symbol, provider contract identifier, expiration, activation window, and owner. Do not roll solely because a date arrived; follow a documented liquidity and contract procedure appropriate to the strategy. Test both old and new mappings safely, and disable ambiguous symbols during transition.

Normalize intent before translating provider fields. The application should know whether an action opens, adds, reduces, closes, or reverses exposure. Broker APIs can represent brackets, OCO relationships, and modifications differently. Tradovate publishes separate order and OCO references, while ProjectX documents its order request. Use current schemas rather than a generic payload.

Design an explicit state machine around facts received from the provider. A local submitted state is not broker acceptance. A cancellation request is not a cancelled order. Partial fills change exposure while leaving quantity working. Protective children may need adjustment or cancellation as parent fills evolve, according to the provider's supported order model.

On restart, fetch or rebuild open orders, recent fills, and positions before accepting new signals. Compare that snapshot with persisted application state and flag unexplained differences. Manual broker actions are legitimate operational events and must not be silently overwritten by an automation system that assumes sole ownership.

Tradovate and ProjectX publish rate-limit documentation. Read it during design and review it periodically rather than hard-coding an article's numbers. Measure your own request categories and leave headroom for reconciliation and emergency actions. A burst of strategy signals should not consume all capacity needed to inspect or cancel orders.

Use stable event identifiers for inbound signals and single-flight processing where appropriate. A retry policy must account for the possibility that the first request succeeded but its response was lost. When the outcome remains unknown, quarantine the event and reconcile broker state. Do not optimize around claimed latency; correctness and controlled state transitions are the defensible goals.

Prepare an acceptance matrix for each adapter and account. Capture the intended instruction, broker response, final orders, fills, position, and operator conclusion. Include credential revocation, stale data, rejected symbols, and unknown-outcome handling. Any scenario not tested should be listed as residual risk with a mitigation.

Rehearse disabling new signals, cancelling appropriate working orders, and managing positions directly at the broker. Flattening can itself create risk and should not be an automatic answer to every incident; the runbook must distinguish stopping new activity from changing existing exposure. Review again after API, account, strategy, or contract changes.