Union Pacific · Rate Limits

Union Pacific Rate Limits

Union Pacific does not publish public API rate limits. Throttling, concurrency, and quota terms are defined per customer integration agreement.

1 Limits Throttle: 429
FreightRailroadsRate LimitingB2B

Limits

Customer integration limit contract
varies
see customer integration agreement

Policies

Customer Integration Agreement
API quotas and concurrency are negotiated with Union Pacific as part of rail customer integration onboarding; limits are not published publicly.

Sources