Heartland Express · Rate Limits
Heartland Express Rate Limits
Heartland Express does not publish a public API rate-limit document. Throttling is governed by the shipper / 3PL agreement.
Heartland Express Rate Limits is the machine-readable rate-limit profile for Heartland Express on the APIs.io network, conforming to the API Commons Rate Limits specification.
It captures 1 rate-limit definition, across the enterprise tier, measuring varies.
The profile also includes 3 backoff/retry policies defined and response codes documented for throttled and serviceUnavailable.
Tagged areas include Trucking, Transportation, Logistics, Rate Limiting, and Quotas.
1 Limits
Throttle: 429
TruckingTransportationLogisticsRate LimitingQuotasThrottling
Limits
Contract-defined per-partner limit partner
see shipper / partner agreement
Policies
Backoff Strategy
Honor Retry-After on 429 and back off with exponential jitter on transient 5xx.
Tracking Polling Etiquette
For shipment-tracking polls, prefer event/webhook delivery where available rather than high-frequency polling.
Partner Scoping
Limits are enforced per partner credential.