HarborSignal API Documentation

Port Reliability Intelligence API for Enterprise Supply Chains

Integrate historical port performance data into your supply chain planning systems. Access normalized congestion metrics, recovery patterns, and seasonal reliability indices through stable, enterprise-grade APIs.

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Annual enterprise licensing with unlimited API calls. Contact us for integration support.

Coverage: Major US import gateways
Refresh: Daily updates
Historical Data: Since 2015
Resolution: Daily, Weekly, Monthly

API Capabilities for Supply Chain Planning

Access normalized port performance metrics through RESTful endpoints. All data is contextualized against historical baselines, enabling meaningful comparisons across ports and time periods.

Core Endpoints

Daily congestion signals with historical normalization
Recovery duration estimates based on past events
Seasonal reliability indices by port and month
Port-to-port performance comparisons
Disruption severity rankings and percentiles

Planning Applications

Safety stock optimization based on recovery patterns
Lead time adjustments for seasonal congestion
Port diversification analysis for network design
Risk scoring for inbound routing decisions
Executive dashboards with historical context

Developer Resources

System status — monitor data freshness and API health.
API documentation — explore endpoints and response schemas.
Integration support — technical assistance and best practices.

Ready to integrate port intelligence?

Give your planning teams the historical context they need to make informed decisions about port risk and recovery.

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