# Safecube > Safecube is a container tracking platform and API for ocean freight, built by Sinay (Caen, France). Small and mid-sized shippers, freight forwarders and logistics software teams use it to track containers across 180+ carriers by container number, Bill of Lading or booking number, with real-time status, predictive ETAs and alerts. Self-serve plans start at $15/month, with a 14-day free trial and no credit card required. Key facts: - Product: web dashboard, REST API and webhooks for container tracking. - Coverage: 180+ ocean carriers, with automatic shipping line detection from the shipment number. - Data sources: carrier and terminal events (booking, gate, loading), AIS vessel positions at sea, and port call data, merged into one timeline per shipment. - Pricing: monthly plans from $15 (up to 10 shipments) to $1,000 (up to 1,000 shipments). One shipment = one container, Bill of Lading or booking number tracked for one month. - Free tools: container tracking, vessel tracking, port congestion, ETA, demurrage and detention, container loading and CO2 calculators. - Company: Safecube is a brand of Sinay SAS, a maritime data company headquartered in Caen, France. ## Free tools - [Free container tracking](https://www.safecube.ai/resource/container-tracking): Track a shipping container across 180+ carriers by container number, Bill of Lading or booking reference. Status, next port and ETA; full voyage history with a free account. - [MSC container tracking](https://www.safecube.ai/resource/container-tracking-msc): Track MSC containers by container, BL or booking number. - [Maersk container tracking](https://www.safecube.ai/resource/container-tracking-maersk): Track Maersk containers by container, BL or booking number. - [CMA CGM container tracking](https://www.safecube.ai/resource/container-tracking-cma-cgm): Track CMA CGM containers by container, BL or booking number. - [Vessel tracking](https://www.safecube.ai/resource/vessel-tracking): Search any vessel by name, IMO or MMSI. Live AIS position, destination and ETA with a free account. - [Port congestion tracker](https://www.safecube.ai/resource/port-congestion-tool): Real-time congestion levels across 700+ ports worldwide. - [ETA calculator](https://www.safecube.ai/resource/eta-calculator): Vessel arrival time predictions from AIS and port data, no signup required. - [Demurrage and detention calculator](https://www.safecube.ai/resource/demurrage-detention-calculator): Estimate demurrage and detention fees before they are charged. - [Container load and stuffing calculator](https://www.safecube.ai/resource/load-and-stuffing-tool): Plan container loading, space and weight limits. - [CO2 emissions calculator](https://www.safecube.ai/resource/co2-emissions-tool): CO2 footprint of maritime shipments, aligned with the GLEC framework. ## Product - [How container tracking works](https://www.safecube.ai/product/container-tracking-information): Data sources, features and FAQ of the Safecube container tracking platform. - [Pricing](https://www.safecube.ai/product/pricing): Plans, shipment allowances, additional shipment prices and free trial. - [Carrier coverage](https://www.safecube.ai/product/carrier-coverage): List of supported ocean carriers. - [Alerts](https://www.safecube.ai/product/alert): Real-time alerts for delays, route deviations and key milestones. - [Analytics](https://www.safecube.ai/product/analytics): Delay detection and performance analysis from tracking data. - [Collaboration](https://www.safecube.ai/product/collaborative-features): Share real-time shipment data across stakeholders. - [Integrations](https://www.safecube.ai/integration/integrations-directory): Connect container tracking with ERP, TMS, CRM and analytics tools. ## Developers - [Developer portal](https://www.safecube.ai/developers/developers): Overview of Safecube APIs for container tracking, vessels, ports, schedules and emissions. - [Container Tracking API](https://www.safecube.ai/developers/container-tracking-api): Shipment status, milestones and ETAs across 180+ carriers. Sandbox and free trial available. - [Webhook API](https://www.safecube.ai/developers/webhook-api): Container status changes and milestones pushed to your endpoint, with signed payloads, replay and recovery for failed deliveries. - [Schedule API](https://www.safecube.ai/developers/schedule-api): Vessel schedules from 79+ shipping lines, port-to-port, by vessel IMO or by port. - [Migrating from SeaRates](https://www.safecube.ai/developers/container-migration-checker): Free checker that maps a SeaRates container tracking response to Safecube. The Safecube API can answer in a SeaRates-compatible format. - [API documentation](https://documentation.safecube.ai/docs/getting-started): Authentication, endpoints and integration guides. ## Optional - [Blog](https://www.safecube.ai/blog): Articles on container tracking, vessel tracking and port operations. - [Security policy](https://www.safecube.ai/platform/security-policy): Platform architecture, data protection and access controls.