Data

`GET` `/api/ports`

Container and cargo volume data for US ports. Includes TEU throughput, year-over-year trends, and vessel calls. Query parameters

Name	Type	Required	Default	Description
`port_slug`	string	✓		Port slug (e.g. la-lb, savannah, houston, newark, oakland).
`months`	int		`12`	Months of historical data.

Example

curl "https://axiomlocus.io/api/ports?port_slug=la-lb&months=6"

Response

{
  "port_slug": "la-lb",
  "port_name": "Port of Los Angeles / Long Beach",
  "latest_teu": 892000,
  "yoy_change_pct": 8.4,
  "monthly": [
    { "month": "2026-03", "teu": 892000, "vessel_calls": 142 },
    { "month": "2026-02", "teu": 845000, "vessel_calls": 138 },
    { "month": "2026-01", "teu": 801000, "vessel_calls": 131 }
  ]
}

Field	Type	Description
`latest_teu`	int	Most recent month’s TEU (twenty-foot equivalent unit) volume.
`yoy_change_pct`	float	Year-over-year percentage change.
`monthly`	array	Monthly volume breakdown.
`monthly[].vessel_calls`	int	Number of vessel arrivals that month.

`GET` `/api/construction`

Satellite-detected construction activity in a metro. Uses change detection on Sentinel-2 imagery to identify active sites. Query parameters

Name	Type	Required	Default	Description
`metro_slug`	string	✓		Metro slug.
`days`	int		`30`	Lookback window in days.
`min_area_sqft`	int		`5000`	Minimum detected site area in sq ft.

Example

curl "https://axiomlocus.io/api/construction?metro_slug=austin&days=60"

Response

{
  "metro": "austin",
  "days": 60,
  "total_detections": 34,
  "detections": [
    {
      "h3_index": "882a107a0bfffff",
      "center_lat": 30.2672,
      "center_lng": -97.7431,
      "estimated_area_sqft": 45000,
      "confidence": 0.91,
      "first_detected": "2026-02-15",
      "last_detected": "2026-03-28",
      "nearest_permit_id": "P-2025-9876"
    }
  ]
}

Field	Type	Description
`total_detections`	int	Number of detected active construction sites.
`detections[].estimated_area_sqft`	int	Estimated site footprint in square feet.
`detections[].confidence`	float	Detection confidence score (0-1).
`detections[].nearest_permit_id`	string	Cross-referenced building permit if matched.

Overview

Scoring

Location data

Portfolio management

Reports & exports

Platform

`GET` `/api/ports`

`GET` `/api/construction`

​GET /api/ports

​GET /api/construction

`GET` `/api/ports`

`GET` `/api/construction`