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Commodity prices, USDA transport data, and seasonal anomalies.

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GET /api/v1/commodity-prices

World Bank commodity benchmark prices (wheat, corn, oil, iron ore, LNG, etc.). Parameters
NameTypeRequiredDescription
commoditystringe.g. ‘wheat’, ‘crude_oil_brent’, ‘iron_ore’
sincestringISO date
limitnumberDefault 100, max 500
Response 
{ "commodity_prices": [...] }
Example 
curl -X GET \
  https://axiomoverwatch.io/api/v1/commodity-prices?commodity=VALUE&since=VALUE

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GET /api/v1/transport-data

USDA Grain Transportation Report data: barge, rail, and truck volumes. Parameters
NameTypeRequiredDescription
modestring’barge’ | ‘rail’ | ‘truck’
commoditystringCommodity filter
regionstringOrigin region (fuzzy match)
sincestringISO date
limitnumberDefault 100, max 500
Response 
{ "transport_data": [...] }
Example 
curl -X GET \
  https://axiomoverwatch.io/api/v1/transport-data?mode=VALUE&commodity=VALUE

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GET /api/v1/anomalies

Seasonal and trailing anomalies in export volumes. Parameters
NameTypeRequiredDescription
portstringPort ID
typestring’trailing’ | ‘yoy’ | ‘seasonal_avg’ | ‘seasonal_range’
severitystring’moderate’ | ‘high’ | ‘critical’
limitnumberDefault 100, max 500
Response 
{ "anomalies": [...] }
Example 
curl -X GET \
  https://axiomoverwatch.io/api/v1/anomalies?port=VALUE&type=VALUE

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GET /api/v1/anomalies/maturity

Seasonal analysis maturity levels per port (data sufficiency). Response 
{ "maturity": [...] }
Example 
curl -X GET \
  https://axiomoverwatch.io/api/v1/anomalies/maturity

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GET /api/v1/calibration

Volume estimation calibration data (per-vessel-type and self-calibrated). Response 
{ "calibration", "overrides", "self_calibrated", "manual_overrides" }
Example 
curl -X GET \
  https://axiomoverwatch.io/api/v1/calibration