A California diesel price API returns the EIA regional average. FreightPulse: GET /api/v1/fuel-prices?country=US, then the California row. This is not PortWatch congestion.
Free 100 calls/mo. Basic $49/mo.
Request
curl -H "X-API-Key: YOUR_API_KEY" "https://freightpulsehq.com/api/v1/fuel-prices?country=US"
Response: live California row (2026-10-05)
{"region": "California", "diesel": 8.181, "gasoline": 5.636, "as_of": "2026-10-05"}
Do not reuse the US national diesel 3.86 from the 5/10 post.
Go live
1. Register — Free 100 calls/mo.
2. Copy the X-API-Key.
3. GET /api/v1/fuel-prices?country=US.
4. Pick the California row and store diesel.