Building a trading bot
A working stack, not a category dump: core data, enrichment. Every listing below carries its own spec sheet.
4 APIs across 2 roles
01
Core data
Weather as a commodity signal
Visual CrossingFreemium
Historical weather back 50+ years and 15-day forecasts for any address or coordinate in one timeline query.
API key · JSON
1k–10k/day
WeatherbitFreemium
Current conditions, 16-day and hourly forecasts, air quality, lightning, alerts and ag/energy degree-day data.
API key · JSON
<100/day
02
Enrichment
Long climate baselines to normalise against
NOAA Climate Data OnlineFree
Historical station observations and daily-to-yearly climate summaries from NOAA's archive, by station or area.
API key · JSON
10k+/day
Copernicus Climate Data StoreFree
ERA5 reanalysis back to 1940, seasonal forecasts and climate projections as gridded files via queued jobs.
API key · JSON
Unlimited