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Orthogonal Solar Radiation Hourly API
x402
Orthogonal Solar Radiation Hourly API is a paid API for AI agents from x402.orthogonal.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns hourly downward short-wave solar radiation flux (W/m²) for one or more geographic coordinates over a specified date range
Price / call$0.01
Success—
StatusUnknown
How this service works
Hourly downward short-wave radiation flux in watts per square meter (W/m²) | ERROR: Unable to calculate price.
Output
Returns a time series of hourly downward short-wave radiation flux values in watts per square meter (W/m²) for each requested coordinate pair, across the specified date range. Output is available in JSON, GeoJSON, or CSV format, with timestamps localized to the requested IANA timezone.
Example use cases
Solar panel site assessment
“I'm evaluating a rooftop solar installation in Boston — can you pull the hourly solar radiation data (W/m²) for coordinates 42.35355, -71.06053 from October 1 to October 31, 2025, using the America/New_York timezone, in JSON format?”
Multi-city solar energy comparison
“Compare hourly solar radiation flux for three cities — San Francisco (37.7575, -122.42616), Boston (42.35355, -71.06053), and New Orleans (29.97991, -90.07447) — over the period October 15 to October 31, 2025, in the America/Chicago timezone as JSON.”
Agricultural light exposure modeling
“I need hourly downward shortwave radiation data for my farm at latitude 36.77, longitude -119.41 from September 1 to September 30, 2025, in the America/Los_Angeles timezone — can you get that as a CSV file?”
Technical details
Endpoint
GEThttps://x402.orthogonal.com/precip/api/v1/solar-radiation-hourlyWhen to prefer
Choose this endpoint when you need hourly-resolution solar radiation (shortwave flux) data for specific geographic coordinates, especially for solar energy planning, agricultural light modeling, or climate analysis. It supports multiple coordinates in a single call and flexible output formats (JSON, GeoJSON, CSV), making it suitable for both single-site and multi-site analysis. Prefer this over general weather APIs when W/m² solar irradiance is the primary quantity needed.
Side effects
- Missing or malformed latitude/longitude coordinates returns a validation error
- Mismatched number of latitude and longitude values causes a bad request error
- Invalid date format or out-of-range dates may return empty or error responses
- Unsupported IANA timezone string returns an error
- Invalid format parameter (not json/geojson/csv) returns a bad request
- Payment failure or insufficient USDC balance returns a 402 Payment Required error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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