GET /DONKI/FLR

nasa.gov:nasa-api

Summary: Solar Flare Data
Operation ID: getFLR
Auth: api_key
Description

Retrieve Solar Flare (FLR) data from DONKI.

Parameters (3)

api_key (string, query, required)

NASA API key. Use DEMO_KEY for testing.

endDate (string, query, optional)

End date (YYYY-MM-DD)

startDate (string, query, optional)

Start date (YYYY-MM-DD)

Examples (3)

TitleTypeURLAction
Basic solar flare request with demo key curl https://api.nasa.gov/planetary/DONKI/FLR?api_key=DEMO_KEY
Solar flares with date range (30 days) curl https://api.nasa.gov/planetary/DONKI/FLR?api_key=DEMO_KEY&startDate=2024-01-01&endDate=2024-01-31
Recent solar flares (last 7 days) curl https://api.nasa.gov/planetary/DONKI/FLR?api_key=DEMO_KEY&startDate=2024-03-01&endDate=2024-03-07

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 09:40:30.313311 404 777ms
2026-03-23 09:33:13.872806 404 823ms
2026-03-23 09:05:55.694821 404 850ms