GET /DONKI/SEP

nasa.gov:nasa-api

Summary: Solar Energetic Particle Data
Operation ID: getSEP
Auth: api_key
Description

Retrieve Solar Energetic Particle (SEP) 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
SEP data with date range curl https://api.nasa.gov/planetary/DONKI/SEP?api_key=DEMO_KEY&startDate=2024-01-01&endDate=2024-03-01
SEP data with only API key curl https://api.nasa.gov/planetary/DONKI/SEP?api_key=DEMO_KEY
SEP data for specific event period curl https://api.nasa.gov/planetary/DONKI/SEP?api_key=DEMO_KEY&startDate=2023-05-01&endDate=2023-05-31

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:40:25.274305 404 949ms
2026-03-23 09:22:32.107454 404 808ms
2026-03-23 09:08:04.219238 404 871ms