ReliefWeb Disasters API (UN OCHA)
UN OCHA ReliefWeb developer API exposing the global disasters list (floods, droughts and other hazards since 1981) with disaster names, types and GLIDE numbers, plus situation reports and maps.
reliefweb.int
At a glance
- Region
- Switzerland (Global)
- Coverage
- Global
- Access
- Free
- Category
- UN Organization
- Last updated
- 2026
What's inside
- disaster event
- flood
- drought
- GLIDE
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Hazard maps
Map flood-prone areas and who and what is exposed.
Because it has: flood
- 02
Model validation
Check flood models against observed events.
- 03
Drought indices
Track SPI and SPEI style indices for declarations and relief.
Because it has: drought
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Flood extent from SAR
Segment flooded areas in radar imagery, even through cloud.
- 02
Depth estimates
Learn flood depth from terrain, rainfall and past events.
- 03
Onset forecasts
Predict drought onset months ahead from climate signals.
Machine access and documentation
Open API
Keyless REST API (reliefweb.int/disasters); returns JSON disaster records since 1981.
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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