Overview
The Humanitarian Data Exchange (HDX) API provides programmatic access to thousands of open humanitarian datasets covering crises, conflicts, disasters, and development indicators worldwide, shared by UN agencies, NGOs, and governments. Registration is free and an API key is available through your HDX account. It is a powerful resource for researchers and developers working on humanitarian or global development projects.
Beginner Tip
Start by searching datasets with the /api/3/action/package_search?q= endpoint before downloading anything — it lets you filter by country, organization, or topic to find exactly what you need without browsing the full catalog.
Measurement Record
What actually happened when we called this API from our own infrastructure. Every value below was recorded by the request, not copied from the provider's documentation.
- Request
- GET https://data.humdata.org/api/3/action/package_search?q=earthquake&rows=5
- Result
- HTTP 200 · application/json · 126,175 bytes · compressed
- Response time
- 243 ms (median of 3) · fastest 234 ms
- Transport
- TLSv1.3 · TLS_AES_128_GCM_SHA256 · certificate issued by Amazon
- Browser CORS
- Allowed — Access-Control-Allow-Origin: *
- Served by
- data.humdata.org
- Recorded
- 2026-08-10
Fields Returned
Top-level fields present in the response we captured, with the type and value we actually received.
| Field | Type | Value received |
|---|---|---|
| count | integer | 1130 |
| facets | object | {0 fields} |
| expanded | object | {0 fields} |
| results | array | [1 item] |
| sort | string | score desc, last_modified desc |
| search_facets | object | {2 fields} |
| facet_pivot | object | {0 fields} |
| facet_queries | object | {0 fields} |
Captured Response
Captured from a real request to https://data.humdata.org/api/3/action/package_search?q=earthquake&rows=5 on 2026-08-10. Long arrays and nested objects are truncated to keep the shape readable.
{
"help": "https://data.humdata.org/api/3/action/help_show?name=package_search",
"success": true,
"result": {
"count": 1130,
"facets": {},
"expanded": {},
"results": [
{
"…": "(45 more fields)"
}
],
"sort": "score desc, last_modified desc",
"search_facets": {
"pivot": {},
"queries": []
},
"facet_pivot": {},
"facet_queries": {}
}
} Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://data.humdata.org/api/3/action/package_search?q=earthquake&rows=5";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
How This API Fails
We deliberately sent this API a broken request and recorded exactly what came back on 2026-08-10. Knowing the shape of an error before you hit it makes error handling much easier to write.
Returned an HTML error page rather than JSON — worth knowing if your client assumes every response can be parsed as JSON.
Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Measured Score Breakdown
Live HTTP request to the API endpoint
Fully tested on Aug 10, 2026
Technical Specifications
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