GET questions/{ids}stackexchange.com:mathoverflow-api
Retrieves multiple MathOverflow questions by their IDs in a single request. The `{ids}` parameter accepts a semicolon-separated list of question IDs. Returns full question details for each ID. Use this to batch-fetch questions after discovering their IDs from search results or other sources — more efficient than calling `/questions/{id}` repeatedly.
Returns questions identified by specific IDs
- `site=mathoverflow` is required - `{ids}` is semicolon-separated list of numeric question IDs (e.g., `1;2;3`) - Maximum IDs per request varies but generally keep under 100 - Order of results may not match order of IDs in request - Returns only found questions — missing IDs are silently skipped - Use with `/questions` to first get IDs, then batch-fetch details
(string, query, optional)
Filter to apply to results
(string, path, required)
Semicolon delimited list of question IDs
(string, query, optional)
API key for higher rate limits
(integer, query, optional, default: 1)
Page number for pagination
(integer, query, optional, default: 30)
Number of items per page (max 100)
Constraints: {'maximum': 100}
(string, query, required, default: mathoverflow)
Site to query (mathoverflow for MathOverflow)
| Title | Type | URL | Action |
|---|---|---|---|
| Get single question by ID | curl |
https://api.stackexchange.com/2.3/questions/1?site=mathoverflow |
|
| Get multiple questions with semicolon-delimited IDs | curl |
https://api.stackexchange.com/2.3/questions/1;2;3?site=mathoverflow |
|
| Get question with body content using filter | curl |
https://api.stackexchange.com/2.3/questions/12345?site=mathoverflow&filter=withbody |
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:32:13.689269 | 200 | 257ms | |
| 2026-03-23 09:40:55.108560 | 200 | 294ms | |
| 2026-03-23 09:13:42.672831 | 200 | 270ms |
| When | Old | New |
|---|---|---|
| 2026-03-23 09:40:55.108560 | f1aa71722898 |
ca0775bdbc2f |
| 2026-03-23 10:32:13.689269 | ca0775bdbc2f |
f71d241b0378 |