GET /REST/approximateTerm
Summary: Approximate term matching
Operation ID: getApproximateTerm
Auth: none
Operation ID: getApproximateTerm
Auth: none
Description
Returns concepts approximately matching a query term, useful for fuzzy matching drug names.
Parameters (2)
maxEntries
(integer, query, optional)
Maximum number of results to return
term
(string, query, required)
The term to search for
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Basic approximate match for aspirin | curl |
https://rxnav.nlm.nih.gov/REST/approximateTerm?term=aspirin |
|
| Fuzzy match with limited results | curl |
https://rxnav.nlm.nih.gov/REST/approximateTerm?term=lipitor&maxEntries=5 |
|
| Partial drug name match | curl |
https://rxnav.nlm.nih.gov/REST/approximateTerm?term=acetamin&maxEntries=10 |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:51:01.953206 | 200 | 588ms | |
| 2026-03-23 10:44:05.138425 | 200 | 566ms | |
| 2026-03-23 09:18:17.969897 | 200 | 578ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:44:05.138425 | e3445d63ab3f |
9652492312d7 |
| 2026-03-23 10:51:01.953206 | 9652492312d7 |
683d2b250117 |