We welcome your feedback on our customer service form. Please use "UMLS REST API feedback" in your subject line.
Check out the Postman sample collection to help you get started using the UMLS REST API.
Download any RxNorm, SNOMED CT, or UMLS release using our download API.
https://uts-ws.nlm.nih.gov/download
?url=https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_weekly_10052022.zip
&apiKey=YOUR_API_KEY
curl example:
curl "https://uts-ws.nlm.nih.gov/download?url=https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_weekly_10052022.zip&apiKey=YOUR_API_KEY" -o RxNorm_weekly_10052022.zip
https://uts-ws.nlm.nih.gov/download
?url=https://download.nlm.nih.gov/mlb/utsauth/USExt/SnomedCT_USEditionRF2_PRODUCTION_20220901T120000Z.zip
&apiKey=YOUR_API_KEY
curl example:
curl "https://uts-ws.nlm.nih.gov/download?url=https://download.nlm.nih.gov/mlb/utsauth/USExt/SnomedCT_USEditionRF2_PRODUCTION_20220901T120000Z.zip&apiKey=YOUR_API_KEY" -o SnomedCT_USEditionRF2_PRODUCTION_20220901T120000Z.zip
https://uts-ws.nlm.nih.gov/download
?url=https://download.nlm.nih.gov/umls/kss/2022AA/umls-2022AA-full.zip
&apiKey=YOUR_API_KEY
curl example:
curl "https://uts-ws.nlm.nih.gov/download?url=https://download.nlm.nih.gov/umls/kss/2022AA/umls-2022AA-full.zip&apiKey=YOUR_API_KEY" -o umls-2022AA-full.zip