OpenFDA

searchWarningLetters

Free

Search FDA warning letters by company name or any keyword in the letter text (product, violation, ingredient), newest posted first. Wrap a phrase in double quotes for an exact match, e.g. "Sun Pharmaceutical". Returns issue and posting dates, issuing office, subject (violation types), a matching excerpt and the letter URL. Without a query, returns the latest posted letters.

Try it

Open in playground
kirha tools run openfda_searchWarningLetters \
  --input '{}'

Uses the key saved by kirha auth login.

  • limitinteger, default 10, 1 to 25
  • offsetinteger, default 0, 0 to 5000
  • querystring, default ""

    e.g. "compounded semaglutide", Aurobindo, data integrity