diff --git a/doc/cuirass.texi b/doc/cuirass.texi
index ebb1fa5..e652e8d 100644
--- a/doc/cuirass.texi
+++ b/doc/cuirass.texi
@@ -477,6 +477,10 @@ It is possible to query Cuirass web server for build informations. The
 dedicated API is "/build/@var{build-id}" where @var{build-id} is the
 unique id associated to the build in database.
 
+The build information can also be queried by output. For example,
+@samp{/output/kg9mirg6xbvzcp0a98v7326n1nvvwgsj-hello-2.10} will return
+the details of the output, along with the build if available.
+
 For instance, querying a local Cuirass web server can be done with
 @code{curl} and @code{jq} to format the JSON response :
 
diff --git a/src/cuirass/database.scm b/src/cuirass/database.scm
index ab6a4c7..308b5c3 100644
--- a/src/cuirass/database.scm
+++ b/src/cuirass/database.scm
@@ -47,6 +47,7 @@
             build-status
             db-add-build
             db-update-build-status!
+            db-get-output
             db-get-build
             db-get-builds
             db-get-builds-by-search
@@ -588,6 +589,20 @@ log file for DRV."
                             (#:event      . ,(assq-ref status-names
                                                        status)))))))))
 
+(define (db-get-output path)
+  "Retrieve the OUTPUT for PATH."
+  (with-db-critical-section db
+    ;; There isn't a unique index on path, but because Cuirass avoids adding
+    ;; derivations which introduce the same outputs, there should only be one
+    ;; result.
+    (match (sqlite-exec db "SELECT derivation, name FROM Outputs
+WHERE path =" path "
+LIMIT 1;")
+      (() #f)
+      ((#(derivation name))
+       `((#:derivation . ,derivation)
+         (#:name . ,name))))))
+
 (define (db-get-outputs derivation)
   "Retrieve the OUTPUTS of the build identified by DERIVATION in the
 database."
diff --git a/src/cuirass/http.scm b/src/cuirass/http.scm
index 7579e1a..bf436c5 100644
--- a/src/cuirass/http.scm
+++ b/src/cuirass/http.scm
@@ -226,6 +226,11 @@ Hydra format."
      404
      (format #f "Build with ID ~a doesn't exist." build-id)))
 
+  (define (respond-output-not-found output-id)
+    (respond-json-with-error
+     404
+     (format #f "Output with ID ~a doesn't exist." output-id)))
+
   (define (respond-html-eval-not-found eval-id)
     (respond-html
      (html-page "Page not found"
@@ -331,6 +336,16 @@ Hydra format."
              (#f
               (respond-build-not-found build-id)))
            (respond-build-not-found build-id))))
+    (('GET "output" id)
+     (let ((output (db-get-output
+                    (string-append (%store-prefix) "/" id))))
+       (if output
+           (let ((build (db-get-build (assq-ref output #:derivation))))
+             (respond-json
+              (object->json-string
+               (append output
+                       `((#:build . ,(or build #nil)))))))
+           (respond-output-not-found id))))
     (('GET "api" "evaluations")
      (let* ((params (request-parameters request))
             ;; 'nr parameter is mandatory to limit query size.