diff --git a/biblio-tools/examples.http b/biblio-tools/examples.http
index 412f104..3d67f28 100644
--- a/biblio-tools/examples.http
+++ b/biblio-tools/examples.http
@@ -25,7 +25,19 @@
 ]
 ###
 
+# unpaywall/corhal
+POST https://biblio-tools.services.inist.fr/v1/unpaywall/corhal?indent=true HTTP/1.1
+Content-Type: application/json
 
+[
+  { "value": "10.1016/j.fuel.2018.07.071" },
+  { "value": "10.1007/s10980-018-0699-8" },
+  { "value": "10.1159/000490004" },
+  { "value": "10.1016/j.memsci.2018.08.024"},
+  { "value": "10.1029/2018jd029272"},
+  { "value": "10.4000/edc.9014"}
+]
+###
 
 # crossref/pref/1
 POST https://biblio-tools.services.inist.fr/v1/crossref/prefixes/expand?indent=true HTTP/1.1