diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2bbae86c..25ccbc96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ The format is roughly based on [Keep a Changelog](https://keepachangelog.com/en/
 
 ### Changed
 
+- Change billing currency from EUR to credits ([#96](https://github.com/Open-EO/openeo-aggregator/issues/96))
+
 ### Fixed
 
 - Merging of collection metadata produced duplicate entries in `links`: [openEOPlatform/architecture-docs#266](https://github.com/openEOPlatform/architecture-docs/issues/266)
diff --git a/src/openeo_aggregator/backend.py b/src/openeo_aggregator/backend.py
index a31624fa..265fd7aa 100644
--- a/src/openeo_aggregator/backend.py
+++ b/src/openeo_aggregator/backend.py
@@ -1112,8 +1112,9 @@ def health_check(self, options: Optional[dict] = None) -> Union[str, dict, flask
 
     def capabilities_billing(self) -> dict:
         # TODO: ok to hardcode this here, or move to config?
+        # TODO #96 check that all upstream back-ends use the same currency (credits)
         return {
-            "currency": "EUR",
+            "currency": "credits",
             "plans": [
                 {
                     "name": p.name,