diff --git a/dev-docs/bidders/cpmstar.md b/dev-docs/bidders/cpmstar.md
new file mode 100755
index 0000000000..0971ef58fc
--- /dev/null
+++ b/dev-docs/bidders/cpmstar.md
@@ -0,0 +1,15 @@
+---
+layout: bidder
+title: CPMStar
+description: Prebid CPMStar Bidder Adaptor
+hide: true
+biddercode: cpmstar
+media_types: banner, video
+---
+
+### Bid Params
+
+{: .table .table-bordered .table-striped }
+| Name        | Scope    | Description                     | Example                                    | Type     |
+|-------------|----------|---------------------------------|--------------------------------------------|----------|
+| `placementId` | required | The placement ID from CPMStar. | `81006` | `integer` |