diff --git a/api/v1/swagger/definitions/vendor_interface.yaml b/api/v1/swagger/definitions/vendor_interface.yaml
new file mode 100644
index 0000000000..f23b662914
--- /dev/null
+++ b/api/v1/swagger/definitions/vendor_interface.yaml
@@ -0,0 +1,31 @@
+---
+type: object
+properties:
+  vendor_interface_id:
+    description: Internally assigned vendor interface identifier
+    type: integer
+  vendor_id:
+    description: Internally assigned vendor identifier
+    type: integer
+  type:
+    description: Type of the interface, authorised value VENDOR_INTERFACE_TYPE
+    type: string
+  name:
+    description: Name of the interface
+    type: string
+  uri:
+    description: URI of the interface
+    type: string
+  login:
+    description: Login to be used for the interface
+    type: string
+  password:
+    description: Hashed password
+    type: string
+  account_email:
+    description: Account email
+    type: string
+  notes:
+    description: Interface notes
+    type: string
+additionalProperties: false
diff --git a/api/v1/swagger/swagger.yaml b/api/v1/swagger/swagger.yaml
index 5092aa22da..fb36579cea 100644
--- a/api/v1/swagger/swagger.yaml
+++ b/api/v1/swagger/swagger.yaml
@@ -188,6 +188,8 @@ definitions:
     $ref: ./definitions/vendor.yaml
   vendor_alias:
     $ref: ./definitions/vendor_alias.yaml
+  vendor_interface:
+    $ref: ./definitions/vendor_interface.yaml
   vendor_issue:
     $ref: ./definitions/vendor_issue.yaml
   vendors_config: