diff --git a/api/swagger.yaml b/api/swagger.yaml
index 189c149e40..0ea6273885 100644
--- a/api/swagger.yaml
+++ b/api/swagger.yaml
@@ -4449,6 +4449,10 @@ paths:
       responses:
         200:
           description: "no error"
+        404:
+          description: "repository does not exist or no read access"
+          schema:
+            $ref: "#/definitions/ErrorResponse"
         500:
           description: "server error"
           schema:
diff --git a/docs/api/v1.18.md b/docs/api/v1.18.md
index ec61ad7429..513415fd7a 100644
--- a/docs/api/v1.18.md
+++ b/docs/api/v1.18.md
@@ -1294,6 +1294,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error
 
 
diff --git a/docs/api/v1.19.md b/docs/api/v1.19.md
index f8d9e41ad5..08f661d3c5 100644
--- a/docs/api/v1.19.md
+++ b/docs/api/v1.19.md
@@ -1340,6 +1340,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error
 
 
diff --git a/docs/api/v1.20.md b/docs/api/v1.20.md
index aeb8f665b3..2ce535a693 100644
--- a/docs/api/v1.20.md
+++ b/docs/api/v1.20.md
@@ -1494,6 +1494,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error
 
 
diff --git a/docs/api/v1.21.md b/docs/api/v1.21.md
index 346391e5c7..0dca325ba0 100644
--- a/docs/api/v1.21.md
+++ b/docs/api/v1.21.md
@@ -1587,6 +1587,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error
 
 
diff --git a/docs/api/v1.22.md b/docs/api/v1.22.md
index 916074601b..8f5f08bb33 100644
--- a/docs/api/v1.22.md
+++ b/docs/api/v1.22.md
@@ -1785,6 +1785,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error
 
 
diff --git a/docs/api/v1.23.md b/docs/api/v1.23.md
index 0b8a529672..34250f2f2a 100644
--- a/docs/api/v1.23.md
+++ b/docs/api/v1.23.md
@@ -1821,6 +1821,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error
 
 
diff --git a/docs/api/v1.24.md b/docs/api/v1.24.md
index c31f83814b..81479c083e 100644
--- a/docs/api/v1.24.md
+++ b/docs/api/v1.24.md
@@ -1818,6 +1818,7 @@ a base64-encoded AuthConfig object.
 **Status codes**:
 
 -   **200** – no error
+-   **404** - repository does not exist or no read access
 -   **500** – server error