diff --git a/doc-app/docs/api/admin/domains.md b/doc-app/docs/api/admin/domains.md
index b826b86..f9cbbc6 100644
--- a/doc-app/docs/api/admin/domains.md
+++ b/doc-app/docs/api/admin/domains.md
@@ -41,8 +41,8 @@ Shorter domain names greatly enhance the efficiency and brevity of our service.
 ```
 
 ### Errors
-
 - [Not unique](../misc/errors.md#notunique)
+- [Not valid](../misc/errors.md#notvalid)
 - [Too many records](../misc/errors.md#tomanyrecords)
 
 ## GET
@@ -72,6 +72,5 @@ Get all domains
 - Url: `/api/v1/domains/{id}`
 
 ### Errors
-
 - [Not found](../misc/errors.md#errors)
 - [Is using](../misc/errors.md#isusing)
\ No newline at end of file
diff --git a/doc-app/docs/api/anonymous/redirects.md b/doc-app/docs/api/anonymous/redirects.md
index 5b36cbc..45f9e24 100644
--- a/doc-app/docs/api/anonymous/redirects.md
+++ b/doc-app/docs/api/anonymous/redirects.md
@@ -4,7 +4,6 @@ This entity records all user interactions with shortened links, collecting infor
 ### Base requirements
 - Auth: `NO`
 
-
 ## CREATE
 - Method: `POST`
 - Url: `/api/v1/redirects`
@@ -31,4 +30,51 @@ This entity records all user interactions with shortened links, collecting infor
   - len: `2 < .. < 16`
   - regex: `^[a-zA-Z]{2,16}$`
 - <u>path</u>
-  - len: `2 < .. < 16`
\ No newline at end of file
+  - len: `2 < .. < 16`
+  
+### Example
+
+```json
+{
+  "os": "windows",
+  "device": "Mobile",
+  "ip": "127.0.0.1",
+  "userKey": "41c6e485-b373-4723-a31e-3ee767367fbd",
+  "domain": "sh0.su",
+  "subdomain": "test",
+  "path": "fcaz6p"
+}
+```
+
+### Errors
+- [Not found](../misc/errors.md#errors)
+
+
+## GET
+- Method: `GET`
+- Url: `/api/v1/redirects/link?{domain}=&{path}=&{subdomain}=`
+
+> | name      | type     | data type | description                            |
+> |-----------|----------|-----------|----------------------------------------|
+> | domain    | required | string    | domain address                         |
+> | subdomain |          | string?   | subdomain address                      |
+> | path      | required | string    | url path                               |
+
+### Validation
+- <u>domain</u>
+  - len: `5 < .. < 32`
+  - regex: `^[a-z0-9]+[.:][a-z0-9]{2,}$`
+- <u>subdomain</u>
+  - len: `2 < .. < 16`
+  - regex: `^[a-zA-Z]{2,16}$`
+- <u>path</u>
+  - len: `2 < .. < 16`
+
+### Example
+
+```http
+GET {{url}}/api/v1/redirects/link?domain=sh0.su&path=ml6v1s
+```
+
+### Errors
+- [Not found](../misc/errors.md#errors)
\ No newline at end of file
diff --git a/doc-app/docs/api/misc/errors.md b/doc-app/docs/api/misc/errors.md
index 3982eae..6b39e01 100644
--- a/doc-app/docs/api/misc/errors.md
+++ b/doc-app/docs/api/misc/errors.md
@@ -29,7 +29,7 @@ The record cannot be deleted because it is referenced by other records.
 ## NotUnique
 The record cannot be created, because not unique
 - HttpCode: `409`
-- On: `POST`
+- On: `POST` `PUT`
 
 ### Example
 ```json 
@@ -49,4 +49,17 @@ The record cannot be created because the maximum count has been reached
   "error": "TOO_MANY_RECORDS",
   "maxAllowedRecords": 10
 }
+```
+
+## NotValid
+The record is invalid
+- HttpCode: `422`
+- On: `POST` `PUT`
+
+### Example
+```json 
+{ 
+  "error": "BODY_NOT_VALID",
+  "invalidFields": ["field1", "field2"]
+}
 ```
\ No newline at end of file