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+# Handling Delimited Path Parameters
+
+Tapir allows you to handle complex path parameters, such as lists of custom types separated by delimiters (e.g., commas).
+This can be achieved using `Codec.delimited`, which facilitates the serialization and deserialization of delimited lists
+within path segments.
+
+## Use Case
+
+Suppose you want to define an endpoint that accepts a list of names as a comma-separated path parameter. Each name should
+adhere to a specific pattern (e.g., only uppercase letters).
+
+## Implementation Steps:
+
+### 1. Define the Custom Type and Validator
+Start by defining your custom type and the associated validator to enforce the desired pattern.
+
+```scala mdoc:compile-only
+import sttp.tapir._
+import sttp.tapir.generic.auto._
+import sttp.tapir.Codec
+import sttp.tapir.Validator
+import sttp.tapir.CodecFormat.TextPlain
+import sttp.tapir.model.Delimited
+
+case class Name(value: String)
+
+// Validator to ensure names consist of uppercase letters only
+val nameValidator: Validator[String] = Validator.pattern("^[A-Z]+$")
+```
+
+### 2. Create Codecs for the Custom Type and Delimited List
+Utilize `Codec.parsedString` for individual `Name` instances and `Codec.delimited` for handling the list.
+
+```scala
+// Codec for single Name
+given Codec[String, Name, TextPlain] = Codec.parsedString(Name.apply)
+  .validate(nameValidator.contramap(_.value))
+
+// Codec for a list of Names, delimited by commas
+given Codec[String, Delimited[",", Name], TextPlain] = Codec.delimited
+```
+
+### 3. Define the Endpoint with Delimited Path Parameter
+Incorporate the delimited codec into your endpoint definition to handle the list of names in the path.
+
+```scala mdoc:compile-only
+import sttp.tapir._
+import sttp.tapir.generic.auto._
+import sttp.tapir.Codec
+import sttp.tapir.Validator
+import sttp.tapir.CodecFormat.TextPlain
+import sttp.tapir.model.Delimited
+
+case class Name(value: String)
+
+// Validator to ensure names consist of uppercase letters only
+val nameValidator: Validator[String] = Validator.pattern("^[A-Z]+$")
+
+// Codec for single Name
+given Codec[String, Name, TextPlain] = Codec.parsedString(Name.apply)
+        .validate(nameValidator.contramap(_.value))
+
+// Codec for a list of Names, delimited by commas
+given Codec[String, Delimited[",", Name], TextPlain] = Codec.delimited
+
+val getUserEndpoint =
+  endpoint.get
+    .in("user" / path[Delimited[",", Name]]("id"))
+    .out(stringBody)
+```
+
+### 4. Generated OpenAPI Schema
+When you generate the OpenAPI documentation for this endpoint, the schema for the `id` path parameter will
+correctly reflect it as an array with the specified pattern for each item.
+
+```yaml
+paths:
+  /user/{id}:
+    get:
+      operationId: getUserId
+      parameters:
+        - name: id
+          in: path
+          required: true
+          schema:
+            type: array
+            items:
+              type: string
+              pattern: ^[A-Z]+$
+```
+
+## Explanation
+- `Codec.parsedString`: Transforms a `String` into a custom type (`Name`) and vice versa. It also applies validation to
+  ensure each `Name` adheres to the specified pattern.
+- `Codec.delimited`: Handles the serialization and deserialization of a delimited list (e.g., comma-separated) of the
+  custom type. By specifying `Delimited[",", Name]`, Tapir knows how to split and join the list based on the delimiter.
+- Endpoint Definition: The `path[List[Name]]("id")` indicates that the id path parameter should be treated as a list of
+  `Name` objects, utilizing the previously defined codecs.
+
+## Validation
+Validators play a crucial role in ensuring that each element within the delimited list meets the required criteria. In
+this example, `nameValidator` ensures that each `Name` consists solely of uppercase letters. Tapir applies this validation
+to each element in the list, providing robust input validation.
\ No newline at end of file
diff --git a/doc/index.md b/doc/index.md
index 9fe3f0bbe4..b57ef23384 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -156,6 +156,7 @@ sttp is a family of Scala HTTP-related projects, and currently includes:
    
    examples
    external
+   how-tos/delimited-path-parameters
 
 .. toctree::
    :maxdepth: 2