labstack · vishr · Sep 28, 2026 · Sep 28, 2026
diff --git a/site/external-baseline.json b/site/external-baseline.json
@@ -152,8 +152,8 @@
     }
   },
   "open-telemetry": {
-    "module": "github.com/labstack/echo-opentelemetry",
-    "version": "v0.0.3",
+    "module": "github.com/labstack/echo-otel/v5",
+    "version": "v5.0.0",
     "configs": {
       "Config": {
         "ServerName": {
@@ -207,6 +207,7 @@
       }
     },
     "functions": {
+      "ErrorType": "func ErrorType(code int, err error) string",
       "NewMetrics": "func NewMetrics(meter metric.Meter) (*Metrics, error)",
       "NewMiddleware": "func NewMiddleware(serverName string) echo.MiddlewareFunc",
       "NewMiddlewareWithConfig": "func NewMiddlewareWithConfig(config Config) echo.MiddlewareFunc",

diff --git a/site/external-sources.json b/site/external-sources.json
@@ -12,9 +12,9 @@
     "package": "echoprometheus"
   },
   "open-telemetry": {
-    "module": "github.com/labstack/echo-opentelemetry",
-    "version": "v0.0.3",
-    "repository": "https://github.com/labstack/echo-opentelemetry",
+    "module": "github.com/labstack/echo-otel/v5",
+    "version": "v5.0.0",
+    "repository": "https://github.com/labstack/echo-otel",
     "package": "echootel"
   }
 }
diff --git a/site/src/content/docs/es/middleware/open-telemetry.mdx b/site/src/content/docs/es/middleware/open-telemetry.mdx
@@ -7,7 +7,7 @@ sidebar:
 
 import ConfigReference from '../../../../components/ConfigReference.astro';
 
-[Echo OpenTelemetry](https://github.com/labstack/echo-opentelemetry) es un middleware que
+[Echo OpenTelemetry](https://github.com/labstack/echo-otel) es un middleware que
 proporciona instrumentación OpenTelemetry para requests HTTP.
 
 OpenTelemetry es un conjunto de herramientas open-source que proporcionan instrumentación para
@@ -22,14 +22,20 @@ aplicaciones cloud-native.
 Agrega la dependencia del middleware OpenTelemetry con Go modules:
 
 ```bash
-go get github.com/labstack/echo-opentelemetry
+go get github.com/labstack/echo-otel/v5
 ```
 
+:::note
+Las aplicaciones con Echo v4 usan `github.com/labstack/echo-otel/v4`. `github.com/labstack/echo-opentelemetry`
+es el nombre anterior de este módulo y está obsoleto; consulta
+[Migrating from echo-opentelemetry](https://github.com/labstack/echo-otel#migrating-from-echo-opentelemetry).
+:::
+
 Importa el middleware y la API de tracing de OpenTelemetry:
 
 ```go
 import (
-	echootel "github.com/labstack/echo-opentelemetry"
+	echootel "github.com/labstack/echo-otel/v5"
 	"go.opentelemetry.io/otel/trace"
 )
 ```
@@ -55,7 +61,7 @@ e.Use(echootel.NewMiddlewareWithConfig(echootel.Config{
 ```
 
 Para opciones de configuración, consulta el struct
-[`Config`](https://github.com/labstack/echo-opentelemetry/blob/main/otel.go#L28).
+[`Config`](https://github.com/labstack/echo-otel/blob/main/otel.go#L31).
 
 Agrega el middleware en forma simplificada proporcionando solo el nombre del servidor:
 
@@ -79,8 +85,8 @@ tracer, err := echo.ContextGet[trace.Tracer](c, echootel.TracerKey)
 
 ## Ejemplo
 
-El [ejemplo](https://github.com/labstack/echo-opentelemetry/blob/main/example/main.go) exporta
-metrics y spans a stdout, pero puedes usar cualquier exporter (OTLP, etc.). Consulta la
+El [ejemplo](https://github.com/labstack/echo-otel/blob/main/example/main.go) exporta
+spans a stdout, pero puedes usar cualquier exporter (OTLP, etc.). Consulta la
 documentación de [OpenTelemetry exporters](https://opentelemetry.io/docs/languages/go/exporters).
 
 ## Referencia de la API

diff --git a/site/src/content/docs/ja/middleware/open-telemetry.mdx b/site/src/content/docs/ja/middleware/open-telemetry.mdx
@@ -7,7 +7,7 @@ sidebar:
 
 import ConfigReference from '../../../../components/ConfigReference.astro';
 
-[Echo OpenTelemetry](https://github.com/labstack/echo-opentelemetry) は、HTTP リクエスト向けの
+[Echo OpenTelemetry](https://github.com/labstack/echo-otel) は、HTTP リクエスト向けの
 OpenTelemetry インストルメンテーションを提供するミドルウェアです。
 
 OpenTelemetry は、クラウドネイティブアプリケーション向けのインストルメンテーションを提供する
@@ -22,14 +22,19 @@ OpenTelemetry は、クラウドネイティブアプリケーション向けの
 Go modules で OpenTelemetry ミドルウェア依存関係を追加します。
 
 ```bash
-go get github.com/labstack/echo-opentelemetry
+go get github.com/labstack/echo-otel/v5
 ```
 
+:::note
+Echo v4 アプリケーションでは `github.com/labstack/echo-otel/v4` を使用します。`github.com/labstack/echo-opentelemetry`
+はこのモジュールの以前の名前で、非推奨です。[Migrating from echo-opentelemetry](https://github.com/labstack/echo-otel#migrating-from-echo-opentelemetry) を参照してください。
+:::
+
 ミドルウェアと OpenTelemetry trace API を import します。
 
 ```go
 import (
-	echootel "github.com/labstack/echo-opentelemetry"
+	echootel "github.com/labstack/echo-otel/v5"
 	"go.opentelemetry.io/otel/trace"
 )
 ```
@@ -54,7 +59,7 @@ e.Use(echootel.NewMiddlewareWithConfig(echootel.Config{
 }))
 ```
 
-設定オプションについては [`Config`](https://github.com/labstack/echo-opentelemetry/blob/main/otel.go#L28) struct を参照してください。
+設定オプションについては [`Config`](https://github.com/labstack/echo-otel/blob/main/otel.go#L31) struct を参照してください。
 
 サーバー名だけを指定する簡略形式でミドルウェアを追加します。
 
@@ -78,8 +83,8 @@ tracer, err := echo.ContextGet[trace.Tracer](c, echootel.TracerKey)
 
 ## 例
 
-[example](https://github.com/labstack/echo-opentelemetry/blob/main/example/main.go) は
-metrics と spans を stdout にエクスポートしますが、任意の exporter（OTLP など）を使えます。
+[example](https://github.com/labstack/echo-otel/blob/main/example/main.go) は
+spans を stdout にエクスポートしますが、任意の exporter（OTLP など）を使えます。
 [OpenTelemetry exporters](https://opentelemetry.io/docs/languages/go/exporters) ドキュメントを参照してください。
 
 ## API リファレンス

diff --git a/site/src/content/docs/middleware/open-telemetry.mdx b/site/src/content/docs/middleware/open-telemetry.mdx
@@ -7,7 +7,7 @@ sidebar:
 
 import ConfigReference from '../../../components/ConfigReference.astro';
 
-[Echo OpenTelemetry](https://github.com/labstack/echo-opentelemetry) is a middleware that
+[Echo OpenTelemetry](https://github.com/labstack/echo-otel) is a middleware that
 provides OpenTelemetry instrumentation for HTTP requests.
 
 OpenTelemetry is a set of open-source tools that provide instrumentation for cloud-native
@@ -22,14 +22,20 @@ applications.
 Add the OpenTelemetry middleware dependency with Go modules:
 
 ```bash
-go get github.com/labstack/echo-opentelemetry
+go get github.com/labstack/echo-otel/v5
 ```
 
+:::note
+Echo v4 applications use `github.com/labstack/echo-otel/v4`. `github.com/labstack/echo-opentelemetry`
+is the deprecated previous name of this module; see
+[Migrating from echo-opentelemetry](https://github.com/labstack/echo-otel#migrating-from-echo-opentelemetry).
+:::
+
 Import the middleware and the OpenTelemetry trace API:
 
 ```go
 import (
-	echootel "github.com/labstack/echo-opentelemetry"
+	echootel "github.com/labstack/echo-otel/v5"
 	"go.opentelemetry.io/otel/trace"
 )
 ```
@@ -54,7 +60,7 @@ e.Use(echootel.NewMiddlewareWithConfig(echootel.Config{
 }))
 ```
 
-For configuration options, see the [`Config`](https://github.com/labstack/echo-opentelemetry/blob/main/otel.go#L28) struct.
+For configuration options, see the [`Config`](https://github.com/labstack/echo-otel/blob/main/otel.go#L31) struct.
 
 Add the middleware in simplified form by providing only the server name:
 
@@ -78,8 +84,8 @@ tracer, err := echo.ContextGet[trace.Tracer](c, echootel.TracerKey)
 
 ## Example
 
-The [example](https://github.com/labstack/echo-opentelemetry/blob/main/example/main.go) exports
-metrics and spans to stdout, but you can use any exporter (OTLP, etc.). See the
+The [example](https://github.com/labstack/echo-otel/blob/main/example/main.go) exports
+spans to stdout, but you can use any exporter (OTLP, etc.). See the
 [OpenTelemetry exporters](https://opentelemetry.io/docs/languages/go/exporters) documentation.
 
 ## API reference

diff --git a/site/src/content/docs/pt-br/middleware/open-telemetry.mdx b/site/src/content/docs/pt-br/middleware/open-telemetry.mdx
@@ -7,7 +7,7 @@ sidebar:
 
 import ConfigReference from '../../../../components/ConfigReference.astro';
 
-[Echo OpenTelemetry](https://github.com/labstack/echo-opentelemetry) é um middleware que
+[Echo OpenTelemetry](https://github.com/labstack/echo-otel) é um middleware que
 fornece instrumentação OpenTelemetry para requests HTTP.
 
 OpenTelemetry é um conjunto de ferramentas open-source que fornecem instrumentação para aplicações
@@ -22,14 +22,20 @@ cloud-native.
 Adicione a dependência do middleware OpenTelemetry com Go modules:
 
 ```bash
-go get github.com/labstack/echo-opentelemetry
+go get github.com/labstack/echo-otel/v5
 ```
 
+:::note
+Aplicações com Echo v4 usam `github.com/labstack/echo-otel/v4`. `github.com/labstack/echo-opentelemetry`
+é o nome anterior deste módulo e está obsoleto; veja
+[Migrating from echo-opentelemetry](https://github.com/labstack/echo-otel#migrating-from-echo-opentelemetry).
+:::
+
 Importe o middleware e a API de trace do OpenTelemetry:
 
 ```go
 import (
-	echootel "github.com/labstack/echo-opentelemetry"
+	echootel "github.com/labstack/echo-otel/v5"
 	"go.opentelemetry.io/otel/trace"
 )
 ```
@@ -54,7 +60,7 @@ e.Use(echootel.NewMiddlewareWithConfig(echootel.Config{
 }))
 ```
 
-Para opções de configuração, veja a struct [`Config`](https://github.com/labstack/echo-opentelemetry/blob/main/otel.go#L28).
+Para opções de configuração, veja a struct [`Config`](https://github.com/labstack/echo-otel/blob/main/otel.go#L31).
 
 Adicione o middleware de forma simplificada fornecendo apenas o nome do servidor:
 
@@ -78,8 +84,8 @@ tracer, err := echo.ContextGet[trace.Tracer](c, echootel.TracerKey)
 
 ## Exemplo
 
-O [exemplo](https://github.com/labstack/echo-opentelemetry/blob/main/example/main.go) exporta
-métricas e spans para stdout, mas você pode usar qualquer exporter (OTLP etc.). Veja a
+O [exemplo](https://github.com/labstack/echo-otel/blob/main/example/main.go) exporta
+spans para stdout, mas você pode usar qualquer exporter (OTLP etc.). Veja a
 documentação de [OpenTelemetry exporters](https://opentelemetry.io/docs/languages/go/exporters).
 
 ## Referência da API

diff --git a/site/src/content/docs/zh-cn/middleware/open-telemetry.mdx b/site/src/content/docs/zh-cn/middleware/open-telemetry.mdx
@@ -7,7 +7,7 @@ sidebar:
 
 import ConfigReference from '../../../../components/ConfigReference.astro';
 
-[Echo OpenTelemetry](https://github.com/labstack/echo-opentelemetry) 是一个为 HTTP 请求提供
+[Echo OpenTelemetry](https://github.com/labstack/echo-otel) 是一个为 HTTP 请求提供
 OpenTelemetry 插桩的中间件。
 
 OpenTelemetry 是一组开源工具，为云原生应用提供插桩能力。
@@ -21,14 +21,19 @@ OpenTelemetry 是一组开源工具，为云原生应用提供插桩能力。
 使用 Go modules 添加 OpenTelemetry 中间件依赖：
 
 ```bash
-go get github.com/labstack/echo-opentelemetry
+go get github.com/labstack/echo-otel/v5
 ```
 
+:::note
+Echo v4 应用使用 `github.com/labstack/echo-otel/v4`。`github.com/labstack/echo-opentelemetry`
+是该模块以前的名称，已弃用；请参见 [Migrating from echo-opentelemetry](https://github.com/labstack/echo-otel#migrating-from-echo-opentelemetry)。
+:::
+
 导入中间件和 OpenTelemetry trace API：
 
 ```go
 import (
-	echootel "github.com/labstack/echo-opentelemetry"
+	echootel "github.com/labstack/echo-otel/v5"
 	"go.opentelemetry.io/otel/trace"
 )
 ```
@@ -53,7 +58,7 @@ e.Use(echootel.NewMiddlewareWithConfig(echootel.Config{
 }))
 ```
 
-配置选项请参见 [`Config`](https://github.com/labstack/echo-opentelemetry/blob/main/otel.go#L28) struct。
+配置选项请参见 [`Config`](https://github.com/labstack/echo-otel/blob/main/otel.go#L31) struct。
 
 只提供服务器名称，以简化形式添加中间件：
 
@@ -77,8 +82,8 @@ tracer, err := echo.ContextGet[trace.Tracer](c, echootel.TracerKey)
 
 ## 示例
 
-[example](https://github.com/labstack/echo-opentelemetry/blob/main/example/main.go) 会把
-metrics 和 spans 导出到 stdout，但你可以使用任何 exporter（OTLP 等）。请参见
+[example](https://github.com/labstack/echo-otel/blob/main/example/main.go) 会把
+spans 导出到 stdout，但你可以使用任何 exporter（OTLP 等）。请参见
 [OpenTelemetry exporters](https://opentelemetry.io/docs/languages/go/exporters) 文档。
 
 ## API 参考