diff --git a/exerr/errinit.go b/exerr/errinit.go
index eadb7cc..7c2d1a2 100644
--- a/exerr/errinit.go
+++ b/exerr/errinit.go
@@ -6,12 +6,13 @@ import (
 )
 
 type ErrorPackageConfig struct {
-	ZeroLogErrTraces    bool                                             // autom print zerolog logs on .Build()  (for SevErr and SevFatal)
-	ZeroLogAllTraces    bool                                             // autom print zerolog logs on .Build()  (for all Severities)
-	RecursiveErrors     bool                                             // errors contains their Origin-Error
-	ExtendedGinOutput   bool                                             // Log extended data (trace, meta, ...) to gin in err.Output()
-	ExtendGinOutput     func(err *ExErr, json map[string]any)            // (Optionally) extend the gin output with more fields
-	ExtendGinDataOutput func(err *ExErr, depth int, json map[string]any) // (Optionally) extend the gin `__data` output with more fields
+	ZeroLogErrTraces       bool                                             // autom print zerolog logs on .Build()  (for SevErr and SevFatal)
+	ZeroLogAllTraces       bool                                             // autom print zerolog logs on .Build()  (for all Severities)
+	RecursiveErrors        bool                                             // errors contains their Origin-Error
+	ExtendedGinOutput      bool                                             // Log extended data (trace, meta, ...) to gin in err.Output()
+	IncludeMetaInGinOutput bool                                             // Log meta fields ( from e.g. `.Str(key, val).Build()` ) to gin in err.Output()
+	ExtendGinOutput        func(err *ExErr, json map[string]any)            // (Optionally) extend the gin output with more fields
+	ExtendGinDataOutput    func(err *ExErr, depth int, json map[string]any) // (Optionally) extend the gin `__data` output with more fields
 }
 
 type ErrorPackageConfigInit struct {
diff --git a/exerr/gin.go b/exerr/gin.go
index 917ccdf..4f2c756 100644
--- a/exerr/gin.go
+++ b/exerr/gin.go
@@ -8,7 +8,7 @@ import (
 	"time"
 )
 
-func (ee *ExErr) toJson(depth int, applyExtendListener bool) langext.H {
+func (ee *ExErr) toJson(depth int, applyExtendListener bool, outputMeta bool) langext.H {
 	ginJson := langext.H{}
 
 	if ee.UniqueID != "" {
@@ -39,7 +39,15 @@ func (ee *ExErr) toJson(depth int, applyExtendListener bool) langext.H {
 		ginJson["wrappedErrType"] = ee.WrappedErrType
 	}
 	if ee.OriginalError != nil {
-		ginJson["original"] = ee.OriginalError.toJson(depth+1, applyExtendListener)
+		ginJson["original"] = ee.OriginalError.toJson(depth+1, applyExtendListener, outputMeta)
+	}
+
+	if outputMeta {
+		metaJson := langext.H{}
+		for metaKey, metaVal := range ee.Meta {
+			metaJson[metaKey] = metaVal.rawValueForJson()
+		}
+		ginJson["meta"] = metaJson
 	}
 
 	if applyExtendListener {
@@ -55,7 +63,8 @@ func (ee *ExErr) toJson(depth int, applyExtendListener bool) langext.H {
 // Parameters:
 //   - [applyExtendListener]:  if false the pkgconfig.ExtendGinOutput / pkgconfig.ExtendGinDataOutput will not be applied
 //   - [includeWrappedErrors]: if false we do not include the recursive/wrapped errors in `__data`
-func (ee *ExErr) ToAPIJson(applyExtendListener bool, includeWrappedErrors bool) langext.H {
+//   - [includeMetaFields]:    if true  we also include meta-values (aka from `.Str(key, value).Build()`), needs includeWrappedErrors=true
+func (ee *ExErr) ToAPIJson(applyExtendListener bool, includeWrappedErrors bool, includeMetaFields bool) langext.H {
 
 	apiOutput := langext.H{
 		"errorid":   ee.UniqueID,
@@ -65,7 +74,7 @@ func (ee *ExErr) ToAPIJson(applyExtendListener bool, includeWrappedErrors bool)
 	}
 
 	if includeWrappedErrors {
-		apiOutput["__data"] = ee.toJson(0, applyExtendListener)
+		apiOutput["__data"] = ee.toJson(0, applyExtendListener, includeMetaFields)
 	}
 
 	if applyExtendListener {
@@ -97,7 +106,7 @@ func (ee *ExErr) Output(g *gin.Context) {
 		statuscode = *baseType.DefaultStatusCode
 	}
 
-	ginOutput := ee.ToAPIJson(true, pkgconfig.ExtendedGinOutput)
+	ginOutput := ee.ToAPIJson(true, pkgconfig.ExtendedGinOutput, pkgconfig.IncludeMetaInGinOutput)
 
 	g.Render(statuscode, json.GoJsonRender{Data: ginOutput, NilSafeSlices: true, NilSafeMaps: true})
 }
diff --git a/exerr/meta.go b/exerr/meta.go
index 4bd1393..102d0da 100644
--- a/exerr/meta.go
+++ b/exerr/meta.go
@@ -585,6 +585,40 @@ func (v MetaValue) ValueString() string {
 	return "(err)"
 }
 
+// rawValueForJson returns most-of-the-time the `Value` field
+// but for some datatyes we do special processing
+// all, so we can pluck the output value in json.Marshal without any suprises
+func (v MetaValue) rawValueForJson() any {
+	if v.DataType == MDTAny {
+		if v.Value.(AnyWrap).IsNil {
+			return nil
+		}
+		return v.Value.(AnyWrap).Serialize()
+	}
+	if v.DataType == MDTID {
+		if v.Value.(IDWrap).IsNil {
+			return nil
+		}
+		return v.Value.(IDWrap).Value
+	}
+	if v.DataType == MDTBytes {
+		return hex.EncodeToString(v.Value.([]byte))
+	}
+	if v.DataType == MDTDuration {
+		return v.Value.(time.Duration).String()
+	}
+	if v.DataType == MDTTime {
+		return v.Value.(time.Time).Format(time.RFC3339Nano)
+	}
+	if v.DataType == MDTObjectID {
+		return v.Value.(primitive.ObjectID).Hex()
+	}
+	if v.DataType == MDTNil {
+		return nil
+	}
+	return v.Value
+}
+
 func (mm MetaMap) FormatOneLine(singleMaxLen int) string {
 	r := ""
 
diff --git a/goextVersion.go b/goextVersion.go
index 46c0ef6..2db1c9e 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.232"
+const GoextVersion = "0.0.233"
 
-const GoextVersionTimestamp = "2023-08-08T18:01:00+0200"
+const GoextVersionTimestamp = "2023-08-09T10:37:59+0200"