diff --git a/internal/credit/httpdriver/grant.go b/internal/credit/httpdriver/grant.go
index 9db4cfe17..fba13f364 100644
--- a/internal/credit/httpdriver/grant.go
+++ b/internal/credit/httpdriver/grant.go
@@ -89,7 +89,7 @@ func (h *grantHandler) ListGrants() ListGrantsHandler {
 		commonhttp.JSONResponseEncoder[[]api.EntitlementGrant],
 		httptransport.AppendOptions(
 			h.options,
-			httptransport.WithErrorEncoder(func(ctx context.Context, err error, w http.ResponseWriter) bool {
+			httptransport.WithErrorEncoder(func(ctx context.Context, err error, w http.ResponseWriter, _ *http.Request) bool {
 				if _, ok := err.(*models.GenericUserError); ok {
 					commonhttp.NewHTTPError(
 						http.StatusBadRequest,
@@ -138,7 +138,7 @@ func (h *grantHandler) VoidGrant() VoidGrantHandler {
 		commonhttp.EmptyResponseEncoder[interface{}](http.StatusNoContent),
 		httptransport.AppendOptions(
 			h.options,
-			httptransport.WithErrorEncoder(func(ctx context.Context, err error, w http.ResponseWriter) bool {
+			httptransport.WithErrorEncoder(func(ctx context.Context, err error, w http.ResponseWriter, _ *http.Request) bool {
 				if _, ok := err.(*models.GenericUserError); ok {
 					commonhttp.NewHTTPError(
 						http.StatusBadRequest,
diff --git a/internal/entitlement/httpdriver/errors.go b/internal/entitlement/httpdriver/errors.go
index ca84c134f..3dd895763 100644
--- a/internal/entitlement/httpdriver/errors.go
+++ b/internal/entitlement/httpdriver/errors.go
@@ -12,7 +12,7 @@ import (
 )
 
 func getErrorEncoder() httptransport.ErrorEncoder {
-	return func(ctx context.Context, err error, w http.ResponseWriter) bool {
+	return func(ctx context.Context, err error, w http.ResponseWriter, r *http.Request) bool {
 		// user errors
 		return commonhttp.HandleErrorIfTypeMatches[*productcatalog.FeatureNotFoundError](ctx, http.StatusNotFound, err, w) ||
 			commonhttp.HandleErrorIfTypeMatches[*entitlement.NotFoundError](ctx, http.StatusNotFound, err, w) ||
diff --git a/internal/ingest/ingestdriver/http_transport.go b/internal/ingest/ingestdriver/http_transport.go
index 60e8c7cd9..62b1f7fb2 100644
--- a/internal/ingest/ingestdriver/http_transport.go
+++ b/internal/ingest/ingestdriver/http_transport.go
@@ -127,7 +127,7 @@ type ingestEventsErrorEncoder struct {
 	CommonErrorEncoder httptransport.ErrorEncoder
 }
 
-func (e ingestEventsErrorEncoder) encode(ctx context.Context, err error, w http.ResponseWriter) bool {
+func (e ingestEventsErrorEncoder) encode(ctx context.Context, err error, w http.ResponseWriter, r *http.Request) bool {
 	if e := (ErrorInvalidContentType{}); errors.As(err, &e) {
 		models.NewStatusProblem(ctx, e, http.StatusBadRequest).Respond(w)
 
@@ -141,7 +141,7 @@ func (e ingestEventsErrorEncoder) encode(ctx context.Context, err error, w http.
 	}
 
 	if e.CommonErrorEncoder != nil {
-		return e.CommonErrorEncoder(ctx, err, w)
+		return e.CommonErrorEncoder(ctx, err, w, r)
 	}
 
 	models.NewStatusProblem(ctx, errors.New("something went wrong"), http.StatusInternalServerError).Respond(w)
diff --git a/internal/productcatalog/httpdriver/errors.go b/internal/productcatalog/httpdriver/errors.go
index c65a43d29..76b48bf50 100644
--- a/internal/productcatalog/httpdriver/errors.go
+++ b/internal/productcatalog/httpdriver/errors.go
@@ -11,7 +11,7 @@ import (
 )
 
 func getErrorEncoder() httptransport.ErrorEncoder {
-	return func(ctx context.Context, err error, w http.ResponseWriter) bool {
+	return func(ctx context.Context, err error, w http.ResponseWriter, r *http.Request) bool {
 		return commonhttp.HandleErrorIfTypeMatches[*productcatalog.FeatureNotFoundError](ctx, http.StatusNotFound, err, w) ||
 			commonhttp.HandleErrorIfTypeMatches[*productcatalog.FeatureInvalidFiltersError](ctx, http.StatusBadRequest, err, w) ||
 			commonhttp.HandleErrorIfTypeMatches[*productcatalog.FeatureInvalidMeterAggregationError](ctx, http.StatusBadRequest, err, w) ||
diff --git a/pkg/framework/transport/httptransport/handler.go b/pkg/framework/transport/httptransport/handler.go
index 566c35047..32075d165 100644
--- a/pkg/framework/transport/httptransport/handler.go
+++ b/pkg/framework/transport/httptransport/handler.go
@@ -64,7 +64,7 @@ type ResponseEncoder[Response any] func(ctx context.Context, w http.ResponseWrit
 // Users are encouraged to use custom ErrorEncoders to encode HTTP errors to
 // their clients, and will likely want to pass and check for their own error
 // types. See the example shipping/handling service.
-type ErrorEncoder func(ctx context.Context, err error, w http.ResponseWriter) bool
+type ErrorEncoder func(ctx context.Context, err error, w http.ResponseWriter, r *http.Request) bool
 
 // ErrorHandler receives a transport error to be processed for diagnostic purposes.
 // Usually this means logging the error.
@@ -85,7 +85,7 @@ func (h handler[Request, Response]) ServeHTTP(w http.ResponseWriter, r *http.Req
 		// Might be a client error (can be encoded, non-terminal)
 		// Might be a server error (terminal)
 
-		handled := h.encodeError(ctx, err, w)
+		handled := h.encodeError(ctx, err, w, r)
 		if !handled {
 			h.errorHandler.HandleContext(ctx, err)
 		}
@@ -98,7 +98,7 @@ func (h handler[Request, Response]) ServeHTTP(w http.ResponseWriter, r *http.Req
 		// Might be a client error (can be encoded, non-terminal)
 		// Might be a server error (terminal)
 
-		handled := h.encodeError(ctx, err, w)
+		handled := h.encodeError(ctx, err, w, r)
 		if !handled {
 			h.errorHandler.HandleContext(ctx, err)
 		}
@@ -114,9 +114,9 @@ func (h handler[Request, Response]) ServeHTTP(w http.ResponseWriter, r *http.Req
 	}
 }
 
-func (h handler[Request, Response]) encodeError(ctx context.Context, err error, w http.ResponseWriter) bool {
+func (h handler[Request, Response]) encodeError(ctx context.Context, err error, w http.ResponseWriter, r *http.Request) bool {
 	for _, errorEncoder := range h.errorEncoders {
-		if errorEncoder(ctx, err, w) {
+		if errorEncoder(ctx, err, w, r) {
 			return true
 		}
 	}