diff --git a/aerr/aerr.go b/aerr/aerr.go
new file mode 100644
index 0000000..f6c4538
--- /dev/null
+++ b/aerr/aerr.go
@@ -0,0 +1,109 @@
+package aerr
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+)
+
+// Error represent a API Error. It will mainly be used in the Handler.
+type Error struct {
+	// shown in Json
+	Code    int    `json:"code"`
+	DebugId string `json:"debug_id"`
+	Msg     string `json:"message"`
+
+	// not in Json
+	httpCode int   `json:"-"`
+	origin   error `json:"-"`
+}
+
+// Error implements error interface.
+func (e *Error) Error() string {
+	s := fmt.Sprintf("Error: %d.", e.Code)
+
+	// if we have a message, add it
+	if e.Msg != "" {
+		s = fmt.Sprintf("%s Message: %s.", s, e.Msg)
+	}
+
+	// if we have an origin message, add it.
+	if e.origin != nil {
+		s = fmt.Sprintf("%s Origin Message: %s.", s, e.origin.Error())
+	}
+
+	// add debugId
+	if e.DebugId != "" {
+		s = fmt.Sprintf("%s - %s", s, e.DebugId)
+	}
+
+	return s
+}
+
+// MarshalJSON will JSON marshal an Error. It will try to get message from the origin if there is none in the current Error.
+func (e *Error) MarshalJSON() ([]byte, error) {
+	type TmpJson Error
+
+	// let's get the origin message if the current message is empty
+	if e.Msg == "" && e.origin != nil {
+		var originE *Error
+
+		if errors.As(e.origin, &originE) {
+			e.Msg = originE.Message()
+		} else {
+			e.Msg = e.origin.Error()
+		}
+	}
+
+	return json.Marshal((*TmpJson)(e))
+}
+
+// Add a bunch of setter / Getter
+
+// SetDebugID allow to overide/set a debug Id and return the error.
+func (e *Error) SetDebugID(d string) *Error {
+	e.DebugId = d
+	return e
+}
+
+// SetOrigin allow to set an origin error to the error and return that error.
+func (e *Error) SetOrigin(origin error) *Error {
+	e.origin = origin
+	return e
+}
+
+// SetMessage allow to set a message to the error and return that error.
+func (e *Error) SetMessage(msg string) *Error {
+	e.Msg = msg
+	return e
+}
+
+// SetCode allow to set a specific code to the error and return that error.
+func (e *Error) SetCode(code int) *Error {
+	e.httpCode = code
+	return e
+}
+
+// Message will get the current error Msg. If none, it will try to go to origins until finding a message.
+func (e *Error) Message() string {
+	if e.Msg == "" && e.origin != nil {
+		var originE *Error
+
+		if errors.As(e.origin, &originE) {
+			return originE.Message()
+		}
+
+		return e.origin.Error()
+	}
+	return e.Msg
+}
+
+// HttpCode will return the http code of the error.
+func (e *Error) HttpCode() int {
+	return e.httpCode
+}
+
+// Unwrap will return the origin error.
+func (e *Error) Unwrap() error {
+	return e.origin
+}
diff --git a/aerr/client.go b/aerr/client.go
new file mode 100644
index 0000000..6321cd8
--- /dev/null
+++ b/aerr/client.go
@@ -0,0 +1,425 @@
+package aerr
+
+import (
+	"fmt"
+)
+
+// NewBadRequest will generate an HTTP Error 400.
+func NewBadRequest() *Error {
+	return &Error{
+		Code:     400,
+		httpCode: 400,
+		Msg:      "Bad Request",
+	}
+}
+
+// NewBadRequestf will generate an HTTP Error 400 with a custom message.
+func NewBadRequestf(format string, a ...any) *Error {
+	aErr := NewBadRequest()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewUnauthorized will generate an HTTP Error 401.
+func NewUnauthorized() *Error {
+	return &Error{
+		Code:     401,
+		httpCode: 401,
+		Msg:      "Unauthorized",
+	}
+}
+
+// NewUnauthorizedf will generate an HTTP Error 401 with a custom message.
+func NewUnauthorizedf(format string, a ...any) *Error {
+	aErr := NewUnauthorized()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewPaymentRequired will generate an HTTP Error 402.
+func NewPaymentRequired() *Error {
+	return &Error{
+		Code:     402,
+		httpCode: 402,
+		Msg:      "Payment Required",
+	}
+}
+
+// NewPaymentRequiredf will generate an HTTP Error 402 with a custom message.
+func NewPaymentRequiredf(format string, a ...any) *Error {
+	aErr := NewPaymentRequired()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewForbidden will generate an HTTP Error 403.
+func NewForbidden() *Error {
+	return &Error{
+		Code:     403,
+		httpCode: 403,
+		Msg:      "Forbidden",
+	}
+}
+
+// NewForbiddenf will generate an HTTP Error 403 with a custom message.
+func NewForbiddenf(format string, a ...any) *Error {
+	aErr := NewForbidden()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewNotFound will generate an HTTP Error 404.
+func NewNotFound() *Error {
+	return &Error{
+		Code:     404,
+		httpCode: 404,
+		Msg:      "Not Found",
+	}
+}
+
+// NewNotFoundf will generate an HTTP Error 404 with a custom message.
+func NewNotFoundf(format string, a ...any) *Error {
+	aErr := NewNotFound()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewMethodNotAllowed will generate an HTTP Error 405.
+func NewMethodNotAllowed() *Error {
+	return &Error{
+		Code:     405,
+		httpCode: 405,
+		Msg:      "Method Not Allowed",
+	}
+}
+
+// NewMethodNotAllowedf will generate an HTTP Error 405 with a custom message.
+func NewMethodNotAllowedf(format string, a ...any) *Error {
+	aErr := NewMethodNotAllowed()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewNotAcceptable will generate an HTTP Error 406.
+func NewNotAcceptable() *Error {
+	return &Error{
+		Code:     406,
+		httpCode: 406,
+		Msg:      "Not Acceptable",
+	}
+}
+
+// NewNotAcceptablef will generate an HTTP Error 406 with a custom message.
+func NewNotAcceptablef(format string, a ...any) *Error {
+	aErr := NewNotAcceptable()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewProxyAuthenticationRequired will generate an HTTP Error 407.
+func NewProxyAuthenticationRequired() *Error {
+	return &Error{
+		Code:     407,
+		httpCode: 407,
+		Msg:      "Proxy Authentication Required",
+	}
+}
+
+// NewProxyAuthenticationRequiredf will generate an HTTP Error 407 with a custom message.
+func NewProxyAuthenticationRequiredf(format string, a ...any) *Error {
+	aErr := NewProxyAuthenticationRequired()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewRequestTimeout will generate an HTTP Error 408.
+func NewRequestTimeout() *Error {
+	return &Error{
+		Code:     408,
+		httpCode: 408,
+		Msg:      "Request Timeout",
+	}
+}
+
+// NewRequestTimeoutf will generate an HTTP Error 408 with a custom message.
+func NewRequestTimeoutf(format string, a ...any) *Error {
+	aErr := NewRequestTimeout()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewConflict will generate an HTTP Error 409.
+func NewConflict() *Error {
+	return &Error{
+		Code:     409,
+		httpCode: 409,
+		Msg:      "Conflict",
+	}
+}
+
+// NewConflictf will generate an HTTP Error 409 with a custom message.
+func NewConflictf(format string, a ...any) *Error {
+	aErr := NewConflict()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewGone will generate an HTTP Error 410.
+func NewGone() *Error {
+	return &Error{
+		Code:     410,
+		httpCode: 410,
+		Msg:      "Gone",
+	}
+}
+
+// NewGonef will generate an HTTP Error 410 with a custom message.
+func NewGonef(format string, a ...any) *Error {
+	aErr := NewGone()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewLengthRequired will generate an HTTP Error 411.
+func NewLengthRequired() *Error {
+	return &Error{
+		Code:     411,
+		httpCode: 411,
+		Msg:      "Length Required",
+	}
+}
+
+// NewLengthRequiredf will generate an HTTP Error 411 with a custom message.
+func NewLengthRequiredf(format string, a ...any) *Error {
+	aErr := NewLengthRequired()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewPreconditionFailed will generate an HTTP Error 412.
+func NewPreconditionFailed() *Error {
+	return &Error{
+		Code:     412,
+		httpCode: 412,
+		Msg:      "Precondition Failed",
+	}
+}
+
+// NewPreconditionFailedf will generate an HTTP Error 412 with a custom message.
+func NewPreconditionFailedf(format string, a ...any) *Error {
+	aErr := NewPreconditionFailed()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewPayloadTooLarge will generate an HTTP Error 413.
+func NewPayloadTooLarge() *Error {
+	return &Error{
+		Code:     413,
+		httpCode: 413,
+		Msg:      "Payload Too Large",
+	}
+}
+
+// NewPayloadTooLargef will generate an HTTP Error 413 with a custom message.
+func NewPayloadTooLargef(format string, a ...any) *Error {
+	aErr := NewPayloadTooLarge()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewURITooLong will generate an HTTP Error 414.
+func NewURITooLong() *Error {
+	return &Error{
+		Code:     414,
+		httpCode: 414,
+		Msg:      "URI Too Long",
+	}
+}
+
+// NewURITooLongf will generate an HTTP Error 414 with a custom message.
+func NewURITooLongf(format string, a ...any) *Error {
+	aErr := NewURITooLong()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewUnsupportedMediaType will generate an HTTP Error 415.
+func NewUnsupportedMediaType() *Error {
+	return &Error{
+		Code:     415,
+		httpCode: 415,
+		Msg:      "Unsupported Media Type",
+	}
+}
+
+// NewUnsupportedMediaTypef will generate an HTTP Error 415 with a custom message.
+func NewUnsupportedMediaTypef(format string, a ...any) *Error {
+	aErr := NewUnsupportedMediaType()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewRangeNotSatisfiable will generate an HTTP Error 416.
+func NewRangeNotSatisfiable() *Error {
+	return &Error{
+		Code:     416,
+		httpCode: 416,
+		Msg:      "Range Not Satisfiable",
+	}
+}
+
+// NewRangeNotSatisfiablef will generate an HTTP Error 416 with a custom message.
+func NewRangeNotSatisfiablef(format string, a ...any) *Error {
+	aErr := NewRangeNotSatisfiable()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewExpectationFailed will generate an HTTP Error 417.
+func NewExpectationFailed() *Error {
+	return &Error{
+		Code:     417,
+		httpCode: 417,
+		Msg:      "Expectation Failed",
+	}
+}
+
+// NewExpectationFailedf will generate an HTTP Error 417 with a custom message.
+func NewExpectationFailedf(format string, a ...any) *Error {
+	aErr := NewExpectationFailed()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewMisdirectedRequest will generate an HTTP Error 421.
+func NewMisdirectedRequest() *Error {
+	return &Error{
+		Code:     421,
+		httpCode: 421,
+		Msg:      "Misdirected Request",
+	}
+}
+
+// NewMisdirectedRequestf will generate an HTTP Error 421 with a custom message.
+func NewMisdirectedRequestf(format string, a ...any) *Error {
+	aErr := NewMisdirectedRequest()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewUnprocessableEntity will generate an HTTP Error 422.
+func NewUnprocessableEntity() *Error {
+	return &Error{
+		Code:     422,
+		httpCode: 422,
+		Msg:      "Unprocessable Entity",
+	}
+}
+
+// NewUnprocessableEntityf will generate an HTTP Error 422 with a custom message.
+func NewUnprocessableEntityf(format string, a ...any) *Error {
+	aErr := NewUnprocessableEntity()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewLocked will generate an HTTP Error 423.
+func NewLocked() *Error {
+	return &Error{
+		Code:     423,
+		httpCode: 423,
+		Msg:      "Locked",
+	}
+}
+
+// NewLockedf will generate an HTTP Error 423 with a custom message.
+func NewLockedf(format string, a ...any) *Error {
+	aErr := NewLocked()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewFailedDependency will generate an HTTP Error 424.
+func NewFailedDependency() *Error {
+	return &Error{
+		Code:     424,
+		httpCode: 424,
+		Msg:      "Failed Dependency",
+	}
+}
+
+// NewFailedDependencyf will generate an HTTP Error 424 with a custom message.
+func NewFailedDependencyf(format string, a ...any) *Error {
+	aErr := NewFailedDependency()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewTooEarly will generate an HTTP Error 425.
+func NewTooEarly() *Error {
+	return &Error{
+		Code:     425,
+		httpCode: 425,
+		Msg:      "Too Early",
+	}
+}
+
+// NewTooEarlyf will generate an HTTP Error 425 with a custom message.
+func NewTooEarlyf(format string, a ...any) *Error {
+	aErr := NewTooEarly()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewUpgradeRequired will generate an HTTP Error 426.
+func NewUpgradeRequired() *Error {
+	return &Error{
+		Code:     426,
+		httpCode: 426,
+		Msg:      "Upgrade Required",
+	}
+}
+
+// NewUpgradeRequiredf will generate an HTTP Error 426 with a custom message.
+func NewUpgradeRequiredf(format string, a ...any) *Error {
+	aErr := NewUpgradeRequired()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewPreconditionRequired will generate an HTTP Error 428.
+func NewPreconditionRequired() *Error {
+	return &Error{
+		Code:     428,
+		httpCode: 428,
+		Msg:      "Precondition Required",
+	}
+}
+
+// NewPreconditionRequiredf will generate an HTTP Error 428 with a custom message.
+func NewPreconditionRequiredf(format string, a ...any) *Error {
+	aErr := NewPreconditionRequired()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewTooManyRequests will generate an HTTP Error 429.
+func NewTooManyRequests() *Error {
+	return &Error{
+		Code:     429,
+		httpCode: 429,
+		Msg:      "Too Many Requests",
+	}
+}
+
+// NewTooManyRequestsf will generate an HTTP Error 429 with a custom message.
+func NewTooManyRequestsf(format string, a ...any) *Error {
+	aErr := NewTooManyRequests()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewRequestHeaderFieldsTooLarge will generate an HTTP Error 431.
+func NewRequestHeaderFieldsTooLarge() *Error {
+	return &Error{
+		Code:     431,
+		httpCode: 431,
+		Msg:      "Request Header Fields Too Large",
+	}
+}
+
+// NewRequestHeaderFieldsTooLargef will generate an HTTP Error 431 with a custom message.
+func NewRequestHeaderFieldsTooLargef(format string, a ...any) *Error {
+	aErr := NewRequestHeaderFieldsTooLarge()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewUnavailableForLegalReasons will generate an HTTP Error 451.
+func NewUnavailableForLegalReasons() *Error {
+	return &Error{
+		Code:     451,
+		httpCode: 451,
+		Msg:      "Unavailable For Legal Reasons",
+	}
+}
+
+// NewUnavailableForLegalReasonsf will generate an HTTP Error 451 with a custom message.
+func NewUnavailableForLegalReasonsf(format string, a ...any) *Error {
+	aErr := NewUnavailableForLegalReasons()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
diff --git a/aerr/client.txt b/aerr/client.txt
new file mode 100644
index 0000000..845f5f6
--- /dev/null
+++ b/aerr/client.txt
@@ -0,0 +1,28 @@
+400BadRequest Bad Request
+401Unauthorized Unauthorized
+402PaymentRequired Payment Required
+403Forbidden Forbidden
+404NotFound Not Found
+405MethodNotAllowed Method Not Allowed
+406NotAcceptable Not Acceptable
+407ProxyAuthenticationRequired Proxy Authentication Required
+408RequestTimeout Request Timeout
+409Conflict Conflict
+410Gone Gone
+411LengthRequired Length Required
+412PreconditionFailed Precondition Failed
+413PayloadTooLarge Payload Too Large
+414URITooLong URI Too Long
+415UnsupportedMediaType Unsupported Media Type
+416RangeNotSatisfiable Range Not Satisfiable
+417ExpectationFailed Expectation Failed
+421MisdirectedRequest Misdirected Request
+422UnprocessableEntity Unprocessable Entity
+423Locked Locked
+424FailedDependency Failed Dependency
+425TooEarly Too Early
+426UpgradeRequired Upgrade Required
+428PreconditionRequired Precondition Required
+429TooManyRequests Too Many Requests
+431RequestHeaderFieldsTooLarge Request Header Fields Too Large
+451UnavailableForLegalReasons Unavailable For Legal Reasons
\ No newline at end of file
diff --git a/aerr/note.txt b/aerr/note.txt
new file mode 100644
index 0000000..5c3db02
--- /dev/null
+++ b/aerr/note.txt
@@ -0,0 +1,18 @@
+IN
+(\d+)([a-zA-Z]+) (.*)
+
+OUT
+
+// New$2 will generate an HTTP Error $1.
+func New$2() *Error {
+    return &Error{
+		Code: $1,
+		httpCode: $1,
+		Msg: "$3",
+	}
+}
+// New$2f will generate an HTTP Error $1 with a custom message.
+func New$2f(format string, a ...any) *Error {
+    aErr := New$2()
+    return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
diff --git a/aerr/server.go b/aerr/server.go
new file mode 100644
index 0000000..39ae82b
--- /dev/null
+++ b/aerr/server.go
@@ -0,0 +1,155 @@
+package aerr
+
+import (
+	"fmt"
+)
+
+// NewInternalServerError will generate an HTTP Error 500.
+func NewInternalServerError() *Error {
+	return &Error{
+		Code:     500,
+		httpCode: 500,
+		Msg:      "Internal Server Error",
+	}
+}
+
+// NewInternalServerErrorf will generate an HTTP Error 500 with a custom message.
+func NewInternalServerErrorf(format string, a ...any) *Error {
+	aErr := NewInternalServerError()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewNotImplemented will generate an HTTP Error 501.
+func NewNotImplemented() *Error {
+	return &Error{
+		Code:     501,
+		httpCode: 501,
+		Msg:      "Not Implemented",
+	}
+}
+
+// NewNotImplementedf will generate an HTTP Error 501 with a custom message.
+func NewNotImplementedf(format string, a ...any) *Error {
+	aErr := NewNotImplemented()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewBadGateway will generate an HTTP Error 502.
+func NewBadGateway() *Error {
+	return &Error{
+		Code:     502,
+		httpCode: 502,
+		Msg:      "Bad Gateway",
+	}
+}
+
+// NewBadGatewayf will generate an HTTP Error 502 with a custom message.
+func NewBadGatewayf(format string, a ...any) *Error {
+	aErr := NewBadGateway()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewServiceUnavailable will generate an HTTP Error 503.
+func NewServiceUnavailable() *Error {
+	return &Error{
+		Code:     503,
+		httpCode: 503,
+		Msg:      "Service Unavailable",
+	}
+}
+
+// NewServiceUnavailablef will generate an HTTP Error 503 with a custom message.
+func NewServiceUnavailablef(format string, a ...any) *Error {
+	aErr := NewServiceUnavailable()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewGatewayTimeout will generate an HTTP Error 504.
+func NewGatewayTimeout() *Error {
+	return &Error{
+		Code:     504,
+		httpCode: 504,
+		Msg:      "Gateway Timeout",
+	}
+}
+
+// NewGatewayTimeoutf will generate an HTTP Error 504 with a custom message.
+func NewGatewayTimeoutf(format string, a ...any) *Error {
+	aErr := NewGatewayTimeout()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewHTTPVersionNotSupported will generate an HTTP Error 505.
+func NewHTTPVersionNotSupported() *Error {
+	return &Error{
+		Code:     505,
+		httpCode: 505,
+		Msg:      "HTTP Version Not Supported",
+	}
+}
+
+// NewHTTPVersionNotSupportedf will generate an HTTP Error 505 with a custom message.
+func NewHTTPVersionNotSupportedf(format string, a ...any) *Error {
+	aErr := NewHTTPVersionNotSupported()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewVariantAlsoNegotiates will generate an HTTP Error 506.
+func NewVariantAlsoNegotiates() *Error {
+	return &Error{
+		Code:     506,
+		httpCode: 506,
+		Msg:      "Variant Also Negotiates",
+	}
+}
+
+// NewVariantAlsoNegotiatesf will generate an HTTP Error 506 with a custom message.
+func NewVariantAlsoNegotiatesf(format string, a ...any) *Error {
+	aErr := NewVariantAlsoNegotiates()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewInsufficientStorage will generate an HTTP Error 507.
+func NewInsufficientStorage() *Error {
+	return &Error{
+		Code:     507,
+		httpCode: 507,
+		Msg:      "Insufficient Storage",
+	}
+}
+
+// NewInsufficientStoragef will generate an HTTP Error 507 with a custom message.
+func NewInsufficientStoragef(format string, a ...any) *Error {
+	aErr := NewInsufficientStorage()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewLoopDetected will generate an HTTP Error 508.
+func NewLoopDetected() *Error {
+	return &Error{
+		Code:     508,
+		httpCode: 508,
+		Msg:      "Loop Detected",
+	}
+}
+
+// NewLoopDetectedf will generate an HTTP Error 508 with a custom message.
+func NewLoopDetectedf(format string, a ...any) *Error {
+	aErr := NewLoopDetected()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
+
+// NewNotExtended will generate an HTTP Error 510.
+func NewNotExtended() *Error {
+	return &Error{
+		Code:     510,
+		httpCode: 510,
+		Msg:      "Not Extended",
+	}
+}
+
+// NewNotExtendedf will generate an HTTP Error 510 with a custom message.
+func NewNotExtendedf(format string, a ...any) *Error {
+	aErr := NewNotExtended()
+	return aErr.SetMessage(fmt.Sprintf(format, a...))
+}
diff --git a/aerr/server.txt b/aerr/server.txt
new file mode 100644
index 0000000..6a2f860
--- /dev/null
+++ b/aerr/server.txt
@@ -0,0 +1,10 @@
+500InternalServerError Internal Server Error
+501NotImplemented Not Implemented
+502BadGateway Bad Gateway
+503ServiceUnavailable Service Unavailable
+504GatewayTimeout Gateway Timeout
+505HTTPVersionNotSupported HTTP Version Not Supported
+506VariantAlsoNegotiates Variant Also Negotiates
+507InsufficientStorage Insufficient Storage
+508LoopDetected Loop Detected
+510NotExtended Not Extended
\ No newline at end of file
diff --git a/commonctx/request_id.go b/commonctx/request_id.go
index fbb1213..e633f42 100644
--- a/commonctx/request_id.go
+++ b/commonctx/request_id.go
@@ -12,7 +12,12 @@ func AddRequestID(ctx context.Context, requestID string) context.Context {
 // GetRequestID retrieve a requestID from the context.
 func GetRequestID(ctx context.Context) *string {
 	if requestID := ctx.Value(ContextKey_RequestID); requestID != nil {
-		return requestID.(*string)
+		requestIDStr, cast := requestID.(string)
+		if !cast {
+			return nil
+		}
+
+		return &requestIDStr
 	}
 	return nil
 }
diff --git a/ginutils/constant.go b/constant/constant.go
similarity index 88%
rename from ginutils/constant.go
rename to constant/constant.go
index d88e7c2..f68b7fa 100644
--- a/ginutils/constant.go
+++ b/constant/constant.go
@@ -1,4 +1,4 @@
-package ginutils
+package constant
 
 type contextKey string
 
@@ -28,4 +28,6 @@ const (
 	LogField_Username   logField = "username"
 	LogField_IP         logField = "real_ip"
 	LogField_Duration   logField = "duration_ms"
+	LogField_Error      logField = "error"
+	LogField_ErrorCode  logField = "error_code"
 )
diff --git a/ginutils/auth.go b/ginutils/auth.go
index b2aa3f5..0e798ed 100644
--- a/ginutils/auth.go
+++ b/ginutils/auth.go
@@ -1,6 +1,8 @@
 package ginutils
 
 import (
+	"git.dev.m-and-m.ovh/mderasse/gocommon/aerr"
+	"git.dev.m-and-m.ovh/mderasse/gocommon/constant"
 	"github.com/gin-gonic/gin"
 )
 
@@ -8,15 +10,12 @@ import (
 func SimpleTokens(tokens []string, forbiddenHandler gin.HandlerFunc) gin.HandlerFunc {
 	if forbiddenHandler == nil {
 		forbiddenHandler = func(c *gin.Context) {
-			c.AbortWithStatusJSON(403, map[string]string{
-				"message": "Forbidden",
-				"debugId": c.GetString(string(ContextKey_RequestID)),
-			})
+			errorHandler(c, aerr.NewForbidden())
 		}
 	}
 	return func(c *gin.Context) {
 
-		requestToken := c.GetHeader(string(HeaderKey_Token))
+		requestToken := c.GetHeader(string(constant.HeaderKey_Token))
 		isAuthorized := false
 		for _, key := range tokens {
 			if key == requestToken {
diff --git a/ginutils/logger.go b/ginutils/logger.go
index 1574d0d..77caef7 100644
--- a/ginutils/logger.go
+++ b/ginutils/logger.go
@@ -3,6 +3,7 @@ package ginutils
 import (
 	"time"
 
+	"git.dev.m-and-m.ovh/mderasse/gocommon/constant"
 	"git.dev.m-and-m.ovh/mderasse/gocommon/webserver"
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
@@ -16,17 +17,17 @@ func Log(l *logrus.Entry) gin.HandlerFunc {
 
 		// construct default fields
 		fields := logrus.Fields{
-			string(LogField_IP): webserver.GetClientIP(c.Request),
+			string(constant.LogField_IP): webserver.GetClientIP(c.Request),
 			// Request information
-			string(LogField_Method):    c.Request.Method,
-			string(LogField_CanonPath): c.FullPath(),
-			string(LogField_Path):      c.Request.URL.String(),
-			string(LogField_RequestID): c.GetString(string(ContextKey_RequestID)),
+			string(constant.LogField_Method):    c.Request.Method,
+			string(constant.LogField_CanonPath): c.FullPath(),
+			string(constant.LogField_Path):      c.Request.URL.String(),
+			string(constant.LogField_RequestID): c.GetString(string(constant.ContextKey_RequestID)),
 		}
 
 		// create the logrus entry and add it to gin context
 		log := l.Logger.WithFields(fields)
-		c.Set(string(ContextKey_Logger), log)
+		c.Set(string(constant.ContextKey_Logger), log)
 
 		log.Info("[start]")
 
@@ -34,15 +35,15 @@ func Log(l *logrus.Entry) gin.HandlerFunc {
 
 		log.WithFields(
 			logrus.Fields{
-				string(LogField_Duration):   time.Since(start).Microseconds(),
-				string(LogField_StatusCode): c.Writer.Status(),
+				string(constant.LogField_Duration):   time.Since(start).Microseconds(),
+				string(constant.LogField_StatusCode): c.Writer.Status(),
 			}).Info("[end]")
 	}
 }
 
 // GetLogger will retrieve a logger instance from gin context and return it or return false.
 func GetLogger(c *gin.Context) (*logrus.Entry, bool) {
-	if log, exist := c.Get(string(ContextKey_Logger)); exist {
+	if log, exist := c.Get(string(constant.ContextKey_Logger)); exist {
 		return log.(*logrus.Entry), true
 	}
 
@@ -51,7 +52,7 @@ func GetLogger(c *gin.Context) (*logrus.Entry, bool) {
 
 // GetLoggerWithField will add a key and value field to the logger, update the gin context, and return the new logger.
 func GetLoggerWithField(c *gin.Context, key string, value interface{}) *logrus.Entry {
-	iLog, exist := c.Get(string(ContextKey_Logger))
+	iLog, exist := c.Get(string(constant.ContextKey_Logger))
 	if !exist {
 		panic("no logger in context")
 	}
@@ -62,13 +63,13 @@ func GetLoggerWithField(c *gin.Context, key string, value interface{}) *logrus.E
 	}
 
 	log = log.WithField(key, value)
-	c.Set(string(ContextKey_Logger), log)
+	c.Set(string(constant.ContextKey_Logger), log)
 	return log
 }
 
 // GetLoggerWithFields will add provided fields to the logger, update the gin context, and return the new logger.
 func GetLoggerWithFields(c *gin.Context, fields logrus.Fields) *logrus.Entry {
-	iLog, exist := c.Get(string(ContextKey_Logger))
+	iLog, exist := c.Get(string(constant.ContextKey_Logger))
 	if !exist {
 		panic("no logger in context")
 	}
@@ -79,6 +80,6 @@ func GetLoggerWithFields(c *gin.Context, fields logrus.Fields) *logrus.Entry {
 	}
 
 	log = log.WithFields(fields)
-	c.Set(string(ContextKey_Logger), log)
+	c.Set(string(constant.ContextKey_Logger), log)
 	return log
 }
diff --git a/ginutils/recovery.go b/ginutils/recovery.go
index f2c47f7..d9953d6 100644
--- a/ginutils/recovery.go
+++ b/ginutils/recovery.go
@@ -5,6 +5,7 @@ import (
 	"runtime/debug"
 	"strings"
 
+	"git.dev.m-and-m.ovh/mderasse/gocommon/aerr"
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
 )
@@ -15,10 +16,7 @@ import (
 func Recovery(handler gin.HandlerFunc) gin.HandlerFunc {
 	if handler == nil {
 		handler = func(c *gin.Context) {
-			c.AbortWithStatusJSON(500, map[string]string{
-				"message": "Internal Server Error",
-				"debugId": c.GetString(string(ContextKey_RequestID)),
-			})
+			errorHandler(c, aerr.NewInternalServerError())
 		}
 	}
 	return func(c *gin.Context) {
@@ -37,7 +35,6 @@ func Recovery(handler gin.HandlerFunc) gin.HandlerFunc {
 			}
 		}()
 		c.Next()
-		gin.Recovery()
 	}
 }
 
diff --git a/ginutils/requestid.go b/ginutils/requestid.go
index a4a4ea3..083310e 100644
--- a/ginutils/requestid.go
+++ b/ginutils/requestid.go
@@ -1,6 +1,7 @@
 package ginutils
 
 import (
+	"git.dev.m-and-m.ovh/mderasse/gocommon/constant"
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 )
@@ -10,16 +11,16 @@ import (
 func RequestID() gin.HandlerFunc {
 	return func(c *gin.Context) {
 
-		requestID := c.GetHeader(string(HeaderKey_RequestID))
+		requestID := c.GetHeader(string(constant.HeaderKey_RequestID))
 		if _, err := uuid.Parse(requestID); err != nil {
 			// no request ID or invalid. let's generate a new one
 			requestID = uuid.New().String()
 		}
 
 		// Adding to context
-		c.Set(string(ContextKey_RequestID), requestID)
+		c.Set(string(constant.ContextKey_RequestID), requestID)
 		// Add request-id to the header before sending the response
-		c.Header(string(HeaderKey_RequestID), requestID)
+		c.Header(string(constant.HeaderKey_RequestID), requestID)
 		// Let's the next part run
 		c.Next()
 	}
diff --git a/ginutils/wrapper.go b/ginutils/wrapper.go
new file mode 100644
index 0000000..66c5b4e
--- /dev/null
+++ b/ginutils/wrapper.go
@@ -0,0 +1,50 @@
+package ginutils
+
+import (
+	"net/http"
+
+	"git.dev.m-and-m.ovh/mderasse/gocommon/aerr"
+	"git.dev.m-and-m.ovh/mderasse/gocommon/constant"
+	"github.com/gin-gonic/gin"
+	"github.com/sirupsen/logrus"
+)
+
+// HandlerFunc represent the type of function expected by the wrapper.
+type HandlerFunc func(*gin.Context) error
+
+// HandlerWrapper will wrap a handler to handle error.
+func HandlerWrapper(h HandlerFunc) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		err := h(c)
+		if err != nil {
+			errorHandler(c, err)
+		}
+	}
+}
+
+func errorHandler(c *gin.Context, err error) {
+	//nolint: errorlint // Ignore linter to avoid creating useless complexity in the code.
+	switch e := err.(type) {
+	case *aerr.Error:
+		log := GetLoggerWithFields(c, logrus.Fields{
+			string(constant.LogField_Error):     e.Error(),
+			string(constant.LogField_ErrorCode): e.Code,
+		})
+		log.Warn("An error occurred")
+		if e.DebugId == "" {
+			e = e.SetDebugID(c.GetString(string(constant.ContextKey_RequestID)))
+		}
+		c.AbortWithStatusJSON(e.HttpCode(), e)
+	default:
+		log := GetLoggerWithFields(c, logrus.Fields{
+			string(constant.LogField_Error):     e.Error(),
+			string(constant.LogField_ErrorCode): "500",
+		})
+		log.Warn("An error occurred")
+		c.AbortWithStatusJSON(http.StatusInternalServerError, aerr.Error{
+			Msg:     e.Error(),
+			Code:    500,
+			DebugId: c.GetString(string(constant.ContextKey_RequestID)),
+		})
+	}
+}
diff --git a/go.mod b/go.mod
index b4da9bd..7738135 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2
 	github.com/gemnasium/logrus-graylog-hook/v3 v3.1.1
 	github.com/gin-gonic/gin v1.9.1
-	github.com/google/uuid v1.3.0
+	github.com/google/uuid v1.3.1
 	github.com/juju/errors v1.0.0
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible
 	github.com/sirupsen/logrus v1.9.3
@@ -27,7 +27,7 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.15.0 // indirect
+	github.com/go-playground/validator/v10 v10.15.1 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/jonboulle/clockwork v0.3.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
diff --git a/go.sum b/go.sum
index 700ff0d..3469f25 100644
--- a/go.sum
+++ b/go.sum
@@ -32,8 +32,8 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.15.0 h1:nDU5XeOKtB3GEa+uB7GNYwhVKsgjAR7VgKoNB6ryXfw=
-github.com/go-playground/validator/v10 v10.15.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
+github.com/go-playground/validator/v10 v10.15.1 h1:BSe8uhN+xQ4r5guV/ywQI4gO59C2raYcGffYWZEjZzM=
+github.com/go-playground/validator/v10 v10.15.1/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
@@ -41,8 +41,8 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.3.1 h1:KjJaJ9iWZ3jOFZIf1Lqf4laDRCasjl0BCmnEGxkdLb4=
+github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/jonboulle/clockwork v0.3.0 h1:9BSCMi8C+0qdApAp4auwX0RkLGUjs956h0EkuQymUhg=
 github.com/jonboulle/clockwork v0.3.0/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=