diff --git a/packages/common/src/error.ts b/packages/common/src/error.ts
index f26ad8dc6..a638443fc 100644
--- a/packages/common/src/error.ts
+++ b/packages/common/src/error.ts
@@ -13,7 +13,9 @@
 // limitations under the License.
 
 import { type TranslationKey, i18n as i18next } from "@prosopo/locale";
+import { ZodError } from "zod";
 import { type LogLevel, type Logger, getLoggerDefault } from "./index.js";
+import type { ApiJsonError } from "./types.js";
 
 type BaseErrorOptions<ContextType> = {
 	name?: string;
@@ -176,3 +178,36 @@ export class ProsopoApiError extends ProsopoBaseError<ApiContextParams> {
 		this.code = code;
 	}
 }
+
+export const unwrapError = (err: ProsopoApiError | SyntaxError | ZodError) => {
+	const code = "code" in err ? err.code : 400;
+	let message = err.message;
+	let jsonError: ApiJsonError = { code, message };
+	let statusMessage = err.message;
+	jsonError.message = message;
+	// unwrap the errors to get the actual error message
+	while (err instanceof ProsopoBaseError && err.context) {
+		// base error will not have a translation key
+		jsonError.code =
+			err.context.translationKey || err.translationKey || jsonError.code;
+		jsonError.message = err.message;
+		if (err.context.error) {
+			err = err.context.error;
+		} else {
+			break;
+		}
+	}
+
+	if (err instanceof ZodError) {
+		message = i18next.t("CAPTCHA.PARSE_ERROR");
+		statusMessage = message;
+		if (typeof err.message === "object") {
+			jsonError = err.message;
+		} else {
+			jsonError.message = JSON.parse(err.message);
+		}
+	}
+
+	jsonError.code = jsonError.code || code;
+	return { code, statusMessage, jsonError };
+};
diff --git a/packages/common/src/index.ts b/packages/common/src/index.ts
index 3211006c8..81107a130 100644
--- a/packages/common/src/index.ts
+++ b/packages/common/src/index.ts
@@ -17,3 +17,4 @@ export * from "./logger.js";
 export * from "./array.js";
 export * from "./hash.js";
 export * from "./string.js";
+export * from "./types.js";
diff --git a/packages/common/src/types.ts b/packages/common/src/types.ts
new file mode 100644
index 000000000..2a3b33a4c
--- /dev/null
+++ b/packages/common/src/types.ts
@@ -0,0 +1,4 @@
+export type ApiJsonError = {
+	message: string;
+	code: number;
+};
diff --git a/packages/provider/src/api/errorHandler.ts b/packages/provider/src/api/errorHandler.ts
index b192942a9..f87ba4d97 100644
--- a/packages/provider/src/api/errorHandler.ts
+++ b/packages/provider/src/api/errorHandler.ts
@@ -12,11 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 // We need the unused params to make express recognise this function as an error handler
-import { type ProsopoApiError, ProsopoBaseError } from "@prosopo/common";
-import { i18n as i18next } from "@prosopo/locale";
-import type { ApiJsonError } from "@prosopo/types";
+import { type ProsopoApiError, unwrapError } from "@prosopo/common";
 import type { NextFunction, Request, Response } from "express";
-import { ZodError } from "zod";
+import type { ZodError } from "zod";
 
 export const handleErrors = (
 	err: ProsopoApiError | SyntaxError | ZodError,
@@ -31,36 +29,3 @@ export const handleErrors = (
 	response.send({ error: jsonError });
 	response.end();
 };
-
-export const unwrapError = (err: ProsopoApiError | SyntaxError | ZodError) => {
-	const code = "code" in err ? err.code : 400;
-	let message = err.message;
-	let jsonError: ApiJsonError = { code, message };
-	let statusMessage = err.message;
-	jsonError.message = message;
-	// unwrap the errors to get the actual error message
-	while (err instanceof ProsopoBaseError && err.context) {
-		// base error will not have a translation key
-		jsonError.code =
-			err.context.translationKey || err.translationKey || jsonError.code;
-		jsonError.message = err.message;
-		if (err.context.error) {
-			err = err.context.error;
-		} else {
-			break;
-		}
-	}
-
-	if (err instanceof ZodError) {
-		message = i18next.t("CAPTCHA.PARSE_ERROR");
-		statusMessage = message;
-		if (typeof err.message === "object") {
-			jsonError = err.message;
-		} else {
-			jsonError.message = JSON.parse(err.message);
-		}
-	}
-
-	jsonError.code = jsonError.code || code;
-	return { code, statusMessage, jsonError };
-};
diff --git a/packages/types/src/provider/api.ts b/packages/types/src/provider/api.ts
index f909c6050..d72330fac 100644
--- a/packages/types/src/provider/api.ts
+++ b/packages/types/src/provider/api.ts
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+import type { ApiJsonError } from "@prosopo/common";
 import type { Address4, Address6 } from "ip-address";
 import {
 	type ZodDefault,
@@ -230,11 +231,6 @@ export interface ProviderRegistered {
 	status: "Registered" | "Unregistered";
 }
 
-export type ApiJsonError = {
-	message: string;
-	code: number;
-};
-
 export interface ApiResponse {
 	[ApiParams.status]: string;
 	[ApiParams.error]?: ApiJsonError;