diff --git a/dev/config/src/vite/vite.test.config.ts b/dev/config/src/vite/vite.test.config.ts
index 17a3820f29..96d4a55243 100644
--- a/dev/config/src/vite/vite.test.config.ts
+++ b/dev/config/src/vite/vite.test.config.ts
@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 import { defineConfig } from "vitest/config";
 import VitePluginCloseAndCopy from "./vite-plugin-close-and-copy.js";
 import VitePluginSourcemapExclude from "./vite-plugin-sourcemap-exclude.js";
@@ -52,6 +53,7 @@ export default function () {
 			},
 			pool: "forks", // forks is slower than 'threads' but more compatible with low-level libs (e.g. bcrypt)
 			testTimeout: 10000,
+			//disableConsoleIntercept: true,
 		},
 		plugins: [
 			VitePluginSourcemapExclude({ excludeNodeModules: true }),
diff --git a/packages/common/src/error.ts b/packages/common/src/error.ts
index a638443fc1..ee86332a03 100644
--- a/packages/common/src/error.ts
+++ b/packages/common/src/error.ts
@@ -72,6 +72,9 @@ export abstract class ProsopoBaseError<
 	private logError(logger: Logger, logLevel: LogLevel, errorName?: string) {
 		const errorParams = { error: this.message, context: this.context };
 		const errorMessage = { errorType: errorName || this.name, errorParams };
+		if (logLevel === "debug") {
+			logger.debug(this.stack);
+		}
 		logger[logLevel](errorMessage);
 	}
 }
@@ -181,15 +184,15 @@ export class ProsopoApiError extends ProsopoBaseError<ApiContextParams> {
 
 export const unwrapError = (err: ProsopoApiError | SyntaxError | ZodError) => {
 	const code = "code" in err ? err.code : 400;
-	let message = err.message;
+	let message = i18next.t(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.key =
+			err.context.translationKey || err.translationKey || "API.UNKNOWN";
 		jsonError.message = err.message;
 		if (err.context.error) {
 			err = err.context.error;
@@ -197,7 +200,6 @@ export const unwrapError = (err: ProsopoApiError | SyntaxError | ZodError) => {
 			break;
 		}
 	}
-
 	if (err instanceof ZodError) {
 		message = i18next.t("CAPTCHA.PARSE_ERROR");
 		statusMessage = message;
diff --git a/packages/common/src/types.ts b/packages/common/src/types.ts
index 2a3b33a4ca..f3c025f8a5 100644
--- a/packages/common/src/types.ts
+++ b/packages/common/src/types.ts
@@ -1,4 +1,18 @@
+// Copyright 2021-2024 Prosopo (UK) Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 export type ApiJsonError = {
 	message: string;
+	key?: string;
 	code: number;
 };
diff --git a/packages/locale/src/locales/de.json b/packages/locale/src/locales/de.json
index b9e8b101a3..94ed6f094b 100644
--- a/packages/locale/src/locales/de.json
+++ b/packages/locale/src/locales/de.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Falscher CAPTCHA-Typ",
 		"UNAUTHORIZED_ORIGIN_URL": "Nicht autorisierte Ursprungs-URL",
 		"INVALID_SITE_KEY": "Ungültiger Site-Schlüssel",
-		"INVALID_IP": "Ungültige IP"
+		"INVALID_IP": "Ungültige IP",
+		"INVALID_URL": "Ungültiger URL",
+		"INVALID_BODY": "Ungültiger Körper"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Ungültiger Parameter"
diff --git a/packages/locale/src/locales/en.json b/packages/locale/src/locales/en.json
index 975e877d80..ba5f1ede15 100644
--- a/packages/locale/src/locales/en.json
+++ b/packages/locale/src/locales/en.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Incorrect CAPTCHA type",
 		"INVALID_SITE_KEY": "Invalid site key",
 		"UNAUTHORIZED_ORIGIN_URL": "Unauthorized origin URL",
-		"INVALID_IP": "Invalid IP"
+		"INVALID_IP": "Invalid IP",
+		"INVALID_URL": "Invalid URL",
+		"INVALID_BODY": "Invalid body"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Invalid parameter"
diff --git a/packages/locale/src/locales/es.json b/packages/locale/src/locales/es.json
index d7145e10c7..026ade08bf 100644
--- a/packages/locale/src/locales/es.json
+++ b/packages/locale/src/locales/es.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Tipo di CAPTCHA errato",
 		"UNAUTHORIZED_ORIGIN_URL": "URL de origen no autorizada",
 		"INVALID_SITE_KEY": "Clave de sitio no válida",
-		"INVALID_IP": "IP no válida"
+		"INVALID_IP": "IP no válida",
+		"INVALID_URL": "URL inválida",
+		"INVALID_BODY": "Cuerpo inválido"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Parámetro inválido"
diff --git a/packages/locale/src/locales/fr.json b/packages/locale/src/locales/fr.json
index f50d99a28a..1d1664d49b 100644
--- a/packages/locale/src/locales/fr.json
+++ b/packages/locale/src/locales/fr.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Type de CAPTCHA incorrect",
 		"UNAUTHORIZED_ORIGIN_URL": "URL d'origine non autorisée",
 		"INVALID_SITE_KEY": "Clé de site non valide",
-		"INVALID_IP": "IP invalide"
+		"INVALID_IP": "IP invalide",
+		"INVALID_URL": "URL inválida",
+		"INVALID_BODY": "Cuerpo inválido"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Paramètre invalide"
diff --git a/packages/locale/src/locales/it.json b/packages/locale/src/locales/it.json
index 08aca80628..6257670c88 100644
--- a/packages/locale/src/locales/it.json
+++ b/packages/locale/src/locales/it.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Tipo di CAPTCHA errato",
 		"UNAUTHORIZED_ORIGIN_URL": "URL di origine non autorizzato",
 		"INVALID_SITE_KEY": "Chiave del sito non valida",
-		"INVALID_IP": "IP non valido"
+		"INVALID_IP": "IP non valido",
+		"INVALID_URL": "URL non valido",
+		"INVALID_BODY": "Corpo non valido"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Parametro non valido"
diff --git a/packages/locale/src/locales/pt-BR.json b/packages/locale/src/locales/pt-BR.json
index 012cfba53c..c7f11630b2 100644
--- a/packages/locale/src/locales/pt-BR.json
+++ b/packages/locale/src/locales/pt-BR.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Tipo de CAPTCHA incorreto",
 		"UNAUTHORIZED_ORIGIN_URL": "URL de origem não autorizada",
 		"INVALID_SITE_KEY": "Chave de site inválida",
-		"INVALID_IP": "IP inválido"
+		"INVALID_IP": "IP inválido",
+		"INVALID_URL": "URL inválido",
+		"INVALID_BODY": "Corpo inválido"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Parâmetro inválido"
diff --git a/packages/locale/src/locales/pt.json b/packages/locale/src/locales/pt.json
index a223830a64..cf0c0f7843 100644
--- a/packages/locale/src/locales/pt.json
+++ b/packages/locale/src/locales/pt.json
@@ -108,7 +108,9 @@
 		"INCORRECT_CAPTCHA_TYPE": "Tipo de CAPTCHA incorreto",
 		"UNAUTHORIZED_ORIGIN_URL": "URL de origem não autorizada",
 		"INVALID_SITE_KEY": "Chave de site inválida",
-		"INVALID_IP": "IP inválido"
+		"INVALID_IP": "IP inválido",
+		"INVALID_URL": "URL inválido",
+		"INVALID_BODY": "Corpo inválido"
 	},
 	"CLI": {
 		"PARAMETER_ERROR": "Parâmetro inválido"
diff --git a/packages/provider/src/api/captcha.ts b/packages/provider/src/api/captcha.ts
index 0cd896f5a7..0355a0251c 100644
--- a/packages/provider/src/api/captcha.ts
+++ b/packages/provider/src/api/captcha.ts
@@ -26,29 +26,21 @@ import {
 	type CaptchaSolutionResponse,
 	type DappUserSolutionResult,
 	GetFrictionlessCaptchaChallengeRequestBody,
-	type GetFrictionlessCaptchaResponse,
 	GetPowCaptchaChallengeRequestBody,
 	type GetPowCaptchaChallengeRequestBodyTypeOutput,
 	type GetPowCaptchaResponse,
 	type PowCaptchaSolutionResponse,
 	SubmitPowCaptchaSolutionBody,
 	type SubmitPowCaptchaSolutionBodyTypeOutput,
-	type TGetImageCaptchaChallengePathAndParams,
 } from "@prosopo/types";
-import {
-	FrictionlessToken,
-	FrictionlessTokenRecord,
-} from "@prosopo/types-database";
 import type { ProviderEnvironment } from "@prosopo/types-env";
-import { flatten, version } from "@prosopo/util";
+import { flatten } from "@prosopo/util";
 import express, { type Router } from "express";
-import { v4 as uuidv4 } from "uuid";
 import { getBotScore } from "../tasks/detection/getBotScore.js";
 import { Tasks } from "../tasks/tasks.js";
 import { getIPAddress } from "../util.js";
 import { handleErrors } from "./errorHandler.js";
 
-const NO_IP_ADDRESS = "NO_IP_ADDRESS" as const;
 const DEFAULT_FRICTIONLESS_THRESHOLD = 0.5;
 
 /**