diff --git a/packages/e2e/__tests__/databases/mongo.ts b/packages/e2e/__tests__/databases/mongo.ts
index a36857993..2ee5ee99a 100644
--- a/packages/e2e/__tests__/databases/mongo.ts
+++ b/packages/e2e/__tests__/databases/mongo.ts
@@ -15,7 +15,7 @@ export class DatabaseTest implements DatabaseTestInterface {
 
   public async start() {
     (mongoose as any).Promise = global.Promise;
-    await mongoose.connect(connectionString);
+    await mongoose.connect(connectionString, { useNewUrlParser: true });
     await mongoose.connection.dropDatabase();
   }
 
diff --git a/packages/e2e/package.json b/packages/e2e/package.json
index e2d1e59e2..74a7e7779 100644
--- a/packages/e2e/package.json
+++ b/packages/e2e/package.json
@@ -44,9 +44,6 @@
     "@accounts/typeorm": "^0.19.0",
     "@accounts/types": "^0.19.0",
     "@graphql-modules/core": "0.7.11",
-    "@types/lodash": "4.14.138",
-    "@types/mongoose": "5.5.17",
-    "@types/node-fetch": "2.5.0",
     "apollo-boost": "0.4.4",
     "apollo-server": "2.9.3",
     "body-parser": "1.19.0",
diff --git a/packages/graphql-api/package.json b/packages/graphql-api/package.json
index 4a98d54b2..ecf9177a5 100644
--- a/packages/graphql-api/package.json
+++ b/packages/graphql-api/package.json
@@ -34,6 +34,7 @@
     "@gql2ts/from-schema": "1.10.1",
     "@gql2ts/types": "1.9.0",
     "@graphql-modules/core": "0.7.11",
+    "@types/graphql-type-json": "0.3.2",
     "@types/jest": "24.0.18",
     "@types/request-ip": "0.0.34",
     "concurrently": "4.1.2",
@@ -59,6 +60,7 @@
   },
   "dependencies": {
     "graphql-toolkit": "^0.5.12",
+    "graphql-type-json": "0.3.0",
     "request-ip": "2.1.3",
     "tslib": "1.10.0"
   }
diff --git a/packages/graphql-api/src/models.ts b/packages/graphql-api/src/models.ts
index 33934612c..09f93ae46 100644
--- a/packages/graphql-api/src/models.ts
+++ b/packages/graphql-api/src/models.ts
@@ -27,20 +27,6 @@ export interface TwoFactorSecretKeyInput {
   otpauth_url?: Maybe<string>;
 }
 
-export interface AuthenticateParamsInput {
-  access_token?: Maybe<string>;
-
-  access_token_secret?: Maybe<string>;
-
-  provider?: Maybe<string>;
-
-  password?: Maybe<string>;
-
-  user?: Maybe<UserInput>;
-
-  code?: Maybe<string>;
-}
-
 export interface UserInput {
   id?: Maybe<string>;
 
@@ -49,6 +35,12 @@ export interface UserInput {
   username?: Maybe<string>;
 }
 
+export type Json = any;
+
+// ====================================================
+// Scalars
+// ====================================================
+
 // ====================================================
 // Types
 // ====================================================
@@ -184,10 +176,10 @@ export interface RefreshTokensMutationArgs {
 export interface AuthenticateMutationArgs {
   serviceName: string;
 
-  params: AuthenticateParamsInput;
+  params: Json;
 }
 
-import { GraphQLResolveInfo } from 'graphql';
+import { GraphQLResolveInfo, GraphQLScalarType, GraphQLScalarTypeConfig } from 'graphql';
 
 export type Resolver<Result, Parent = {}, TContext = {}, Args = {}> = (
   parent: Parent,
@@ -498,7 +490,7 @@ export type MutationAuthenticateResolver<
 export interface MutationAuthenticateArgs {
   serviceName: string;
 
-  params: AuthenticateParamsInput;
+  params: Json;
 }
 
 export interface LoginResultResolvers<TContext = {}, TypeParent = LoginResult> {
@@ -592,6 +584,10 @@ export interface DeprecatedDirectiveArgs {
   reason?: string;
 }
 
+export interface JSONScalarConfig extends GraphQLScalarTypeConfig<Json, any> {
+  name: 'JSON';
+}
+
 export type IResolvers<TContext = {}> = {
   Query?: QueryResolvers<TContext>;
   TwoFactorSecretKey?: TwoFactorSecretKeyResolvers<TContext>;
@@ -601,6 +597,7 @@ export type IResolvers<TContext = {}> = {
   LoginResult?: LoginResultResolvers<TContext>;
   Tokens?: TokensResolvers<TContext>;
   ImpersonateReturn?: ImpersonateReturnResolvers<TContext>;
+  Json?: GraphQLScalarType;
 } & { [typeName: string]: never };
 
 export type IDirectiveResolvers<Result> = {
diff --git a/packages/graphql-api/src/modules/accounts/index.ts b/packages/graphql-api/src/modules/accounts/index.ts
index 9c95f1306..71deb36f8 100644
--- a/packages/graphql-api/src/modules/accounts/index.ts
+++ b/packages/graphql-api/src/modules/accounts/index.ts
@@ -15,6 +15,7 @@ import { AuthenticatedDirective } from '../../utils/authenticated-directive';
 import { context } from '../../utils';
 import AccountsPassword from '@accounts/password';
 import { mergeTypeDefs } from 'graphql-toolkit';
+import GraphQLJSON from 'graphql-type-json';
 
 export interface AccountsRequest {
   req: IncomingMessage;
@@ -61,6 +62,8 @@ export const AccountsModule: GraphQLModule<
     ),
   resolvers: ({ config }) =>
     ({
+      // Inject JSON custom scalar
+      JSON: GraphQLJSON,
       [config.rootQueryName || 'Query']: Query,
       [config.rootMutationName || 'Mutation']: Mutation,
       User: UserResolvers,
diff --git a/packages/graphql-api/src/modules/accounts/schema/mutation.ts b/packages/graphql-api/src/modules/accounts/schema/mutation.ts
index 647a3c85a..31ea7b89a 100644
--- a/packages/graphql-api/src/modules/accounts/schema/mutation.ts
+++ b/packages/graphql-api/src/modules/accounts/schema/mutation.ts
@@ -9,6 +9,6 @@ export default (config: AccountsModuleConfig) => gql`
 
     # Example: Login with password
     # authenticate(serviceName: "password", params: {password: "<pw>", user: {email: "<email>"}})
-    authenticate(serviceName: String!, params: AuthenticateParamsInput!): LoginResult
+    authenticate(serviceName: String!, params: JSON!): LoginResult
   }
 `;
diff --git a/packages/graphql-api/src/modules/accounts/schema/types.ts b/packages/graphql-api/src/modules/accounts/schema/types.ts
index 74354c5fa..3fcb67c0b 100644
--- a/packages/graphql-api/src/modules/accounts/schema/types.ts
+++ b/packages/graphql-api/src/modules/accounts/schema/types.ts
@@ -3,6 +3,7 @@ import { AccountsModuleConfig } from '..';
 
 export default ({ userAsInterface }: AccountsModuleConfig) => gql`
   directive @auth on FIELD_DEFINITION | OBJECT
+  scalar JSON
 
   type Tokens {
     refreshToken: String
@@ -36,19 +37,4 @@ export default ({ userAsInterface }: AccountsModuleConfig) => gql`
     email: String
     username: String
   }
-
-  input AuthenticateParamsInput {
-    # Twitter, Instagram
-    access_token: String
-    # Twitter
-    access_token_secret: String
-    # OAuth
-    provider: String
-    # Password
-    password: String
-    # Password
-    user: UserInput
-    # Two factor
-    code: String
-  }
 `;
diff --git a/packages/graphql-client/src/graphql/login-with-service.mutation.ts b/packages/graphql-client/src/graphql/login-with-service.mutation.ts
index ee7227a50..eb9642df3 100644
--- a/packages/graphql-client/src/graphql/login-with-service.mutation.ts
+++ b/packages/graphql-client/src/graphql/login-with-service.mutation.ts
@@ -1,7 +1,7 @@
 import gql from 'graphql-tag';
 
 export const loginWithServiceMutation = gql`
-  mutation($serviceName: String!, $params: AuthenticateParamsInput!) {
+  mutation($serviceName: String!, $params: JSON!) {
     authenticate(serviceName: $serviceName, params: $params) {
       sessionId
       tokens {
diff --git a/yarn.lock b/yarn.lock
index 140f5bd68..498d6272c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1364,9 +1364,9 @@
   integrity sha512-dBtBbrc+qTHy1WdfHYjBwRln4+LWqASWakLHsWHR2NWHIFkv4W3O070IGoGLEBrJBvct3r0L1BUPuvURi7kYUQ==
 
 "@types/babel__core@^7.1.0":
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.2.tgz#608c74f55928033fce18b99b213c16be4b3d114f"
-  integrity sha512-cfCCrFmiGY/yq0NuKNxIQvZFy9kY/1immpSpTngOnyIbD4+eJOG5mxphhHDv3CHL9GltO4GcKr54kGBg3RNdbg==
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.3.tgz#e441ea7df63cd080dfcd02ab199e6d16a735fc30"
+  integrity sha512-8fBo0UR2CcwWxeX7WIIgJ7lXjasFxoYgRnFHUj+hRvKkpiBJbxhdAPTCY6/ZKM0uxANFVzt4yObSLuTiTnazDA==
   dependencies:
     "@babel/parser" "^7.1.0"
     "@babel/types" "^7.0.0"
@@ -1508,6 +1508,13 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
+"@types/graphql-type-json@0.3.2":
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/@types/graphql-type-json/-/graphql-type-json-0.3.2.tgz#1a7105e6546fc1630a5db4834bfbc0eb554986e4"
+  integrity sha512-c1cq4o8EhY0Z39ua8UXwG8uBs23xBYA/Uw0tXFl6SuTUpkVv/IJqf6pHQbfdC7nwFRhX2ifTOV/UIg0Q/IJsbg==
+  dependencies:
+    graphql "^14.5.3"
+
 "@types/graphql-upload@^8.0.0":
   version "8.0.3"
   resolved "https://registry.yarnpkg.com/@types/graphql-upload/-/graphql-upload-8.0.3.tgz#b371edb5f305a2a1f7b7843a890a2a7adc55c3ec"
@@ -6615,6 +6622,11 @@ graphql-tools@4.0.4, graphql-tools@4.0.5, graphql-tools@^4.0.0, graphql-tools@^4
     iterall "^1.1.3"
     uuid "^3.1.0"
 
+graphql-type-json@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/graphql-type-json/-/graphql-type-json-0.3.0.tgz#bb32e1b74bf52ebc690f9df12b4067bc061f818a"
+  integrity sha512-lnxg5HiB95yxy+/5cDKtP6pZo0zgntsOmqsjeCBXFGJ4YoMF3+1YaSEKWJntNTu+VsAm3zf6lPxFpp1kxzofLA==
+
 graphql-upload@^8.0.2:
   version "8.0.7"
   resolved "https://registry.yarnpkg.com/graphql-upload/-/graphql-upload-8.0.7.tgz#8644264e241529552ea4b3797e7ee15809cf01a3"