diff --git a/types/chartmogul-node/chartmogul-node-tests.ts b/types/chartmogul-node/chartmogul-node-tests.ts
new file mode 100644
index 0000000000..3a09a7597c
--- /dev/null
+++ b/types/chartmogul-node/chartmogul-node-tests.ts
@@ -0,0 +1,277 @@
+import * as ChartMogul from 'chartmogul-node';
+
+const config = new ChartMogul.Config("token", "secret", "baseURL");
+config.retries = 10;
+config.getAccountToken(); // $ExpectType string
+config.getSecretKey(); // $ExpectType string
+config.VERSION; // $ExpectType string
+
+ChartMogul.Ping.ping(config); // $ExpectType Promise<string>
+
+// $ExpectType Promise<DataSource>
+ChartMogul.DataSource.create(config, {
+    name: ""
+});
+
+// $ExpectType Promise<DataSource>
+ChartMogul.DataSource.retrieve(config, "");
+
+// $ExpectType Promise<{}>
+ChartMogul.DataSource.destroy(config, "");
+
+// $ExpectType Promise<DataSources>
+ChartMogul.DataSource.all(config, {
+    name: ""
+});
+
+ChartMogul.DataSource.all(config).then(data => {
+    data.data_sources[0]; // $ExpectType DataSource
+    data.data_sources[0].name; // $ExpectType string
+});
+
+// $ExpectType Promise<Customer>
+ChartMogul.Customer.create(config, {
+    data_source_uuid: "",
+    name: "",
+    external_id: "",
+    attributes: {
+		tags: ["important", "Prio1"],
+		custom: [
+			{type: "String", key: "channel", value: "Facebook", source: "integration"},
+			{type: "Integer", key: "age", value: 18}
+		]
+	}
+});
+
+// $ExpectType Promise<Customer>
+ChartMogul.Customer.retrieve(config, "");
+
+// $ExpectType Promise<Customer>
+ChartMogul.Customer.modify(config, "", {});
+
+// $ExpectType Promise<{}>
+ChartMogul.Customer.destroy(config, "");
+
+// $ExpectType Promise<Entries<Customer>>
+ChartMogul.Customer.all(config, {
+    data_source_uuid: ""
+});
+
+ChartMogul.Customer.all(config).then(data => {
+    data.entries[0]; // $ExpectType Customer
+    data.entries[0].attributes!.stripe!['something']; // $ExpectType any
+    data.page!; // $ExpectType number
+});
+
+// $ExpectType Promise<Entries<Customer>>
+ChartMogul.Customer.search(config, {
+    email: ""
+});
+// $ExpectType Promise<{}>
+ChartMogul.Customer.merge(config, {
+    from: {customer_uuid: ""},
+    into: {customer_uuid: ""}
+});
+// $ExpectType Promise<Attributes>
+ChartMogul.Customer.attributes(config, "");
+
+// $ExpectType Promise<Plan>
+ChartMogul.Plan.create(config, {
+    data_source_uuid: "",
+    name: "",
+    interval_count: 1,
+    interval_unit: "",
+    external_id: ""
+});
+
+// $ExpectType Promise<Plan>
+ChartMogul.Plan.retrieve(config, "");
+
+// $ExpectType Promise<Plan>
+ChartMogul.Plan.modify(config, "", {
+    name: ""
+});
+
+// $ExpectType Promise<{}>
+ChartMogul.Plan.destroy(config, "");
+
+ChartMogul.Plan.all(config, {
+    page: 1
+}).then(data => {
+    data.plans[0]; // $ExpectType Plan
+    data.plans[0].name!; // $ExpectType string
+    data.page!; // $ExpectType number
+});
+
+// $ExpectType Promise<Invoice>
+ChartMogul.Invoice.retrieve(config, "");
+
+// $ExpectType Promise<Invoice>
+ChartMogul.Invoice.create(config, "", {
+    invoices: [
+        {
+            external_id: ""
+        }
+    ]
+});
+
+// $ExpectType Promise<{}>
+ChartMogul.Invoice.destroy(config, "");
+ChartMogul.Invoice.all(config, {
+    external_id: ""
+}).then(data => {
+    data.invoices[0]; // $ExpectType Invoice
+    data.invoices[0].uuid!; // $ExpectType string
+    data.page!; // $ExpectType number
+});
+
+ChartMogul.Invoice.all(config, "", {
+    page: 1
+}).then(data => {
+    data.customer_uuid!; // $ExpectType string
+    data.invoices[0]; // $ExpectType Invoice
+    data.invoices[0].uuid!; // $ExpectType string
+    data.page!; // $ExpectType number
+});
+
+// $ExpectType Promise<Transaction>
+ChartMogul.Transaction.create(config, "", {
+    type: "",
+    date: "",
+    result: ""
+});
+
+ChartMogul.Subscription.all(config, "", {
+    page: 1
+}).then(data => {
+    data.customer_uuid!; // $ExpectType string
+    data.subscriptions[0]; // $ExpectType Subscription
+    data.subscriptions[0].uuid; // $ExpectType string
+    data.current_page!; // $ExpectType number
+});
+
+ChartMogul.Subscription.cancel(config, "", {
+    cancelled_at: ""
+}).then(data => {
+    data.customer_uuid; // $ExpectType string
+});
+
+// $ExpectType Promise<Entries<Customer>>
+ChartMogul.Tag.add(config, "", {
+    email: "",
+    tags: [""]
+});
+
+// $ExpectType Promise<Tags>
+ChartMogul.Tag.add(config, "", {
+    tags: [""]
+});
+
+// $ExpectType Promise<Tags>
+ChartMogul.Tag.remove(config, "", {
+    tags: [""]
+});
+
+// $ExpectType Promise<CustomAttributes>
+ChartMogul.CustomAttribute.add(config, "", {
+    custom: [
+        {type: "", key: "", value: 0}
+    ]
+});
+// $ExpectType Promise<Entries<Customer>>
+ChartMogul.CustomAttribute.add(config, "", {
+    email: "",
+    custom: [
+        {type: "", key: "", value: 0}
+    ]
+});
+
+// $ExpectType Promise<CustomAttributes>
+ChartMogul.CustomAttribute.update(config, "", {
+    custom: {
+        pro: true,
+        channel: ""
+    }
+});
+
+ChartMogul.CustomAttribute.remove(config, "", {
+    custom: [""]
+}).then(data => {
+    data.custom["key"]; // $ExpectType any
+});
+
+// $ExpectType Promise<All>
+ChartMogul.Metrics.all(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-24',
+    interval: '',
+    geo: '',
+    plans: ''
+});
+
+// $ExpectType Promise<EntriesSummary<MRR>>
+ChartMogul.Metrics.mrr(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+});
+
+// $ExpectType Promise<EntriesSummary<ARR>>
+ChartMogul.Metrics.arr(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+});
+
+// $ExpectType Promise<EntriesSummary<ARPA>>
+ChartMogul.Metrics.arpa(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+});
+
+// $ExpectType Promise<EntriesSummary<ASP>>
+ChartMogul.Metrics.asp(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+});
+
+// $ExpectType Promise<EntriesSummary<CustomerCount>>
+ChartMogul.Metrics.customerCount(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+});
+
+// $ExpectType Promise<EntriesSummary<CustomerChurnRate>>
+ChartMogul.Metrics.customerChurnRate(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01',
+    geo: '',
+    plans: ''
+});
+
+// $ExpectType Promise<EntriesSummary<MRRChurnRate>>
+ChartMogul.Metrics.mrrChurnRate(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+});
+
+ChartMogul.Metrics.ltv(config, {
+    'start-date': '2015-01-01',
+    'end-date': '2015-11-01'
+}).then(data => {
+    data.entries[0].ltv; // $ExpectType number
+    data.summary; // $ExpectType Summary
+    data.summary.current; // $ExpectType number
+});
+
+// $ExpectType Promise<Entries<MetricsSubscription>>
+ChartMogul.Metrics.Customer.subscriptions(config, "", {
+    page: 1
+});
+
+ChartMogul.Metrics.Customer.activities(config, "", {
+    page: 1
+}).then(data => {
+    data.entries; // $ExpectType MetricsActivity[]
+    data.entries[0]; // $ExpectType MetricsActivity
+    data.entries[0]['activity-mrr']; // $ExpectType number
+    data.page!; // $ExpectType number
+});
diff --git a/types/chartmogul-node/common.d.ts b/types/chartmogul-node/common.d.ts
new file mode 100644
index 0000000000..ced10f98d7
--- /dev/null
+++ b/types/chartmogul-node/common.d.ts
@@ -0,0 +1,28 @@
+export interface Map {
+    [key: string]: any
+}
+export interface CursorParams {
+    page?: number;
+    per_page?: number;
+}
+export type Strings = string[];
+
+export interface Cursor {
+    page?: number;
+    per_page?: number;
+    has_more?: boolean;
+    current_page?: number;
+    total_pages?: number;
+}
+export interface Entries<T> extends Cursor {
+    entries: T[]
+}
+interface Summary {
+    current: number;
+    previous: number;
+    ['percentage-change']: number;
+}
+export interface EntriesSummary<T> {
+    entries: T[];
+    summary: Summary;
+}
\ No newline at end of file
diff --git a/types/chartmogul-node/index.d.ts b/types/chartmogul-node/index.d.ts
new file mode 100644
index 0000000000..c4bdce5aca
--- /dev/null
+++ b/types/chartmogul-node/index.d.ts
@@ -0,0 +1,410 @@
+// Type definitions for chartmogul-node 1.0
+// Project: https://github.com/chartmogul/chartmogul-node
+// Definitions by: ChartMogul <https://github.com/chartmogul>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { Map, Cursor, CursorParams, Strings, Entries, EntriesSummary } from './common';
+
+export class Config {
+    VERSION: string;
+    API_BASE: string;
+    retries: number;
+
+    constructor(token: string, secret: string, base?: string);
+    getAccountToken(): string;
+    getSecretKey(): string;
+}
+
+export namespace Ping {
+    function ping(config: Config): Promise<string>;
+}
+
+export namespace DataSource {
+    interface DataSource {
+        uuid?: string;
+        name: string;
+        created_at?: string;
+        status?: string;
+        system?: string;
+    }
+    interface DataSources {
+        data_sources: DataSource[];
+    }
+    interface ListDataSourcesParams {
+        name?: string;
+        system?: string;
+    }
+
+    function create(config: Config, data: DataSource): Promise<DataSource>;
+    function retrieve(config: Config, uuid: string): Promise<DataSource>;
+    function destroy(config: Config, uuid: string): Promise<{}>;
+    function all(config: Config, params?: ListDataSourcesParams): Promise<DataSources>;
+}
+
+export namespace Customer {
+    interface Customer {
+        id?: number;
+        data_source_uuid?: string;
+        data_source_uuids?: Strings;
+        uuid?: string;
+        external_id?: string;
+        external_ids?: Strings;
+        name?: string;
+        email?: string;
+        status?: string;
+        ['customer-since']?: string;
+        attributes?: Attributes;
+        address?: {
+            address_zip?: string;
+            city?: string;
+            state?: string;
+            country?: string;
+        };
+        mrr?: number;
+        arr?: number;
+        ['billing-system-url']?: string;
+        ['chartmogul-url']?: string;
+        ['billing-system-type']?: string;
+        currency?: string;
+        ['currency-sign']?: string;
+        company?: string;
+        country?: string;
+        state?: string;
+        city?: string;
+        zip?: string;
+        lead_created_at?: string;
+        free_trial_started_at?: string;
+    }
+    interface NewCustomer {
+        data_source_uuid: string;
+        external_id: string;
+        name: string;
+        email?: string;
+        company?: string;
+        country?: string;
+        state?: string;
+        city?: string;
+        zip?: string;
+        lead_created_at?: string;
+        free_trial_started_at?: string;
+        attributes?: NewAttributes;
+    }
+    interface UpdateCustomer {
+        name?: string;
+        email?: string;
+        company?: string;
+        country?: string;
+        state?: string;
+        city?: string;
+        zip?: string;
+        lead_created_at?: string;
+        free_trial_started_at?: string;
+        attributes?: NewAttributes;
+    }
+    interface NewAttributes {
+        tags?: Strings;
+        custom?: NewCustomAttributes[];
+    }
+    interface NewCustomAttributes {
+        type?: string;
+        key: string;
+        value: any;
+        source?: string;
+    }
+    interface Attributes {
+        tags?: Strings;
+        stripe?: Map;
+        clearbit?: Map;
+        custom?: Map;
+    }
+    interface ListCustomersParams extends CursorParams {
+        data_source_uuid?: string;
+        status?: string;
+        system?: string;
+        external_id?: string;
+    }
+    interface SearchCustomersParams extends CursorParams {
+        email: string;
+    }
+    interface MergeID {
+        customer_uuid?: string;
+        external_id?: string;
+    }
+    interface MergeCustomersParams {
+        from: MergeID;
+        into: MergeID;
+    }
+
+    function create(config: Config, data: NewCustomer): Promise<Customer>;
+    function retrieve(config: Config, uuid: string): Promise<Customer>;
+    function modify(config: Config, uuid: string, data: UpdateCustomer): Promise<Customer>;
+    function destroy(config: Config, uuid: string): Promise<{}>;
+    function all(config: Config, params?: ListCustomersParams): Promise<Entries<Customer>>;
+    function search(config: Config, params?: SearchCustomersParams): Promise<Entries<Customer>>;
+    function merge(config: Config, params?: MergeCustomersParams): Promise<{}>;
+    function attributes(config: Config, uuid: string): Promise<Attributes>;
+}
+
+export namespace Plan {
+    interface Plan {
+        uuid?: string;
+        data_source_uuid?: string;
+        external_id?: string;
+        name?: string;
+        interval_count?: number;
+        interval_unit?: string;
+    }
+    interface ListPlansParams extends CursorParams {
+        data_source_uuid?: string;
+        system?: string;
+        external_id?: string;
+    }
+    interface Plans extends Cursor {
+        plans: Plan[];
+    }
+
+    function create(config: Config, data: Plan): Promise<Plan>;
+    function retrieve(config: Config, uuid: string): Promise<Plan>;
+    function modify(config: Config, uuid: string, data: Plan): Promise<Plan>;
+    function destroy(config: Config, uuid: string): Promise<{}>;
+    function all(config: Config, params?: ListPlansParams): Promise<Plans>;
+}
+
+export namespace Invoice {
+    interface Invoice {
+        uuid?: string;
+        customer_uuid?: string;
+        currency?: string;
+        data_source_uuid?: string;
+        date?: string;
+        due_date?: string;
+        external_id?: string;
+        line_items?: LineItem[];
+        transactions?: Transaction[];
+    }
+    interface LineItem {
+        uuid?: string;
+        account_code?: string;
+        amount_in_cents?: number;
+        cancelled_at?: string;
+        description?: string;
+        discount_amount_in_cents?: number;
+        discount_code?: string;
+        external_id?: string;
+        plan_uuid?: string;
+        prorated?: boolean;
+        quantity?: number;
+        service_period_end?: string;
+        service_period_start?: string;
+        subscription_external_id?: string;
+        subscription_uuid?: string;
+        tax_amount_in_cents?: number;
+        transaction_fees_in_cents?: number;
+        type?: string;
+    }
+    interface Transaction {
+        uuid?: string;
+        date?: string;
+        external_id?: string;
+        result?: string;
+        type?: string;
+    }
+    interface ListInvoicesParams  extends CursorParams {
+        data_source_uuid?: string;
+        customer_uuid?: string;
+        external_id?: string;
+    }
+    interface Invoices extends Cursor {
+        customer_uuid?: string;
+        invoices: Invoice[];
+    }
+
+    function create(config: Config, uuid: string, data: {
+        invoices: Invoice[]
+    }): Promise<Invoice>;
+    function retrieve(config: Config, uuid: string): Promise<Invoice>;
+    function destroy(config: Config, uuid: string): Promise<{}>;
+    function all(config: Config, uuid: string, params?: ListInvoicesParams): Promise<Invoices>;
+    function all(config: Config, params?: ListInvoicesParams): Promise<Invoices>;
+}
+
+export namespace Transaction {
+    interface Transaction {
+        uuid?: string;
+        date: string;
+        external_id?: string;
+        result: string;
+        type: string;
+    }
+
+    function create(config: Config, uuid: string, data: Transaction): Promise<Transaction>;
+}
+
+export namespace Subscription {
+    interface Subscription {
+        uuid: string;
+        external_id: string;
+        customer_uuid: string;
+        plan_uuid: string;
+        cancellation_dates: Strings;
+        data_source_uuid: string;
+    }
+    interface CancelSubscriptionParams {
+        cancelled_at?: string;
+        cancellation_dates?: Strings;
+    }
+    interface Subscriptions extends Cursor {
+        customer_uuid?: string;
+        subscriptions: Subscription[];
+    }
+
+    function all(config: Config, uuid: string, data: CursorParams): Promise<Subscriptions>;
+    function cancel(config: Config, uuid: string, data: CancelSubscriptionParams): Promise<Subscription>;
+}
+
+export namespace Tag {
+    interface Tags {
+        tags: Strings;
+    }
+    interface TagsWithEmail {
+        email: string;
+        tags: Strings;
+    }
+    function add(config: Config, uuid: string, data: TagsWithEmail): Promise<Entries<Customer.Customer>>;
+    function add(config: Config, uuid: string, data: Tags): Promise<Tags>;
+    function remove(config: Config, uuid: string, data: Tags): Promise<Tags>;
+}
+
+export namespace CustomAttribute {
+    import NewCustomAttributes = Customer.NewCustomAttributes;
+
+    interface CustomAttributes {
+        custom: Map;
+    }
+    function add(config: Config, uuid: string, data: {
+        email: string;
+        custom: NewCustomAttributes[];
+    }): Promise<Entries<Customer.Customer>>;
+    function add(config: Config, uuid: string, data: {
+        custom: NewCustomAttributes[];
+    }): Promise<CustomAttributes>;
+    function update(config: Config, uuid: string, data: CustomAttributes): Promise<CustomAttributes>;
+    function remove(config: Config, uuid: string, data: {
+        custom: Strings;
+    }): Promise<CustomAttributes>;
+}
+
+export namespace Metrics {
+    interface Params extends ParamsNoInterval {
+        interval?: string;
+    }
+    interface ParamsNoInterval {
+        ['start-date']: string;
+        ['end-date']: string;
+        geo?: string;
+        plans?: string;
+    }
+    interface All {
+        entries: {
+            date: string;
+            ['customer-churn-rate']: number;
+            ['mrr-churn-rate']: number;
+            ltv: number;
+            customers: number;
+            asp: number;
+            arpa: number;
+            arr: number;
+            mrr: number;
+        };
+    }
+
+    interface MRR {
+        date: string;
+        mrr: number;
+        ['mrr-new-business']: number;
+        ['mrr-expansion']: number;
+        ['mrr-contraction']: number;
+        ['mrr-churn']: number;
+        ['mrr-reactivation']: number;
+    }
+    interface ARR {
+        date: string;
+        arr: number;
+    }
+    interface ARPA {
+        date: string;
+        arpa: number;
+    }
+    interface ASP {
+        date: string;
+        asp: number;
+    }
+    interface CustomerCount {
+        date: string;
+        customers: number;
+    }
+    interface CustomerChurnRate {
+        date: string;
+        ['customer-churn-rate']: number;
+    }
+    interface MRRChurnRate {
+        date: string;
+        ['mrr-churn-rate']: number;
+    }
+    interface LTV {
+        date: string;
+        ltv: number;
+    }
+
+    function all(config: Config, params: Params): Promise<All>;
+    function mrr(config: Config, params: Params): Promise<EntriesSummary<MRR>>;
+    function arr(config: Config, params: Params): Promise<EntriesSummary<ARR>>;
+    function asp(config: Config, params: Params): Promise<EntriesSummary<ASP>>;
+    function arpa(config: Config, params: Params): Promise<EntriesSummary<ARPA>>;
+    function customerCount(config: Config, params: Params): Promise<EntriesSummary<CustomerCount>>;
+    function customerChurnRate(config: Config, params: ParamsNoInterval): Promise<EntriesSummary<CustomerChurnRate>>;
+    function mrrChurnRate(config: Config, params: ParamsNoInterval): Promise<EntriesSummary<MRRChurnRate>>;
+    function ltv(config: Config, params: ParamsNoInterval): Promise<EntriesSummary<LTV>>;
+
+    namespace Customer {
+        interface MetricsSubscription {
+            id: number;
+            external_id: string;
+            plan: string;
+            quantity: number;
+            mrr: number;
+            arr: number;
+            status: string;
+            ['billing-cycle']: string;
+            ['billing-cycle-count']: number;
+            ['start-date']: string;
+            ['end-date']: string;
+            currency: string;
+            ['currency-sign']: string;
+        }
+        interface MetricsActivity {
+            id: number;
+            date: string;
+            ['activity-arr']: number;
+            ['activity-mrr']: number;
+            ['activity-mrr-movement']: number;
+            currency: string;
+            ['currency-sign']: string;
+            description: string;
+            type: string;
+        }
+
+        function subscriptions(config: Config, uuid: string, params?: CursorParams): Promise<Entries<MetricsSubscription>>;
+        function activities(config: Config, uuid: string, params?: CursorParams): Promise<Entries<MetricsActivity>>;
+    }
+}
+
+export class ChartMogulError extends Error {
+    response: any;
+    httpStatus: number;
+}
+export class ConfigurationError extends ChartMogulError {}
+export class ForbiddenError extends ChartMogulError {}
+export class NotFoundError extends ChartMogulError {}
+export class ResourceInvalidError extends ChartMogulError {}
+export class SchemaInvalidError extends ChartMogulError {}
diff --git a/types/chartmogul-node/tsconfig.json b/types/chartmogul-node/tsconfig.json
new file mode 100644
index 0000000000..3b24d48da8
--- /dev/null
+++ b/types/chartmogul-node/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "chartmogul-node-tests.ts"
+    ]
+}
diff --git a/types/chartmogul-node/tslint.json b/types/chartmogul-node/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/chartmogul-node/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }