diff --git a/packages/nodes-base/credentials/CalendlyApi.credentials.ts b/packages/nodes-base/credentials/CalendlyApi.credentials.ts
new file mode 100644
index 0000000000..5a659c4a32
--- /dev/null
+++ b/packages/nodes-base/credentials/CalendlyApi.credentials.ts
@@ -0,0 +1,17 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class CalendlyApi implements ICredentialType {
+	name = 'calendlyApi';
+	displayName = 'Calendly API';
+	properties = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+	];
+}
diff --git a/packages/nodes-base/nodes/Calendly/CalendlyTrigger.node.ts b/packages/nodes-base/nodes/Calendly/CalendlyTrigger.node.ts
new file mode 100644
index 0000000000..29a8033809
--- /dev/null
+++ b/packages/nodes-base/nodes/Calendly/CalendlyTrigger.node.ts
@@ -0,0 +1,147 @@
+import {
+	IHookFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+
+import {
+	INodeTypeDescription,
+	INodeType,
+	IWebhookResponseData,
+} from 'n8n-workflow';
+
+import {
+	calendlyApiRequest,
+} from './GenericFunctions';
+
+export class CalendlyTrigger implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Calendly Trigger',
+		name: 'calendlyTrigger',
+		icon: 'file:calendly.png',
+		group: ['trigger'],
+		version: 1,
+		description: 'Starts the workflow when Calendly events occure.',
+		defaults: {
+			name: 'Calendly Trigger',
+			color: '#374252',
+		},
+		inputs: [],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'calendlyApi',
+				required: true,
+			},
+		],
+		webhooks: [
+			{
+				name: 'default',
+				httpMethod: 'POST',
+				responseMode: 'onReceived',
+				path: 'webhook',
+			},
+		],
+		properties: [
+			{
+				displayName: 'Events',
+				name: 'events',
+				type: 'multiOptions',
+				options: [
+					{
+						name: 'invitee.created',
+						value: 'invitee.created',
+						description: 'Receive notifications when a new Calendly event is created',
+					},
+					{
+						name: 'invitee.canceled',
+						value: 'invitee.canceled',
+						description: 'Receive notifications when a Calendly event is canceled',
+					},
+				],
+				default: [],
+				required: true,
+			},
+		],
+
+	};
+
+	// @ts-ignore (because of request)
+	webhookMethods = {
+		default: {
+			async checkExists(this: IHookFunctions): Promise<boolean> {
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const webhookData = this.getWorkflowStaticData('node');
+				const events = this.getNodeParameter('events') as string;
+
+				// Check all the webhooks which exist already if it is identical to the
+				// one that is supposed to get created.
+				const endpoint = '/hooks';
+				const { data } = await calendlyApiRequest.call(this, 'GET', endpoint, {});
+
+				for (const webhook of data) {
+					if (webhook.attributes.url === webhookUrl) {
+						for (const event of events) {
+							if (!webhook.attributes.events.includes(event)) {
+								return false;
+							}
+						}
+					}
+					// Set webhook-id to be sure that it can be deleted
+					webhookData.webhookId = webhook.id as string;
+					return true;
+				}
+				return false;
+			},
+			async create(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+				const webhookUrl = this.getNodeWebhookUrl('default');
+				const events = this.getNodeParameter('events') as string;
+
+				const endpoint = '/hooks';
+
+				const body = {
+					url: webhookUrl,
+					events,
+				};
+
+				const responseData = await calendlyApiRequest.call(this, 'POST', endpoint, body);
+
+				if (responseData.id === undefined) {
+					// Required data is missing so was not successful
+					return false;
+				}
+
+				webhookData.webhookId = responseData.id as string;
+				return true;
+			},
+			async delete(this: IHookFunctions): Promise<boolean> {
+				const webhookData = this.getWorkflowStaticData('node');
+				console.log(webhookData)
+				if (webhookData.webhookId !== undefined) {
+
+					const endpoint = `/hooks/${webhookData.webhookId}`;
+
+					try {
+						await calendlyApiRequest.call(this, 'DELETE', endpoint);
+					} catch (e) {
+						return false;
+					}
+
+					// Remove from the static workflow data so that it is clear
+					// that no webhooks are registred anymore
+					delete webhookData.webhookId;
+				}
+				return true;
+			},
+		},
+	};
+
+	async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
+		const bodyData = this.getBodyData();
+		return {
+			workflowData: [
+				this.helpers.returnJsonArray(bodyData),
+			],
+		};
+	}
+}
diff --git a/packages/nodes-base/nodes/Calendly/GenericFunctions.ts b/packages/nodes-base/nodes/Calendly/GenericFunctions.ts
new file mode 100644
index 0000000000..0d4c229d0b
--- /dev/null
+++ b/packages/nodes-base/nodes/Calendly/GenericFunctions.ts
@@ -0,0 +1,51 @@
+import { OptionsWithUri } from 'request';
+
+import {
+	IExecuteFunctions,
+	ILoadOptionsFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+	IHookFunctions,
+	IWebhookFunctions
+} from 'n8n-workflow';
+
+export async function calendlyApiRequest(this: IExecuteFunctions | IWebhookFunctions | IHookFunctions | ILoadOptionsFunctions, method: string, resource: string, body: any = {}, query: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+
+	const credentials = this.getCredentials('calendlyApi');
+
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+
+	const endpoint = 'https://calendly.com/api/v1';
+
+	let options: OptionsWithUri = {
+		headers: {
+			'Content-Type': 'application/json',
+			'X-TOKEN': credentials.apiKey,
+		},
+		method,
+		body,
+		qs: query,
+		uri: uri || `${endpoint}${resource}`,
+		json: true
+	};
+	if (!Object.keys(body).length) {
+		delete options.form;
+	}
+	if (!Object.keys(query).length) {
+		delete options.qs;
+	}
+	options = Object.assign({}, options, option);
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		if (error.response) {
+			const errorMessage = error.response.body.message || error.response.body.description || error.message;
+			throw new Error(`Calendly error response [${error.statusCode}]: ${errorMessage}`);
+		}
+		throw error;
+	}
+}
diff --git a/packages/nodes-base/nodes/Calendly/calendly.png b/packages/nodes-base/nodes/Calendly/calendly.png
new file mode 100644
index 0000000000..6527e03d94
Binary files /dev/null and b/packages/nodes-base/nodes/Calendly/calendly.png differ
diff --git a/packages/nodes-base/package.json b/packages/nodes-base/package.json
index ae32071021..28bb58ed82 100644
--- a/packages/nodes-base/package.json
+++ b/packages/nodes-base/package.json
@@ -39,7 +39,8 @@
             "dist/credentials/ClickUpApi.credentials.js",
             "dist/credentials/ClockifyApi.credentials.js",
             "dist/credentials/CodaApi.credentials.js",
-            "dist/credentials/CopperApi.credentials.js",
+			"dist/credentials/CopperApi.credentials.js",
+			"dist/credentials/CalendlyApi.credentials.js",
             "dist/credentials/DisqusApi.credentials.js",
             "dist/credentials/DriftApi.credentials.js",
             "dist/credentials/DropboxApi.credentials.js",
@@ -116,7 +117,8 @@
             "dist/nodes/Aws/AwsSns.node.js",
             "dist/nodes/Aws/AwsSnsTrigger.node.js",
             "dist/nodes/Bitbucket/BitbucketTrigger.node.js",
-            "dist/nodes/Bitly/Bitly.node.js",
+			"dist/nodes/Bitly/Bitly.node.js",
+			"dist/nodes/Calendly/CalendlyTrigger.node.js",
             "dist/nodes/Chargebee/Chargebee.node.js",
             "dist/nodes/Chargebee/ChargebeeTrigger.node.js",
             "dist/nodes/Clearbit/Clearbit.node.js",