The calendar invite-sending market is encompassed within the broader scheduling and calendar management software industry. Several key players dominate this space, offering diverse features to cater to various user needs. Notable competitors include:

• Calendly: Renowned for its user-friendly interface, Calendly simplifies scheduling by allowing users to set their availability and share links for easy appointment booking.

  calendly.com

• Doodle: Doodle specializes in group scheduling. It enables participants to vote on preferred meeting times, streamlining the process of finding mutually agreeable slots.

  calendly.com

• Google Calendar: A widely-used free cloud calendar that integrates seamlessly with Google Assistant, offering a simple interface and task management features.

  lifewire.com

• Microsoft Bookings: Part of the Microsoft 365 suite, this tool is designed for businesses to manage appointments and provides a centralized scheduling system.

  calendly.com

• HubSpot Meeting Scheduler: Integrated within HubSpot's CRM, this scheduler facilitates seamless meeting bookings, which is particularly beneficial for sales and marketing teams.

  calendly.com

• Clockwise: An intelligent calendar assistant optimizes team schedules by managing meeting times and creating uninterrupted focus periods.

  zapier.com

• Chili Piper: Tailored for sales teams, Chili Piper offers advanced scheduling features, including routing and booking meetings directly from web forms.

  efficient.app

• YouCanBookMe: A straightforward scheduling tool that integrates calendars to provide customizable booking pages, ideal for individuals and small businesses.

  calendly.com

• Cal.com: An open-source scheduling platform that offers extensive customization options, catering to users seeking tailored scheduling solutions.

  efficient.app

• Reclaim.ai: Focuses on integrating task management with calendar scheduling, helping users automatically block time for tasks and meetings.

  zapier.com

These platforms are at the forefront of the scheduling software market, each offering unique functionalities to meet the diverse needs of users and organizations.

How are we different?

We provide a Developers’ Platform in an AWS Serverless Template to integrate Calendar Invites into AWS applications with a ready-made API Kit and access to the Lambdas to modify them.

This could be for one-to-one or one-to-many calendar invites sent using AWS SES.

The Calendar Invite Server Market For Aws

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The Calendar Invite Server Market For Aws

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The Calendar Invite Server has 9 APIS.

Organizer – Single Event

1. Single Event Detail

The Event Details API retrieves the event's details.

Endpoint: /event/[uid]

2. Single Event Statistics and Reporting

The Event Statistics API retrieves the information totals for the number of calendar invitations sent and RSVPs received.

Endpoint: /event/[uid]/statistics

3 - Single Calendar Event
Invitation Send

Sends a Calendar Invitation to a single email address.

Endpoint: /event/[uid]/invite?email=[invitee email]&name=[invitee name]&origin=[text]&landing=[url]

4- Single Event
Invitee List

A list of Invitees who have requested an invitation.

Endpoint: /event/[uid]/attendees

5- Single Event Invitee
List (email response)

When requested, an email is sent to the Event Organizer's email with a CSV of the Invitees for the Event.

Endpoint: /event/[uid]/report

Organizer – All Events Data

6- Organizer Events Detail

Provides an Array of Events created by a single Event Organizer.

Endpoint: /organizer/[organizer email]/events

7- Organizer Events Statistics and Reporting (totals)

Provides reporting for the number of invitations sent and RSVPs received for all Events created by a single Organizer.

Endpoint: /organizer/[organizer emal]/statistics

Domain – All Organizers Data

8- System
Events Detail

Provides an Array of all Events created within the Domain from Organizers

Endpoint: /system/events

9- System Events Statistics
and Reporting (totals)

Provides reporting for the number of invitations sent and RSVPs received for all Events created by all Organizers

Endpoint: /system/statistics

The Calendar Invite Server For Aws Has 9 Apis

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Lambda Narratives

Lambda 1: Disassemble the New Calendar Invite Data from the SES Inbox and store it in Dynamo with the UID in API # 1 for future retrieval. The developer status is protected, and the language is Python.

Lambda 2 -Reassemble Calendar Invite data from Dynamo DB in a Multi-Part Message. Send a correctly formatted Calendar Invite using the AWS RAW API to UID and interfaces to API # 3. The developer status is protected, and the language is Python.

Lambda 3—Collect, Parse, and Store RSVP Receipts for Calendar Invite UID and interfaces to API # 2 and API # 4. The developer status is protected, and the language is Python.

Lambda 4—Reassemble Updated Calendar Invite data from Dynamo DB into a Multi-Part Message and Send it using the AWS RAW API and interfaces to API# 3. The developer status is protected, and the language is Python.

Lambda 5—Disassemble the Calendar Invite Cancel Command and store it in Dynamo DB with the Calendar Invite UID. The developer status is protected, and the language is Python.

Lambda 6 -Send Calendar Invite Cancel message using AWS RAW API to UID. The developer status is protected, and the language is Python.

Lambda 7 - Send Email template #1 –Notification Email of Calendar Invite received, processed, and ready for access to the console. The developer status is Open, and the language is Python, EMAIL HTML for custom routing configuration by developers.

Lambda 8—Send Email template #2—The notification Email of Calendar Invite Data failed to process with the next-step instructions. The developer status is Open, and the language is Python, EMAIL HTML for custom routing configuration by developers.

Lambda 9—Send Email template #3 -Assemble email addresses and RSVP actions from Dynamo DB. Email the Organizer with CSV-attached email names and Y, N, and M details for that Event UID.

Lambda 10—Gathers details from Dynamo DB, assembles the array of all the event data created by a single event organizer, and interfaces to API # 6. The developer status is protected, and the language is Python.

Lambda 11- Gathers details from DynamoDB for the number of calendar invitations sent and RSVPs received for all Events created by Single Organizer and provides an array to API # 7. The developer status is protected, and the language is Python.

Updated – Feb 2, 2025

Calendar Invite Server For Aws Lambdas

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We started a long time ago.

As a part-time project, our product has undergone six revisions in 10 years, and we have 4000 free customers on the AWS Serverless stack.

In 2025 and beyond, we are focused on the calendar invite server for AWS.

Calendarsnack and 31 events are being consolidated and will soon be referred to calendarinvite.com.

YouTube

https://www.youtube.com/@calendarinvite/videos

Medium

https://medium.com/calendarsnack-com

Substack - Email Death News Letter

EmailDeath

Getting on the Calendar First

By Greg Hanchin

Twitter

https://x.com/31events

Building the Calendar Snack UI – State Management & Routing

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In the first article, we focused on the design philosophy behind Calendar Snack: simplicity, ease of use, and making calendar invites accessible to marketers.

Now, let’s take a deeper dive into how the Calendar Snack UI is structured using Vue Router for navigation and Pinia for state management.

A robust state and routing system is crucial for keeping the application fast, responsive, and user-friendly. We’ll walk through:

1. How Vue Router organizes navigation within the app.

2. How Pinia stores manage application state, ensuring data availability without unnecessary API calls.

3. How Calendar Snack tracks event invites and RSVPs, providing real-time insights for organizers.

1. Structuring Navigation with Vue Router

One of the first technical decisions in building Calendar Snack was designing an intuitive navigation flow. Because this is a single-page application (SPA), Vue Router is used to handle different pages dynamically.

Primary Routes

The routing structure consists of three primary sections:

• Home (/) – The landing page.

• Dashboard (/dashboard) – The core app interface, protected by authentication.

• Docs (/docs) – Provides FAQs, user guides, and legal documentation.

Additionally, there are dedicated routes for:

• Login & Registration

• Single Event & Multiple Event Views

• Error Handling (404 Pages)

Example Route Definition (Home & Dashboard):

export const routes = [
  {
    path: "/",
    name: 'home',
    meta: { title: "Home", description: "Welcome Calendar Snack" },
    component: Home,
  },
  {
    path: "/dashboard",
    name: 'dashboard',
    meta: { title: "Dashboard", description: "Organizer Dashboard", authRequired: true },
    component: () => import("@/views/Dashboard.vue"),
    children: [
      {
        path: "dashhome",
        name: 'dashhome',
        meta: { title: "Summary", description: "Calendar Snack Dashboard" },
        component: () => import("@/pages/dashboard/DashHome.vue"),
      },
      {
        path: "sendinvites",
        name: 'sendinvites',
        meta: { title: "Send Calendar Invites", description: "Send Calendar Invites" },
        component: () => import("@/pages/dashboard/SendInvites.vue"),
      }
    ],
  }
];

Key Takeaways:

• The Dashboard route has multiple child routes (dashhome, sendinvites, etc.).

• Authentication (authRequired: true) is handled in application code rather than the router.

• Dynamic parameters allow access to specific events (e.g., /event/:eventid).

2. Managing State with Pinia

Vue’s Pinia store is used to persist data across components, reducing unnecessary API calls and improving responsiveness.

Why Pinia?

Pinia is lightweight, modular, and built for Vue 3. It allows centralized state management while keeping the reactivity and performance of Vue's Composition API.

Key State Stores in Calendar Snack

We use four Pinia stores to manage state:

1. Multiple Events Store (multiple.js) – Manages all events for an organizer.

2. Multiple Stats Store (multipleStats.js) – Tracks invite stats across all events.

3. Single Event Store (single.js) – Manages data for a single event.

4. Single Stats Store (singleStats.js) – Stores RSVP and invite statistics for one event.

Multiple Events Store (multiple.js)

Handles all events associated with an organizer.

export const useMultipleStore = defineStore("multiple", {
  state: () => ({
    orgEmail: "",
    firstUid: "",
    orgEvents: [],
    error: null,
  }),

  getters: {
    getOrgEvents: (state) => state.orgEvents,
    futureEvents: (state) => state.orgEvents.filter(event => event.dtstart > Date.now()),
  },

  actions: {
    async fetchOrgEvents(orgEmail) {
      try {
        const { data } = await apiClient.get(`${orgEmail}/events`);
        this.orgEvents = data;
        this.firstUid = data.length > 0 ? data[0].uid : null;
      } catch (error) {
        this.error = "Failed to fetch events";
      }
    },
  },
});

Key Features:

• Fetches all events tied to an organizer’s email.

• Filters future & past events dynamically.

• Uses Axios for API calls, with error handling.

3. Tracking Invites & RSVPs

Each event in Calendar Snack requires tracking how many invites were sent and how many RSVPs were received. This is handled by two additional stores.

Multiple Stats Store (multipleStats.js)

Tracks RSVP counts and invite analytics across all events.

export const useMultipleStatsStore = defineStore("multipleStats", {
  state: () => ({
    orgEmail: "",
    orgInvites: 0,
    orgRsvp: { accepted: 0, declined: 0, tentative: 0, noaction: 0 },
  }),

  getters: {
    rsvpReceived: (state) =>
      state.orgRsvp.accepted + state.orgRsvp.declined + state.orgRsvp.tentative,
    rsvpNone: (state) => state.orgRsvp.noaction,
  },

  actions: {
    async fetchOrgStats(orgEmail) {
      try {
        const { data } = await apiClient.get(`${orgEmail}/statistics`);
        this.orgInvites = data.attendees || 0;
        this.orgRsvp = data.rsvp || {};
      } catch (error) {
        console.error("Error fetching statistics:", error);
      }
    },
  },
});

Key Features:

• Tracks total invitations sent (orgInvites).

• Stores RSVP responses (accepted, declined, etc.).

• Allows for real-time reporting on invite success rates.

4. Handling Single Event Data

A similar setup is used for single event data (single.js) and single event statistics(singleStats.js).

Single Event Store (single.js):

• Loads details for a specific event using a uid.

• Provides faster access to event details without refetching data.

Single Event Stats Store (singleStats.js):

• Tracks RSVP responses for one event.

• Provides summary stats on who accepted, declined, or didn’t respond.

Final Thoughts

The combination of Vue Router and Pinia Stores ensures that Calendar Snack is fast, scalable, and user-friendly.

• Vue Router provides clean navigation, keeping routes simple and logical.

• Pinia Stores ensure state persistence, reducing unnecessary API calls.

• Separation of multiple & single event data makes the app modular and efficient.

In the next article, we’ll explore the frontend UI components that bring all this data to life. We will start to see how we leverage the Event Array data, and start applying various sorting and filtering functions.

In addition to the Events Array, we will step through the various pre-built pages for Sending Calendar Invites, including landing pages for both All Events and a Single Event. This discussion will also include how we leverage Personalization Merge Codes to create our RSVP button.

Building The Calendar Invite Server For Aws

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