Kaizen #201 - Answering Your Questions | Webhooks, Functions, and Schedules

Kaizen #201 - Answering Your Questions | Webhooks, Functions, and Schedules


Hello everyone!
Welcome back to another post in the Kaizen series!

We are incredibly grateful for all the feedback we received, and as promised, we will answer all the queries in this Kaizen series.

Last week, in our 200th post, we addressed one of the requests for a detailed guide on Token generation using the Python SDK.

This week, as requested by a user, we will do a detailed comparison between Webhooks, Functions, and Schedules.

Let's dive right in!

In modern CRM automation and business workflows, three key mechanisms stand out for executing custom logic and integrations—Webhooks, Functions, and Schedules. While these might seem similar at first glance, each serves distinct purposes and offers unique advantages depending on your use case.

Understanding when and how to use each approach is crucial for building efficient, scalable, and maintainable automation systems. This Kaizen post will help you navigate these choices with practical use cases and clear guidelines.
Let's see what each of these features means.


1. Webhooks

Event-driven external communication

Webhooks are HTTP callbacks that automatically trigger when specific events occur in your CRM system. Think of them as "reverse APIs" where instead of your app polling for changes, the system pushes notifications to your external endpoints.

Key Characteristics

  • Trigger: Can be triggered by workflows, approvals, and real-time event-based(record creation, updates, deletions).
  • Execution: External to the CRM platform. Send HTTP POST/GET requests to an external URL.
  • Response time: Near-instantaneous.
  • Reliability: Dependent on external endpoint's availability.

When should you use Webhooks?

  • Send simple, real-time notifications to external systems.
  • These are lightweight notifications where you just want to inform external systems that something happened in your CRM, but do not expect a response.
  • Trigger immediate actions in the external app.
  • When data changes happen in your CRM, you can use webhooks to inform the external system of the same and trigger specific actions in the external system.
  • Live notification and alerts.
  • Webhooks can send live notifications and alerts when an important event occurs in CRM. You can use multiple channels like SMS, emails, push notifications, etc., to notify of the event.

Examples

  • Notifying an external system when a lead is converted.
  • Triggering payment processing when invoice status changes.
  • Sending SMS immediately when a high-priority lead is created.

2. Functions

Server-side custom logic

Functions in Zoho CRM are custom code snippets written in Deluge scripting language to execute your custom business logic.

Key Characteristics

  • Trigger: Can be triggered by various events or called directly through APIs, workflows, or button actions.
  • Execution: Internal to the CRM platform as they run on Zoho CRM servers.
  • Response time: Fast.
  • Reliability: High, with in-built error handling mechanisms.
  • Support full Deluge scripting.
  • Can call external APIs and handle responses.

When should you use Functions?

  • Complex business logic that requires access to CRM data
    • Involves complex decision-making processes to compare and analyze data from multiple modules of your CRM or other service. Functions work great here as they can access data via APIs easily.
  • Data validation and transformation
    • You can check for data correctness to align with your business rules and convert them to the right format to use them as necessary at various places. Functions are ideal as they can validate against existing CRM data and apply complex transformation logic in real-time.
  • Custom workflow actions
    • You can orchestrate functions to perform multi-step processes across modules that standard workflow actions cannot perform.

Examples

  • Validating data against business rules before saving.
  • Implement approval workflows with multiple stakeholders.
  • Triggering complex multi-module workflows like converting a lead to a contact and account, triggering workflow rules for the new account, adding a follow-up task to the converted lead, and adding it to marketing campaigns.

3. Schedules

Time-Based Automation

Schedules in Zoho CRM are functions that are executed automatically at specific intervals of time. They are perfect for batch processing, data synchronization, regular clean up, and sending routine reminders.

Key Characteristics

  • Trigger: Time-based schedules like a cron job.
  • Execution: Internal to the CRM platform.
  • Response time: Depends on the schedule frequency.
  • Reliability: High, with automatic retry mechanisms.
  • Support full Deluge scripting.
  • Supports OAuth-based API calls and data fetching from internal or external systems.

When should you use Schedules?

  • Batch data processing
    • Instead of processing records one at a time as they are created or updated, you can batch them all in groups to be processed later, say after business hours. This is not only efficient but also does not impact system performance during peak hours.
  • Synchronize data
    • You can run a schedule to compare data between your CRM and external system and regularly update them to have up-to-date information on both systems.
  • Periodic reporting and analytics of your data
    • Create reports, update dashboards, and analytics like weekly sales performance, at set intervals to ensure your teams and stakeholders have the right data.
  • Maintenance and housekeeping
    • These are the usual behind-the-scenes tasks like archiving old data, deleting temporary files, etc., once a week to keep your CRM system running smoothly.

Examples

  • Daily data backup and archival
  • Weekly sales performance reports
  • Monthly lead scoring recalculation
  • Quarterly data cleanup and deduplication
  • Sync product data in CRM with an external ERP system every eight hours.
Here is a comparison table to help you decide which feature to use.

Feature
Webhooks
Functions
Schedules
Trigger
On CRM events(real-time)
On CRM events/manually
On a schedule(time-based)
Custom Logic
No(send data only)
Yes(custom script in Deluge)
Yes(deluge, time-driven logic)
External Calls
Limited(webhook only)
Extensive(APIs, CRM modules)
Extensive APIs, CRM modules)
Data Manipulation
No
Yes
Yes
Best For
Simple push notifications
Complex workflow automation
Recurring tasks
Examples
Notifying ERP, sending SMS
Auto-updating field, triggering emails
Daily follow-up, weekly performance report

Best Practices

  • Keep it simple. When you need a quick, no-frills integration, go with webhooks first.
  • Put your smarts in one place. Use functions whenever you need custom business rules or to tie together different parts of your CRM.
  • Schedule wisely. If you have regular batch jobs or routine tasks, set them to run on a schedule, ideally during off-peak hours so your team's daily operations are not slowed down by behind-the-scenes processes.
  • Watch and learn. Build in error logging and notifications for both functions and scheduled jobs, so you can catch and fix problems before they snowball.
  • Stay efficient. Remember that functions and scheduled scripts count against your API and execution limits. So, write lean code and keep an eye on your usage.

Begin by pinpointing your unique needs, weigh the pros and cons of each option, and be open to mixing methods when necessary. True automation success depends on solid error handling, ongoing monitoring, and regular upkeep.
We hope you found this post useful. Let us know if you have questions in the comments or drop us an email at support@zohocrm.com.

Cheers!

-----------------------------------------------------------------------------------------------------------------------------------

IdeaPrevious Kaizen post - Token generation in Python SDK

    • Sticky Posts

    • Kaizen #198: Using Client Script for Custom Validation in Blueprint

      Nearing 200th Kaizen Post – 1 More to the Big Two-Oh-Oh! Do you have any questions, suggestions, or topics you would like us to cover in future posts? Your insights and suggestions help us shape future content and make this series better for everyone.

    • Kaizen #226: Using ZRC in Client Script

      Hello everyone! Welcome to another week of Kaizen. In today's post, lets see what is ZRC (Zoho Request Client) and how we can use ZRC methods in Client Script to get inputs from a Salesperson and update the Lead status with a single button click. In this

    • Kaizen #222 - Client Script Support for Notes Related List

      Hello everyone! Welcome to another week of Kaizen. The final Kaizen post of the year 2025 is here! With the new Client Script support for the Notes Related List, you can validate, enrich, and manage notes across modules. In this post, we’ll explore how

    • Kaizen #217 - Actions APIs : Tasks

      Welcome to another week of Kaizen! In last week's post we discussed Email Notifications APIs which act as the link between your Workflow automations and you. We have discussed how Zylker Cloud Services uses Email Notifications API in their custom dashboard.

    • Kaizen #216 - Actions APIs : Email Notifications

      Welcome to another week of Kaizen! For the last three weeks, we have been discussing Zylker's workflows. We successfully updated a dormant workflow, built a new one from the ground up and more. But our work is not finished—these automated processes are

    • Recent Topics

    • How to add "All Open AND Overdue" back to the Home Page Task Component?

      Hi everyone, I’m looking for a way to restore the Tasks component dropdown list on the Zoho CRM Home Page. Since the recent update to the Task area in my Home Page Classic View, the dropdown options (e.g., My Next 7 Days + Overdue) are too restrictive

    • Dynamic Questions in Zoho Forms

      Is it possible to add dynamic questions (like displaying a user’s name) in Zoho Forms? I know this is possible in surveys, but can we implement similar functionality in Zoho Forms?

    • Introducing Zoho MCP for Bigin

      Hello Biginners! We're excited to introduce Zoho MCP for Bigin, a completely new way of interacting with Bigin data using AI. With Zoho MCP, you can securely connect your Bigin account with popular AI tools like Claude, Cursor, Windsurf, and VS Code,

    • Three Zoho Billing Limitations Blocking Standard Subscription Operations

      After working through Zoho Billing support for over a year on these three issues without resolution, we wanted to flag them to the broader community. We are curious whether other businesses are running into the same walls. 1. Cannot Prepone (Move Earlier)

    • SAP Business One(B1) integration is now live in Zoho Flow

      We’re excited to share that SAP Business One (B1) is now available in Zoho Flow! This means you can now build workflows that connect SAP B1 with other apps and automate routine processes without relying on custom code. Note: SAP Business One integration

    • [Action Required] : Update Shopify Access Scope to fetch complete order history

      Hello Shopify Users! Shopify has updated the access scope for apps under developer portal. With this change, the read_orders scope now provides access only to the last 60 days of order history. To access older historical orders, Shopify requires a separate

    • Advance Payment Record Removed When Deleting Applied Credit from Bill

      Hello, So while working with vendor advance payments, I noticed that removing the applied credit from a bill also removes the corresponding entry from the Payments Made section. What I did : Recorded an advance payment to a vendor through Payments Made.

    • How to Connect Zoho Books with e-Way Bill Portal (Step-by-Step Guide)

      Integrating Zoho Books with the e-Way Bill portal helps automate your logistics and compliance process. Follow the steps below to set it up easily: 🚀 How to Connect Zoho Books with e-Way Bill Portal (Step-by-Step Guide) Integrating Zoho Books with the

    • Is there a way to update all the start and end dates of tasks of a project after a calendar change?

      Hi! Here's my situation. I've built a complete project planning. All its tasks have start dates and due dates. After completing the planning, I've realized that the project calendar was not the right one. So I changed the project calendar. I now have

    • Lookup fields can't be used for anything important

      Hi It seems the lookup fields are mostly.... informative, you can at most link stuff between modules... You can't use lookup fields in blueprints, you can't use them in layout rules or anything... It that correct?

    • Sales Allowed Beyond Available Stock and Payment Recorded Without Restriction

      Hi, While testing in Zoho Inventory, I noticed that a sales order can be created with a quantity exceeding the available stock in the selected warehouse. In my case: Available stock: 5 units Ordered quantity: 6 units Despite this: I was able to convert

    • Zoho Writer Frequently not loading

      I've reported this as a problem already but I can't log into my email right now or get onto the main site so you're going to hear about it again here: at least once a week, Zoho Writer will just refuse to load entirely. The main page will load and load

    • Read Thread Details

      Does anyone know how to "read" the complete thread details in a ticket? I figured out how to pull a summary of the threads using a webhook, but it doesn't have all the details I want. I tried to create a loop in flow, which should have worked, but instead

    • How to Structure Data in Zoho Creator Applications

      Data structure is undoubtedly one of the most critical pillars in application development within Zoho Creator. Well-structured projects scale easily, enable more robust automations, and drastically reduce rework. Poorly modeled applications, on the other

    • Application Architecture in Zoho Creator: Why You Should Think About It from the Start

      Many companies begin using Zoho Creator by building simple forms to automate internal processes. This is natural — the platform is extremely accessible and allows applications to be built very quickly. The challenge begins to appear when the application

    • Captcha can't be enabled conditionally

      Hi Problem: captcha on a form can't be enabled conditionally. Why is this a problem: Because I use the same form on our website (public) in the portal and mobile app. In the portal it works but in the mobile app it doesn't. So there should be a way to

    • Improved RingCentral Integration

      We’d like to request an enhancement to the current RingCentral integration with Zoho. RingCentral now automatically generates call transcripts and AI-based call summaries (AI Notes) for each call, which are extremely helpful for support and sales teams.

    • WorkDrive issues with Windows Explorer Not Responding

      We are using WorkDrive to collaborate on editing video content. We have a lot of files and quite a few are a few gigs. Recently anytime I try and work with the files Explorer freezes for a couple minutes whether it's dragging the files into Premiere or

    • US State abbreviations in Address fields

      In regards to all Address fields within Zoho, Is there a way to change the State field to be the 2 letter abbreviation vs the full spelled out US State name? Example: "Washington" should be WA. I am able to type in the abbreviated state, but it's not

    • Is it possible to retrieve function (Deluge) code from Zoho CRM externally?

      Hi Everyone, Is it possible to fetch or retrieve the Deluge function code from Zoho CRM using an external method (API or any other approach)? I would like to know if there is any way to access or extract the function script outside of Zoho CRM, or if

    • Zoho CRM Integration Form + Custom Fields

      Hi! I've created an Integration Form from Zoho CRM's Vendors Module, but I can choose a few standard fields and no custom fields I've created in Zoho CRM. There is a plan to add this feature soon? Thanks in advance.

    • AI secretary

      In our company, Claude is the secretary and creates inquiries and schedules from Gmail. You no longer have to enter them yourself. The secret is that we created an MCP server that connects to CRM. https://x.com/Mac_nishio/status/1917954562566328694

    • Como estruturar dados em aplicações Zoho Creator

      A estrutura de dados é um dos pilares mais críticos no desenvolvimento de aplicações no Zoho Creator. Projetos bem estruturados escalam com facilidade, permitem automações mais robustas e reduzem drasticamente retrabalho. Já aplicações mal modeladas rapidamente

    • Creditos API

      Queria saber se alguém poderia me ajudar a resolver um problema na compra e utilização de créditos de mensagens API do WhatsApp. ja tentei todos o tutoriais porem não consegui realizar a compre, pois ao clicar no botão de comprar créditos aparece a mensagem

    • Using Zoho Forms vs Zoho Survey

      Hello - I'm looking for advice on whether to use Zoho Survey or Zoho Forms for our small non-profit. We have a Zoho One subscription, so have access to both. The main use case at the moment is application forms for our professional development programs.

    • Custom CSS for Zoho CRM Team Bookings embeded widget

      Hello, we are adding Zoho CRM Team Bookings (crm.zoho.com) in our public website. We know that we can change Theme Color, Font Color and Background Color: Zoho CRM Booking Styling But is it possible to change other CSS attributes e.g. Font Family, like

    • Dashboard target enhancements

      Often individuals in IT are creating dashboards for their sales team. The ability to create a single dashboard that can be used by multiple people is key. A components for a dashboard have the ability to filter by logged in user which is great. However

    • Enable integration of CRM CPQ functionality for ZohoOne customers using Zoho Finance application

      Hi there. I can't believe I'm needing to launch this idea as I would have thought this was a little obvious. Following a number of conversations with the technical team it's become evident that the CPQ functionality within CRM cannot integrate with Zoho

    • Zoho Certified Workshops in Berlin | 20. - 21. April

      Liebe Mitglieder der deutschen Zoho-Community! Wir freuen uns, Ihnen mitteilen zu können, dass unsere Zoho Certified Workshops am 20. und 21. April nach Deutschland zurückkehren! 📍Wo finden die Workshops statt? Die zertifizierten Workshops finden im

    • Zoho Payroll Expansion Plans

      Dear Zoho Team, I truly appreciate the continuous innovation and improvements you bring to your suite of products. However, I—and I’m sure many others—would love some clarity on your Zoho Payroll expansion roadmap. Currently, it’s only available in the

    • Is there a way to show contact emails in the Account?

      I know I can see the emails I have sent and received on a Contact detail view, but I want to be able to see all the emails that have been sent and received between all an Accounts Contacts on the Account Detail view. That way when I see the Account detail

    • Usar o Inventory ou módulo customizado no CRM para Gestão de Estoque ?

      Minha maior dor hoje em usar o zoho é a gestão do meu estoque. Sou uma empresa de varejo e essa gestão é fundamental pra mim. Obviamente preciso que esse estoque seja visível no CRM, Inicialmente fiz através de módulos personalizados no próprio Zoho CRM,

    • How do I setup the performance review module?

      I am pretty adept when it comes to learning software and I've set up quite a few Zoho Apps over the past 3 years.   But for the life of me, I can not figure out Zoho People performance reviews. I've figured out the "Organization" & LMS Modules, but the

    • Recurring Addons

      Hi, I know you can set the pricing interval for addons to weekly, monthly and yearly & set it for one off or recurring, which these are fine as a base addon item. It really would be helpful if when creating a subscription when you add on the addon item

    • Cancellation Fees

      Hi, It really would be good if Billing could take subscription management further with cancellations & being able to apply or set a cancellation fee for a plan that is either fixed or prorated. It is not uncommon in subscriptions for cancellation fees

    • Allow agents to enable or disable feed notifications from certain departments

      Hello everyone, Agents who are part of multiple departments receive feed notifications frequently from across the departments. They may not be actively involved in performing every action in all departments. For example, an agent could be a part of both

    • WorkDrive API returning empty response even after placing file in Team Folder

      Hi everyone, I am trying to fetch a file from Zoho WorkDrive using a Deluge standalone function in Zoho People. The API call executes successfully using a configured connection, but the response is coming back empty. I have verified the following: The

    • Address Typeahead Extension for Zoho Books

      I installed the Address Typeahead extension for zoho books but when I went to configure it, it said that that version was deprecated. Is there a newer version somewhere?

    • Transaction Rules & Customer Payments

      So I have a situation as follows. We have many clients who are all invoiced on the 1st of each month on a recurring invoice for 1 of 10 plans. This means that almost all payment dates are the same (some people pay late) and that a lot of the amounts are

    • Can I Integrate ADP Payroll with Zoho Books?

      Hi, I am hoping that I can integrate ADP Payroll with Zoho Books so that I do not need to manually input the payroll journal entries. Is this possible? If so, how do I do that?

    • Next Page