Kaizen 202 - Answering Your Questions | Testing and Using REST APIs in Widgets

Kaizen 202 - Answering Your Questions | Testing and Using REST APIs in Widgets



Hello Developers!

Welcome back to a fresh week of Kaizen! 

Thank you for your active participation in sharing feedback and queries for the 200th milestone. This week, we will look at the following queries related to widget:
  • Widget Testing 
  • Using REST API in Canvas Widgets: Make HTTP calls in widgets (e.g., to external tax or product APIs)
Here are the queries that we have already answered for you from this milestone:
  1. Kaizen #200 - Answering Your Questions | Token generation using the Python SDK
  2. Kaizen #201 - Answering Your Questions | Webhooks, Functions, and Schedules

Widget Testing

One of the queries we received was simply stated
Quote
Widget Testing
 without any specific context. Since the user has not provided detailed input, we are assuming this is about how to test a widget during development.

You can test your Zoho CRM widget locally using the Zoho CLI. Run the following command from the root directory of your widget project:

zet run

This launches the widget on a local server where you can validate the UI and functionality before pushing it live.


Since the localhost connection opens in a new tab and is not private, you will need to manually authorize it. 

Click Advanced, then choose Proceed to 127.0.0.1 (unsafe) to continue. 

Notes
Note

If your widget needs to access data from your Zoho CRM organization, such as fetching or updating records, it must be deployed within a Zoho CRM iframe. To do this, you should upload the widget through the Zoho CRM Widgets setup page.

We recommend using the sandbox environment in such cases before deploying the widget to your production environment.

Making HTTP Calls from Widget

Following is a query we received from a user:
Quote
Using REST API in Canvas Widgets: Make HTTP calls in widgets (e.g., to external tax or product APIs)
Yes. You can make HTTP requests to external services from any type of Zoho CRM widget using the ZOHO.CRM.HTTP object from the Widget JS SDK.

Canvas Widget - What's Supported? 

Though full widget support within Canvas is on our roadmap, currently, you can invoke widgets from a Canvas view using Client Script. This lets you render widgets inside fly-outs or pop-ups. Here is a quick start guide on how you can achieve it:

Create a Widget

1. Create a widget project and code your logic using Zoho CLI as explained in our widget help page.

2. In Zoho CRM Developer Hub, create a new widget and set the type as Button.



Create a Client Script

3. Navigate to Client Scripts in Developer Hub and click New Script.

4. You can create your script either in the Modules or Commands category based on your use case. 

For assistance, refer to the step-by-step guide on Creating Client Script and Commands.



In the Category Details section, ensure to select Canvas as the page type. Canvas views are supported in the following page contexts: List, Detail, Create, and Clone. 

Choose the one that aligns with where your widget needs to appear.


5. Here is the sample script to render widget in a pop-up. 

ZDK.Client.openPopup({
api_name: 'Canvas_Widget',
type: 'widget',
animation_type: 4, 
height: '450px',
width: '450px',
},
{
data: 'sample data to be passed to "PageLoad" event of widget'
}); 

Here is the sample script to render widget in a fly-out. 

ZDK.Client.createFlyout('myFlyout', { 
animation_type: 4, 
height: '600px', 
width: '500px'
}
);
ZDK.Client.getFlyout('myFlyout').open({ api_name: 'Canvas_Widget', type: 'widget' });

For detailed guidance, check out our Client API documentation on Pop-up and Fly-out.

You can also check out the Kaizen #99 on Rendering Widgets using Client Script for a detailed guide based on a real-time use case. 

Using REST APIs from External Applications

The ZOHO.CRM.HTTP object enables you to make secure API calls directly from the Zoho CRM widget. It acts as a proxy, routing requests through Zoho servers, which eliminates the need for external applications to support CORS.

While this SDK is primarily used for integrating third-party services, it also supports Zoho CRM API calls. This provides you with greater flexibility to:
  • Customize header and parameter structures
  • Maintain a consistent calling pattern for both internal and external APIs within the widget.
Here is a basic syntax of the SDK:

ZOHO.CRM.HTTP.<method>({
  url: "<request-url>",
  headers: {
       // Request headers as Key-value pairs
    "Authorization": "Bearer <token>" // example
  },
  params: {
    // Request params as Key-value pairs

   "ids": "1234567890" // example
  },
  body: "<stringified JSON>", // Required for POST, PUT and PATCH
})
.then(function(response) {
  console.log("Response:", response);
});

Supported Methods
  • ZOHO.CRM.HTTP.get({ ... })
  • ZOHO.CRM.HTTP.post({ ... })
  • ZOHO.CRM.HTTP.put({ ... })
  • ZOHO.CRM.HTTP.patch({ ... })
  • ZOHO.CRM.HTTP.delete({ ... })
For more detail check out the HTTP method section of JS SDK help page.

Samples using Zoho CRM Contact Roles API

Let us explore a complete CRUD (Create, Read, Update, Delete) example using Zoho CRM’s Contact Roles API.

These structures have to be used within the JS function where you are executing your code logic. 

POST Contact Roles


// Prepare the API request
        var request = {
          url: "https://www.zohoapis.com/crm/v8/Contacts/roles",
          headers: {
            Authorization: "Zoho-oauthtoken 1000.XXXXXXXXXXXXXXXXXXX265bcf20e4"
          },
          body: {
            "contact_roles": [
              {
                "name": "Sales Lead",
                "sequence_number": 1
              }
            ]
          }
        };
         // Make API call 
        ZOHO.CRM.HTTP.post(request).then(function(data) {
          console.log(data);
 })

GET Contact Roles


// Prepare the API request
var request = {
          url: "https://www.zohoapis.com/crm/v8/Contacts/roles",
          headers: {
            Authorization: "Zoho-oauthtoken 1000.XXXXXXXXXXXXXXXXXXX265bcf20e4"
          }
        };
        // Make API call 
        ZOHO.CRM.HTTP.get(request)
          .then(function(response) {
 console.log(response);
})

UPDATE Contact Roles

// Prepare the API request
        var request = {
          headers: {
            Authorization: "Zoho-oauthtoken 1000.XXXXXXXXXXXXXXXXXXX265bcf20e4"
          },
          body: {
            "contact_roles": [
              {
                "name": "Evaluator",
                "id": "5545974000000006871"
              }
            ]
          }
        };
        // Make API call 
        ZOHO.CRM.HTTP.put(request).then(function(data) {
          console.log(data);
 })

DELETE Contact Roles


// Prepare the API request
        var request = {
          params: {
            ids: "5545974000002617002"
          },
          headers: {
            Authorization: "Zoho-oauthtoken 1000.XXXXXXXXXXXXXXXXXXX265bcf20e4"
          }
        };
        // Make API call 
        ZOHO.CRM.HTTP.delete(request).then(function(data) {
          console.log(data);
 })

We hope you found this post useful. 

Let us know if you have any questions in the comments or drop us an email at support@zohocrm.com.

Cheers!

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

Related Reading


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

    • Sticky Posts

    • Kaizen #197: Frequently Asked Questions on GraphQL APIs

      🎊 Nearing 200th Kaizen Post – We want to hear from you! 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 #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.

    • Celebrating 200 posts of Kaizen! Share your ideas for the milestone post

      Hello Developers, We launched the Kaizen series in 2019 to share helpful content to support your Zoho CRM development journey. Staying true to its spirit—Kaizen Series: Continuous Improvement for Developer Experience—we've shared everything from FAQs

    • Kaizen #193: Creating different fields in Zoho CRM through API

      🎊 Nearing 200th Kaizen Post – We want to hear from you! 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.

    • Client Script | Update - Introducing Commands in Client Script!

      Have you ever wished you could trigger Client Script from contexts other than just the supported pages and events? Have you ever wanted to leverage the advantage of Client Script at your finger tip? Discover the power of Client Script - Commands! Commands

    • Recent Topics

    • Adding Chargebee as a Data Connector

      Is it possible to get Chargebee added as a Zoho Analytics data connector?

    • Need Easy Way to Update Item Prices in Bulk

      Hello Everyone, In Zoho Books, updating selling prices is taking too much time. Right now we have to either edit items one by one or do Excel export/import. It will be very useful if Zoho gives a simple option to: Select multiple items and update prices

    • Zoho Creator to Zoho CRM Images

      Right now, I am trying to setup a Notes form within Zoho Creator. This Notes will note the Note section under Accounts > Selected Account. Right now, I use Zoho Flow to push the notes and it works just fine, with text only. Images do not get sent (there

    • Zoho Creatorの一括操作における処理の同期/非同期について

      現在、Creatorのレポート機能を利用して、複数のレコードに対して一括で処理を実行しようとしていますが、処理の実行順序について確認したいことがあります。 レポート内の複数レコードに一括で処理を実行した際、処理は同期的に行われるのでしょうか？それとも非同期的に行われるのでしょうか？ 【同期処理の場合】 レコード①に対する処理が開始され、終了後にレコード②に対する処理が開始され、最後にレコード③に対する処理が実行されるように、処理が順番に行われる場合。 【非同期処理の場合】 レコード①、レコード②、レコード③の処理が一斉に開始され、それぞれ並行して処理が行われ、全処理が終了する場合。

    • Introducing Profile Summary: Faster Candidate Insights with Zia

      We’re excited to launch Profile Summary, a powerful new feature in Zoho Recruit that transforms how you review candidate profiles. What used to take minutes of resume scanning can now be assessed in seconds—thanks to Zia. A Quick Example Say you’re hiring

    • Search Records returning different values than actually present

      Hey! I have this following line in my deluge script: accountSearch = zoho.crm.searchRecords("Accounts","(RS_Enroll_ID:equals:" + rsid + ")",1,200,{"cvid":864868001088693817}); info "Account search size: " + accountSearch.size(); listOfAccounts = zoho.crm.searchRecords("Accounts","(RS_Enroll_ID:equals:"

    • Delete commerce website

      I need to delete a commerce website, but the only option is to click on settings, REQUEST DELETE, choose an urgency notice, add a message....AND THEN nothing, no way to send the request. Why is nothing simple!?!?!  I just want to delete the store.  The

    • Adding external users to Zoho Social under Zoho ONE licence - how to best achieve this

      My client has a small business, and we are looking to implementing Zoho ONE with a single flexible user licence as that is all they really need and offers the best pricing for the range of modules we eventually wish to set them up with, one of which will

    • Has anyone built a custom AI support agent inside Zoho (SalesIQ/Zobot)?

      Hi all, I’ve been experimenting with building my own AI support assistant and wanted to see if anyone here has tackled something similar within Zoho. Right now, I’ve set up a Retrieval-Augmented Generation (RAG) pipeline outside of Zoho using FAISS. It

    • Whats the Time out Limit for API Calls from Deluge?

      Hi Creator Devs, We are making API calls to third party server via Deluge. Getting this error message: Error at line : 24, The task has been terminated since the API call is taking too long to respond. Please try again after sometime. Whats the default

    • Can't create package until Bill created?

      I can't understand why we cannot create a package until a Bill is created? We are having to created draft Bills to create a package when the item is received, but we may not have received a Bill from the supplier. Also, Bill # is required, but we normally

    • This mobile number has been marked spam. Please contact support.

      Problem Description: One of our sales agents in our organization is unable to sign in to Zoho Mail. When attempting to log in, the following message appears: This mobile number has been marked as spam. Please contact support at as@zohocorp.com @zohocorp

    • Print checks for owner's draw

      Hi.  Can I use Zoho check printing for draws to Owner's Equity?  This may be a specific case of the missing Pay expenses via Check feature.  If it's not available, are there plans to add this feature?

    • Dynamically prefill ticket fields

      Hello, I am using Zoho Desk to collect tickets of our clients about orders they placed on our website. I would like to be able to prefill two tickets fields dynamically, in this case a readonly field for the order id, and a hidden field for the seller id. The clients access the ticket form by clicking a link in our customer area, so ideally I would like to pass the values to prefill with as part of the URL. I imagine that this could be along the lines of calling https://our-domain/portal/newticket?order_id=123&seller_id=456

    • Zoho Desk Partners with Microsoft's M365 Copilot for seamless customer service experiences

      Hello Zoho Desk users, We are happy to announce that Zoho Desk has partnered with Microsoft's M365 to empower customer service teams with enhanced capabilities and seamless experiences for agents. Microsoft announced their partnership during their keynote

    • Zoho Books - Show Related Sales Orders on Quotes

      Hi Books team, I've noticed that the Quotes don't show show the related Sales Order. My feature request is to also show related Sales Orders above the Quote so it's easy to follow the thread of records in the sales and fulfilment process. Below screenshot

    • Zoho Books - Hide Convert to Sales Order if it can't be used.

      Hi Books team, I noticed that it is not possible to convert a Quote to a Sales Order when a Quote is not yet marked as accepted. My idea is to not show the Convert to Sales Order button when it is not possible to use it, or show it in a grey inactive

    • What’s New in Zoho Inventory | April 2025

      Hello users, April has been a big month in Zoho Inventory! We’ve rolled out powerful new features to help you streamline production, optimise stock management, and tailor your workflows. While several updates bring helpful enhancements, three major additions

    • Copy a Record Template from one Form to another

      I have a Creator application with several forms.  I developed a record template for one of the reports/forms but want to use most of it for another of the form/report combinations in the application. Is there a way to copy the template (code or otherwise) to another form?

    • Zoho Books - Quotes to Sales Order Automation

      Hi Books team, In the Quote settings there is an option to convert a Quote to an Invoice upon acceptance, but there is not feature to convert a Quote to a Sales Order (see screenshot below) For users selling products through Zoho Inventory, the workflow

    • Zoho Books - Include Quote Status in Workflow Field Triggers

      Hi Zoho Books team, I recently tried to create a Workflow rule based on when a Quote is Accepted by the customer. This is something which I thought would be very easy to do, however I discovered that Status is not listed as a field which can be monitored

    • When Zoho Tables Beta will be open to EU data center

      Hello all, We in EU are looking at you all using and testing and are getting jealous :) When we will be able to get into the beta also? We don't mind testing and playing with beta software. Thank you!

    • Pass current date to a field using Zoho Flow

      I am trying to generate an invoice automatically once somebody submits a record in Zoho CRM. I get an error in the invoice date. I have entered {{zoho.currentdate}} in the Date field. When I test the flow, I get "Zoho Books says "Invalid value passed

    • API: Mark Sales Order as Open + Custom Status

      Hi, it's possible to create Custom Status (sub-status actually) states for the Sales Order. So you have Open, Void. Then under Open you can have Open, and create one called Order Paid, Order Shipped, etc etc...which is grouped under Open. I can use the

    • Zoho Quartz Screen Recording

      Hello, can we get access to Quartz, please, as a standalone solution? It would be great for creating training videos for current and future staff on how to use Zoho software according to our company requirements. Thank you

    • Zoho Books - France

      L’équipe de Zoho France reçoit régulièrement des questions sur la conformité de ses applications de finances (Zoho Books/ Zoho Invoice) pour le marché français.   Voici quelques points pour clarifier la question :   Zoho Books est un logiciel de comptabilité

    • Utilisation de Zoho en conformité avec l’article 286 du Code général des impôts (CGI)

      Cher(e) client(e), Conformément à l’article 286 du Code général des impôts (CGI) impose aux entreprises assujetties à la TVA d’utiliser des systèmes de caisse ou de gestion commerciale certifiés lorsqu’elles enregistrent des ventes à des particuliers.

    • Please add an “Auto-Apply Unused Credits” toggle

      Hello — please add a simple org-level option to automatically apply unused credits (credit notes, excess payments, retainers) to new invoices and/or bills. An ON/OFF toggle with choices “invoices”, “bills”, or “both” would save lots of manual work for

    • Tip 26: How to hide the "Submit" button from a form

      Hi everyone, Hope you're staying safe and working from home. We are, too. By now, we at Zoho are all very much accustomed to the new normal—working remotely. Today, we're back with yet another simple but interesting tip--how to hide the Submit button from your forms. In certain scenarios, you may want to hide the submit button from a form until all the fields are filled in.  Use case In this tip, we'll show you how to hide the Submit button while the user is entering data into the form, and then

    • filter broke my data

      I uploaded a file recently from Sheets and it has top 2 rows frozen, with table headers in second row and each one is filterable. somehow my first 2 columns became unfiltered and no matter what I do I cannot reapply the filter?? also didn't realize they

    • Zoho MCP has no tools for Creator or 3rd Party Apps?

      I don't see a Zoho MCP community forum so putting this here. Two big problems I see: 1) Although Zoho advertises "over 950 3rd party apps" as available through their MCP, when I go to "Add Tools" there are ZERO 3rd party apps available to choose from.

    • Generate a link for Zoho Sign we can copy and use in a separate email

      Please consider adding functionality that would all a user to copy a reminder link so that we can include it in a personalized email instead of sending a Zoho reminder. Or, allow us to customize the reminder email. Use Case: We have clients we need to

    • Zoho Calendar soft bounce on @hotmail.com and @yahoo.com email addresses

      Hello, our Zoho calendar recently does not send the calendar invites to emails with hotmail and yahoo domains and comes back with a "soft bounce". other domains like Gmail works fine. Also sending "email" to the same emails to the above domains work well

    • Zoho Sign: need to leave document pending for up to a year, or maybe there's a better way?

      I have zoho one, maybe there's a better way to do this with another service than sending a zoho sign template from zoho crm. At the end of the day this requirement is due to regulations, no matter how dumb it may seem. I'm just looking for a way of getting

    • Cannot schedule report delivery

      The only 'send option' available when exporting reports is 'immediately' The option to schedule the report is missing.

    • how to use validation rules in subform

      Is it possible to use validation rules for subforms? I tried the following code: entityMap = crmAPIRequest.toMap().get("record"); sum = 0; direct_billing = entityMap.get("direct_billing_details"); response = Map(); for each i in direct_billing { if(i.get("type")

    • Separate Items & Services

      Hi, please separate items and services into different categories. Thank you

    • What's New in Zoho Inventory | Q2 2025

      Hello Customers, The second quarter have been exciting months for Zoho Inventory! We’ve introduced impactful new features and enhancements to help you manage inventory operations with even greater precision and control. While we have many more exciting

    • Control who sees Timeline and Interactions in Zoho CRM through Profiles

      The feature has been enabled for all DCs (except US, EU, and IN DCs). We will be rolling it out to the other DCs in the upcoming days. Dear All, In a CRM, not all users would require access to the history of a record. For instance, a Marketing Operations

    • Mastering Zia Match Scores | Let's Talk Recruit

      Feeling overwhelmed by hundreds of resumes for every job? You’re not alone! Welcome back to Let’s Talk Recruit, where we break down Zoho Recruit’s features and hiring best practices into simple, actionable insights for recruiters. Imagine having an assistant

    • Next Page