How To Create Custom Connector In Power Platform From Scratch

Introduction

In this article, I will show you how to create a custom connector inside the power platform from scratch. Custom connectors help us to create our own connectors for any web API that has a REST/API. We can create triggers and actions based on our requirements and it’s reusable.

Prerequisites

We need any Web API currently I am using Holiday web API which is free for developer

Steps to create a custom connector

Step 1

Open your power automate.

Step 2

From the left navigation panel expands the Data menu and select Custom connectors.

Step 3

Expand New custom connector and select Create from blank.

Step 4

Add the connector name in the below box and do click on the Continue button.

Step 5

When you click on the continue button you will be redirected to another screen as below

.

Inside the custom connector, we have 5 different stages or menus so let’s start with the first one.

Step 6

Let’s start with the General tab. In this tab you can upload your logo, you can set your Icon background color, can describe your connector then you need to select Scheme and Host as below image

Name	Value
Icon background color	#007ee5
Description	any text
Scheme	HTTPS
Host	As per your API (I have selected holiday API)

Step 7

Click on Create connector

Step 8

Select the Security tab

Step 9

Select the Edit button from Authentication type.

Step 10

Select Authentication type from the drop-down, I am selecting API Key as per web API.

Step 11

Add details in the below dialog box

Name	Value
Parameter label	API Key
Parameter name	key (label name is the same as your query parameter in WEB API)
Parameter location	Query

Step 12

Click on the Update Connector button.

Step 13

Select the Definition tab

Step 14

Select the New Action button as below screen.

Step 15

Enter details in the General box

Name	Value
Summary	You can enter as you want
Description	As per your requirement
Operation ID	Holiday(Is a unique string)
Visibility	None

Step 16

Select Import from a sample from Request.

Step 17

New side panel will open and the inside panel and add value.

Select the GET method and past your web API URL and click on Import.

Step 18

When you click on the import button below the three-parameter, are added to the request section

Step 19

Expand Key Parameter and Delete the Key parameter because we have already added a key to our security section

Step 20

Select country Parmenter and select edit button

Step 21

You can pass the summary description and required fields

Step 22

Close the parameter section and go to response section and click on Add default response button

Step 23

Below panel will open inside the body pass sample JSON for response and click on import

Step 24

Now your definition section is done click on the 5 Test tab for testing our custom connector

Step 25

Click on the New connection button

Step 26

New windows will be open inside this past your API key and click on create a connection

Step 27

Once you click on the connection your windows will be closed and from test, tab click on the refresh button

Step 28

Once you click on the refresh button new connection, will be added to the connection section

Step 29

Inside the desperation pass your county and year and click on the Test operation button

Output

You will get your result in the body inside Response section

Conclusion

This is how we can easily create custom connectors and we test custom connector