In this post, we will use POSTMAN as a client to connect to external SOAP Service. The reason behind explaining the client (POSTMAN) instead of Pega is: it is fundamental to learn how web-services work outside Pega. And then it is easy to co-relate it to Pega. This will help developers to debug the issues related to web-services easily.
Context: Objective of this post is to get hands-on POSTMAN and to understand on below:
- how we send a SOAP request to external service.
- how we get the SOAP response back from external service.
To proceed with this scenario: we can look at the public SOAP API's available online. In this post, we would use the below:
Service Name: Calculator
Operation Name: Multiply
Method: POST
#1 Use the below link which takes you to the list of Public SOAP API's available. And navigate to Introduction >> Calculator >> Multiply operation directly.
Click here to open the Public SOAP API's which we can use for this demo.
2 In the above link, you would observe two things:
#2.1 Sample Multiply Request (as shown in below screeenshot) where you are passing below two values
<intA>5</intA>
<intB>5</intB>
#2.2 Copy CURL snippet
#3 Download Postman from web browser to your system. And open the POSTMAN in your system.
#4 Now we are ready with the POSTMAN to hit the external system.
#5 Follow the below steps in POSTMAN
#5.1 Click on "Import"
#5.2 Navigate to "Paste Raw Text"
#5.3 Copy the raw text i.e. CURL snippet from step #2.2 and paste it here.
#5.4 And click on Import
#6 We have a request ready and just we need to pass the valid data in the request.
#6.0 Observe the endpoint URL in POSTMAN
#6.1 Click on Body of the request
#6.2 Select "raw" radio button
#6.3 And paste the sample request that you have collected as part of step #2.1
#6.4 Click on Send (as highlighted in below screenshot)
#7 Observe the response generated.
# 7.1 Observe that in the request you are passing two numbers 5 and 5 for multiplication.
# 7.2 So it should generate the result 25 in the response as below
In this post we have seen and observed below points:
Context: Objective of this post is to get hands-on POSTMAN and to understand on below:
- how we send a SOAP request to external service.
- how we get the SOAP response back from external service.
To proceed with this scenario: we can look at the public SOAP API's available online. In this post, we would use the below:
Service Name: Calculator
Operation Name: Multiply
Method: POST
#1 Use the below link which takes you to the list of Public SOAP API's available. And navigate to Introduction >> Calculator >> Multiply operation directly.
Click here to open the Public SOAP API's which we can use for this demo.
2 In the above link, you would observe two things:
#2.1 Sample Multiply Request (as shown in below screeenshot) where you are passing below two values
<intA>5</intA>
<intB>5</intB>
#3 Download Postman from web browser to your system. And open the POSTMAN in your system.
#4 Now we are ready with the POSTMAN to hit the external system.
#5 Follow the below steps in POSTMAN
#5.1 Click on "Import"
#5.2 Navigate to "Paste Raw Text"
#5.3 Copy the raw text i.e. CURL snippet from step #2.2 and paste it here.
#5.4 And click on Import
#6 We have a request ready and just we need to pass the valid data in the request.
#6.0 Observe the endpoint URL in POSTMAN
#6.1 Click on Body of the request
#6.2 Select "raw" radio button
#6.3 And paste the sample request that you have collected as part of step #2.1
#6.4 Click on Send (as highlighted in below screenshot)
#7 Observe the response generated.
# 7.1 Observe that in the request you are passing two numbers 5 and 5 for multiplication.
# 7.2 So it should generate the result 25 in the response as below
- From client like POSTMAN how to invoke external public SOAP API.
- SOAP API we used here has HTTP endpoint in the URL.
- We have passed two numbers (5,5) in the request and observed that external SOAP Service has multiplied the inputs and gave a result of 25 in the SOAP Response.
Stay tuned: Below is the plan on the Integration: Web Services w.r.t HTTP/HTTPS (outside Pega i.e. POSTMAN and within Pega)
- How to call Public SOAP Service (HTTP endpoint) from client (POSTMAN). This is covered in this post already. Remaining below points will be covered in subsequent points.
- How to call same above Public SOAP API (HTTP endpoint) from Pega.
- How to call Public SOAP API (HTTPS endpoint) from POSTMAN. (Here knowledged on SSL/HTTPS would help, where we will talk about certificates)
- How to call Public SOAP API (HTTPS endpoint) from Pega. (Here knowledged on SSL/HTTPS would help, where we will talk about certificates)
- Once above combination for SOAP w.r.t HTTP && HTTPS is complete, we would cover similarly for REST.
Thanks,
HowToPega.info
Good one :)
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