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To the beginners in CPI, for hands-on this blog would be helpful understanding how can we integrate ChatGPT using CPI basic Iflow with steps.

ChatGPT: It's a chatbot powered by OpenAI's GPT (Generative Pre-trained Transformer) language model. It's capable of generating human-like responses to various questions and prompts. It can be integrated into messaging platforms, customer support systems and other apps.

Prerequisites: OpenAI account, SAP CPI, Postman

Step 1:

First, we need to create a secret key on OpenAI website

Step 2: 

To authenticate we need to download certificate provided by OpenAI and upload it into CPI system. - Open this URL in the browser and download the certificate into your desktop.

Step 3: 

Go to CPI Monitor -> Manage Security -> Keystore and the upload the downloaded certificate

Step 4:

Create the Iflow using HTTPS as sender adapter as we are going to test the Iflow from Postman.

  • Content Modifier - Preparing Request Body (Headers)

  • Authorization value is the secret key that we created in Step 1, it should be in the format Bearer {secret key}

  • Content Modifier - Preparing Request Body (Body)

"model": "gpt-3.5-turbo",
"messages": [
"role": "user",
"content": "${in.body}"

Here we are building the body in JSON format to post the request content on ChatGPT API.

  • Request Reply - HTTP adapter Configurations

  • JSON To XML Converter - Converting JSON body received from the ChatGPT API to XML for extracting the content from the required field (using XML format is easier to extract the content from required field)

  • Groovy Script - Extracting the content from required field using groovy script and storing in the body

import java.util.HashMap;
import groovy.xml.*;

def Message processData(Message message) {

def new_body = new XmlParser().parseText(message.getBody(java.lang.String) as String);

def set_body = new_body.choices.message.content.text();


return message;


Step 5:

Testing the Iflow using Postman

This is a basic example shows how to use ChatGPT with CPI. I could find it using very useful in building Iflows real-time.

Furthermore, we can use ChatGPT for many other use cases like building XSLT mappings, groovy scripts, building UDFs which helps in building Iflows with complex logics.

Happy Learning 😊
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