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Integrating Jack Henry banking APIs with Choreo

Creating a proxy API for Jack Henry banking APIs. Blog post for this repo can be found here https://medium.com/@chintanaw/integrating-apps-and-services-with-jack-henry-banking-apis-7da61ad8e832

Sequnce diagram for the message exchange

image

The flow and the user experience looks like below

JackHenryFlow.mp4

Generate accounts and tokens with jackhenry.dev

Go to https://jackhenry.dev/, sign up and follow the instructions for generating tokens. Then enroll a user in Garden

Mediation policy for handling authentication

  1. Under JHAuhtPolicy folder you can find the mediation policy
  2. Follow the prerequisites in this guide, generate a token and copy that to ~/.ballerina/Settings.toml
  3. Use Ballerina 2201.3.1 to build and push the mediation policy

Create proxy API in Choreo

  1. Use the OpenAPI spec here - https://jackhenry.dev/open-api-docs/consumer-api/api-reference/v0/accounts/details/
  2. Follow this guide for creating a REST API proxy in Choreo - https://wso2.com/choreo/docs/develop/components/api-proxy/
  3. Publish the API
  4. Go to Devportal and subscribe to the API then generate an access token
  5. Copy the access token the app under jh-app and run it