{"activeVersionTag":"latest","latestAvailableVersionTag":"latest","collection":{"info":{"_postman_id":"c3aa2832-ae77-4c22-8272-dccd8b625acf","name":"Helix CAS API Documentation","description":"With Helix CAS, we are providing easy integration with legacy or back-office systems via API. This documentation includes our standard modules as well as custom modules which are added upon request. If you have questions, or if you wish to add functionalities to the current API, please contact our support team: [support@helixcas.com](https://mailto:support@helixcas.com)\n\n# Changelog\n\n| **Version** | **Details** |\n| --- | --- |\n| 1.6 (current) | Updated API process to improve security |\n| 1.5 | Updated Voucher API |\n| 1.4 | Update Email |\n| 1.3 | Updated documentation |\n| 1.2 | Added POS API |\n| 1.1 | Added Master-List API |\n| 1.0 | Initial Documentation |\n\n# **Getting started**\n\n`Before using the API, you need a license for Helix CAS software. If you do not have a valid license, you may send an email to: sales@helixcas.com`\n\nTo start using the HelixCAS API, you need to -\n\n- have a valid Company ID, User, and Password. This will provided after obtaining a license for Helix CAS\n- a copy of Helix CAS public key. This will be provided once you request to use Helix CAS API. If you need assistance, you may send an email to: [<b>support@helixcas.com</b>](https://mailto:support@helixcas.com)\n- The API only responds to HTTPS-secured communications. Any requests sent via HTTP return an HTTP 301 redirect to the corresponding HTTPS resources.\n- The API returns request responses in JSON format. When an API request returns an error, it is sent in the JSON response as an error key.\n    \n\n## Authentication\n\nThe HelixCAS API uses RSA and AES for authentication.\n\n### Authentication error response\n\nIf an authentication code is missing, malformed, or invalid, you will receive a 401 Unauthorized response code.\n\n### **Need some help?**\n\nIn case you have questions, please send an email to : [support@helixcas.com](https://mailto:support@helixcas.com)\n\n## Test Endpoint\n\n[https://app.helixcas.com/api](https://app.helixcas.com/helix)","schema":"https://schema.getpostman.com/json/collection/v2.0.0/collection.json","isPublicCollection":false,"owner":"1237913","team":2132666,"collectionId":"c3aa2832-ae77-4c22-8272-dccd8b625acf","publishedId":"2s9YC2ztLY","public":true,"publicUrl":"https://api2-docs.helixcas.com","privateUrl":"https://go.postman.co/documentation/1237913-c3aa2832-ae77-4c22-8272-dccd8b625acf","customColor":{"top-bar":"FFFFFF","right-sidebar":"d6e7b2","highlight":"097fcd"},"documentationLayout":"classic-single-column","customisation":{"metaTags":[{"name":"description","value":"With Helix CAS, we are providing easy integration with legacy or back-office systems via API. 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