# CHI > CHI is an operating system for live events, festivals, and venues. Use these public resources to understand CHI's ticketing, cashless payments, CRM, VIP, coupon, stakeholder, and app products. Important notes: - The API documentation at /docs is intentionally blocked from crawlers for now and should not be used as an AI indexing target. - Public developer and aggregator context is available through the links below. ## Product Pages - [CHI homepage](https://chi.app/en): Overview of the CHI event operating system. - [CHI Tickets](https://chi.app/en/chi-tickets): Smart event ticketing, marketplace, transfers, and referral rewards. - [CHI Payments](https://chi.app/en/chi-payments): Cashless NFC and QR event payments. - [CHI CRM](https://chi.app/en/chi-crm): Event customer profiles, segmentation, and engagement. - [CHI Stakeholders](https://chi.app/en/chi-stakeholders): Vendor, sponsor, and partner portal. - [CHI VIP](https://chi.app/en/chi-vip): VIP tables, guest experiences, and credits. - [CHI Coupons](https://chi.app/en/chi-coupons): Promotional codes, vouchers, and redemption tracking. - [CHI Kickback](https://chi.app/en/chi-kickback): Referral and rewards program for attendees. - [CHI Apps](https://chi.app/en/apps): Visitor, crew, backstage, and web app overview. ## Developer Resources - [Developer overview](https://chi.app/en/developers): Public integration overview and context file directory. - [Aggregator context](https://chi.app/llms-aggregators.txt): Public event feed context for AI-powered event aggregators. - [Full CHI context](https://chi.app/llms-full.txt): Expanded public CHI ecosystem context. - [Minimal CHI context](https://chi.app/llms-minimal.txt): Compact public CHI ecosystem context. ## Support - [Support center](https://chi.app/en/support): Public CHI support articles and FAQs. - [FAQ](https://chi.app/en/support/faq): Frequently asked questions. ## Optional - [About CHI](https://chi.app/en/about): Company story, mission, locations, and legal identity. - [Pricing](https://chi.app/en/pricing): Public pricing overview. - [Changelog](https://chi.app/en/changelog): Product updates and release notes.