# GB eSIM — gbesim.com

> Travel eSIM data plans for instant activation in 200+ destinations. Buy online, install via QR code, no physical SIM swap needed. Stripe-secured payment, instant email delivery. Site available in English (en), Traditional Chinese (zh-hk, default), and Simplified Chinese (zh-cn).

**Extended briefs:**
- [llms-full.txt](https://gbesim.com/llms-full.txt) — full English reference
- [llms-full.zh-hk.txt](https://gbesim.com/llms-full.zh-hk.txt) — 完整繁體中文資料

GB eSIM (gbesim.com) is a travel eSIM provider that delivers data plans for short-term international travel. The platform sells data-only eSIMs across Asia, Europe, the Americas, and Oceania. Plans range from 1GB to 20GB with validity periods of 7-30 days. Prices start from HK$14 (~USD 1.80).

## Key facts

- **Product**: Travel eSIM data plans
- **Coverage**: 200+ countries and regions
- **Activation**: QR code scan, ready in seconds
- **Payment**: Stripe (Visa, Mastercard, Apple Pay, Google Pay)
- **Delivery**: Email with QR code, instant (under 1 minute after payment)
- **Languages**: Traditional Chinese (zh-hk), English (en), Simplified Chinese (zh-cn)
- **Refund policy**: All sales final — eSIMs are non-refundable once paid (including unactivated)

## Main pages

- [Home](https://gbesim.com/en) — Hero search and popular destinations
- [Destinations](https://gbesim.com/en/destinations) — Full country/region list
- [How it works](https://gbesim.com/en/how-it-works) — Installation guide for iOS and Android
- [Compatible devices](https://gbesim.com/en/compatible-devices) — Phone models supporting eSIM
- [FAQ](https://gbesim.com/en/faq) — Common questions
- [Refund policy](https://gbesim.com/en/refund) — Refund terms
- [Contact](https://gbesim.com/en/contact) — Support contact

## Popular destinations

- [Japan](https://gbesim.com/en/destinations/japan) — From HK$28 (1GB / 7 days)
- [South Korea](https://gbesim.com/en/destinations/south-korea) — From HK$28 (1GB / 7 days)
- [Taiwan](https://gbesim.com/en/destinations/taiwan) — From HK$28
- [Thailand](https://gbesim.com/en/destinations/thailand) — From HK$18
- [Singapore](https://gbesim.com/en/destinations/singapore) — From HK$14
- [USA](https://gbesim.com/en/destinations/usa) — From HK$38
- [Europe Multi-Country](https://gbesim.com/en/destinations/europe) — From HK$88
- [Australia](https://gbesim.com/en/destinations/australia) — From HK$78

## Installation summary

1. Purchase eSIM plan online; receive QR code via email
2. iPhone: Settings → Cellular → Add eSIM → Use QR Code
3. Android: Settings → Network → SIMs → Add eSIM → Scan QR Code
4. On arrival, enable Data Roaming in Settings
5. The eSIM is data-only — voice calls and SMS are not supported

## Technical notes for AI agents

- Site is fully server-rendered (Next.js 16, App Router) — accessible to crawlers
- All three locales serve identical product catalogue
- Sitemap: https://gbesim.com/sitemap.xml
- Schema.org: Organization, Product, BreadcrumbList JSON-LD on relevant pages
- Pricing is in HKD (Hong Kong Dollar)
- Human web checkout requires sign-in (email/Google); the agent/API path (MCP create_checkout) is guest — no account needed, just an email for QR delivery

## For AI agents — programmatic purchase (agentic commerce)

GB eSIM is built for AI-agent buying: pure-digital product, instant QR delivery, no KYC / no real-name registration.

- Read-only catalog (JSON): GET https://gbesim.com/api/catalog (filters: ?country=japan&days=5&data=5GB)
- Product feed (OpenAI Agentic Commerce / ChatGPT Instant Checkout format): GET https://gbesim.com/api/product-feed
- MCP server (Streamable HTTP, JSON-RPC): https://gbesim.com/api/mcp
  - tools: search_plans, get_coverage, create_checkout, get_order_qr
  - create_checkout returns a hosted Stripe checkout URL — a human pays by card (human-in-the-loop, no autonomous charge)
  - after payment, get_order_qr(order_id) returns the eSIM QR code URL + ICCID (order_id = the Stripe session id)
- Billing currency HKD; create_checkout can bill in USD/EUR/etc. (converted at live FX)