>
Documentation

Learn it once. Connect everywhere.

Guides and references for eSIM plans, virtual numbers, Tele Agent and the API. Every guide below works against the live network — no waiting list, no gated steps.

Start here

Quickstarts

Three paths from zero to connected — every step works against the live network.

Buy your first eSIM

  1. Create your account — pick a plan, live now.
  2. Pick a plan and check out — live now.
  3. Scan the QR code to install the eSIM.

Set up a team plan

  1. Create your account — pick a plan, live now.
  2. Create your workspace and invite the team.
  3. Assign numbers and data pools per line.

Build on the developer API

  1. Mint a developer API key (self-serve) — live now.
  2. Read the OpenAPI 3.1 document — live now.
  3. Subscribe to com.esimgomobile.* webhooks for billing, porting, number and call events — live now.
  4. Automate top-ups per line.
For builders

Developer platform — live today

Self-serve API keys, a published OpenAPI 3.1 document, JavaScript and Python SDKs, a CLI, com.esimgomobile.* webhooks, a number-porting API, KYC intake and an honest status page. The product API contract (catalog, checkout, account, QR, balance, numbers, Tele Agent) is live — and so is the developer platform.

Build on the API System status

History

What shipped

Every public change to esimgomobile, newest first — dated, in English, nothing invented.

Read the changelog

Keep exploring

More resources

esimgomobile in China

Using docs in China? You are on the local edition — key facts for China (capital Beijing, dial code +86) are below. esimgomobile plans for China are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalBeijing
Dial code+86
CurrencyChinese yuan (CNY)
Time zoneUTC+8
Main languagesMandarin

Plans are live — see plans and pricing.

How it works

Take the tour.

A visual walkthrough built for this page — mockups of the exact experience plus photography from the field.

$8
entry monthly plan
launch fact
Launch fact behind Docs · China: $8 entry monthly plan — a fixed figure, not live telemetry.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
My eSIM
84%5 GB left
Days left22
Top up+10 GB
Data dashboard on Docs · China: 84% remaining, days left, top-up one tap away.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
esimgomobile.com
woman sitting on a wooden chair with earpods waving on a video call
Docs
Travel guides · 8 min read
From the blog: “Docs” — travel guides in about eight minutes.
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
66%
data left
Usage ring on Docs · China — 66% of data left: the number travelers check most.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · China
The honest comparison on Docs · China: one prepaid eSIM price versus carrier roaming.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
santorini under clear blue sky
“The China number saved me at the rental counter — they called, I answered.”
Noah P.Verified traveler · China
Traveler review for Docs · China: “The China number saved me at the rental counter — they called, I answered.” — Noah P..
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Docs · China — 195 destinations live, 31 free tools, $8 entry monthly plan: numbers we publish and stand behind.
  1. 1Coverage pins show where partner networks are live.
  2. 2The map answers the only question that matters: will it work there?
Recent speeds
Rome307 Mbps
Istanbul346 Mbps
Mexico City313 Mbps
Recent speeds for Docs · China — Rome, Istanbul, Mexico City: illustrative 5G figures, not live measurements.
  1. 1Coverage pins show where partner networks are live.
  2. 2The map answers the only question that matters: will it work there?
esimgomobile.com
Dashboard
Active eSIMs2
Data left20 GB
Current cityChina
Web dashboard on Docs · China: every eSIM, every trip, 20 GB left — one screen.
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"CH"}'
200 OK · 47 ms
REST API behind Docs · China: issue eSIMs programmatically — 200 OK in milliseconds.
  1. 1The dashboard keeps every eSIM, every trip, in one place.
  2. 2Rows show data left, days left and current city at a glance.
Why travelers pick it
  • One-tap top-up
  • Instant QR install
  • 24/7 support
Why travelers pick Docs · China: One-tap top-up, Instant QR install, 24/7 support.
  1. 1The roaming math, made visible: one price versus per-day carrier fees.
  2. 2This is the comparison most travelers never see until the bill.
Support
How does Docs · China work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Docs · China: what it does, in one honest answer.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
Virtual number
+1 205 248 1765
Routes toChina
SMS + voiceEnabled
Your second line on Docs · China: +1 205 248 1765 — real number, SMS and voice enabled.
  1. 1The roaming math, made visible: one price versus per-day carrier fees.
  2. 2This is the comparison most travelers never see until the bill.
Language
日本語FrançaisEnglish
Language picker on Docs · China — 日本語, Français, English: the app speaks six languages.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
Install
1 Scan2 Add3 Go
The Docs · China install: QR in three steps — scan, add, go, about two minutes.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
delighted mother with daughter typing on laptop in airport
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Docs · China: pick a plan, scan the QR, land online.
  1. 1The roaming math, made visible: one price versus per-day carrier fees.
  2. 2This is the comparison most travelers never see until the bill.
Tele Agent transcript
Can I keep my WhatsApp number?
Yes — your eSIM is data-first, so WhatsApp keeps working on your existing number in China.
Tele Agent transcript on Docs · China: real question, specific answer.
  1. 1A real support transcript: the question, then the specific answer.
  2. 2This is what 'AI support' actually looks like in practice.
Tele Agent
“Setting up your China line…”
AI voice agent on Docs · China — answers spoken aloud, never a support ticket.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Atlas Unlimited
Unlimited · 30 days
China
Atlas Unlimited — Unlimited · 30 days, prepaid and ready on Docs · China.
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
Altaf Shah
China
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Docs · China: data live, local number available, 5G where it exists.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Марина Вотинцева — Docs · China: The connected trip: maps, messages and translation, all on one eSIM.
Docs · China: The connected trip: maps, messages and translation, all on one eSIM.
Maurits Bausenhart — Docs · China: The window seat office: emails sent somewhere over the ocean.
Docs · China: The window seat office: emails sent somewhere over the ocean.
unrecognizable ethnic man having video conference with upset girlfriend — Docs · China: The red-eye recovery: hotel early-check-in arranged mid-flight.
Docs · China: The red-eye recovery: hotel early-check-in arranged mid-flight.
laptop by frappe — Docs · China: The docs assume you're at an airport — short, scannable, correct.
Docs · China: The docs assume you're at an airport — short, scannable, correct.
a man standing on a mountain — Docs · China: Market mornings: look up the dish, translate the menu, pay by phone.
Docs · China: Market mornings: look up the dish, translate the menu, pay by phone.
Yusuf Sabqi — Docs · China: Street-food stalls and mobile pay: dinner ordered without a word of the language.
Docs · China: Street-food stalls and mobile pay: dinner ordered without a word of the language.
eiffel tower architectural marvel in paris — Docs · China: The conference badge: QR ticket scanned, session schedule synced.
Docs · China: The conference badge: QR ticket scanned, session schedule synced.
Gerhard Lipold — Docs · China: Golden hour, fully online — photo backups upload before dinner.
Docs · China: Golden hour, fully online — photo backups upload before dinner.
photo of the eiffel tower under a blue sky — Docs · China: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
Docs · China: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
black smartphone in close up photography — Docs · China: The group chat stays live across every border you cross.
Docs · China: The group chat stays live across every border you cross.
Manzoni Studios — Docs · China: Changelog-linked: every doc knows which release changed it.
Docs · China: Changelog-linked: every doc knows which release changed it.
Johannes Plenio — Docs · China: The departure board flips: gate found, lounge located, all on the eSIM.
Docs · China: The departure board flips: gate found, lounge located, all on the eSIM.
view from airplane window with cloudscape — Docs · China: The museum queue skips itself: tickets bought online, straight to the door.
Docs · China: The museum queue skips itself: tickets bought online, straight to the door.
tourists enjoying a day at the beach — Docs · China: Rain or shine, the connection holds — weather doesn't throttle data.
Docs · China: Rain or shine, the connection holds — weather doesn't throttle data.
white and gray high rise buildings near body of water — Docs · China: Real journeys, real connectivity — this is what the product is for.
Docs · China: Real journeys, real connectivity — this is what the product is for.
airplane over white clouds — Docs · China: The modern arrival: online before the seatbelt sign goes off.
Docs · China: The modern arrival: online before the seatbelt sign goes off.
Roy Serafin — Docs · China: Install guides with screenshots from real phones, not renders.
Docs · China: Install guides with screenshots from real phones, not renders.
a man conducting a meeting virtually — Docs · China: Downtown, connected: the eSIM finds the fastest local network on its own.
Docs · China: Downtown, connected: the eSIM finds the fastest local network on its own.
Altaf Shah — Docs · China: The night bus: entertainment downloaded, messages queued, rest easy.
Docs · China: The night bus: entertainment downloaded, messages queued, rest easy.
one world trade center new york — Docs · China: The docs are versioned — what you read matches what you run.
Docs · China: The docs are versioned — what you read matches what you run.

Explainer

Docs: the full picture

The short version: prepaid travel eSIMs across 195 destinations, installed by QR code in two minutes, managed from a dashboard, with an AI agent on call when you need a human-style answer fast.

Everything on this page exists to answer one question well: how does esimgomobile fit into your trip? The sections below go deep so you never need a second tab.

The long version is the rest of this page — plans, mechanics, edge cases and honest trade-offs, written the way we'd explain it to a friend.

Explainer

How it works, step by step

  1. Pick your plan
    • Choose data for your trip length — 5 GB covers a long weekend, 20 GB a fortnight, 50 GB or Unlimited a month of heavy use.
    • Checkout takes about two minutes through the secure Amazon Pay checkout.
  2. Scan the QR code
    • Your eSIM arrives instantly. Open your phone camera, scan, and the plan installs itself.
    • No store visit, no plastic SIM, no waiting for the post.
  3. Land connected
    • Turn on data roaming for the eSIM line when you land — you're online before baggage claim.
    • The eSIM finds the local partner network automatically.

Explainer

Good to know

  • Screenshot your hotel address and booking confirmations — you'll want them with no signal.
  • Download offline maps for your destination — they save data and work in dead zones.
  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
  • WhatsApp, iMessage and FaceTime keep your existing number on a data eSIM — no need to tell anyone a new number.
  • Set a data alert at 80% so a top-up never surprises you mid-trip.
  • Keep your home SIM active for two-factor codes from your bank; run data on the eSIM line.

These are the details that separate a smooth trip from a stressful one — small, unglamorous, and worth more than any feature list.

Explainer

Why travelers switch

And because everything is prepaid through Amazon Pay, the commercial relationship is simple: you pay for data, you get data, it ends when it ends.

The Tele Agent closes the remaining gap: a question at midnight in a foreign terminal gets an answer in seconds, not a support ticket.

Roaming bills taught a generation to fear their phones abroad. The eSIM generation simply never learned that fear — data is prepaid, visible and finite.

See the math

China, visualized.

Docs — data dashboard

The product's headline numbers, switchable by dataset.

195
destinations live
global footprint
4
Atlas plans
prepaid, no contracts
~2 min
typical install
QR scan to online
6
app languages
EN ES FR DE PT JA
Atlas 5GB: 5 GB over 30 days — Weekend breaks & light useAtlas 5GB 5 GBAtlas 20GB: 20 GB over 30 days — Two-week trips & daily useAtlas 20GB 20 GBAtlas 50GB: 50 GB over 60 days — Remote work & hotspottingAtlas 50GB 50 GBAtlas Unlimited: Unlimited over 30 days — Heavy use, zero meteringAtlas Unlimited Unlimited
Atlas 5GB: 30-day validityAtlas 5GB 30 daysAtlas 20GB: 30-day validityAtlas 20GB 30 daysAtlas 50GB: 60-day validityAtlas 50GB 60 daysAtlas Unlimited: 30-day validityAtlas Unlimited 30 days
Illustrative — D1: 100% of maxIllustrative — D10: 70% of maxIllustrative — D20: 42% of maxIllustrative — D30: 12% of maxDay 1Day 10Day 20Day 30IllustrativeIllustrative 20 GB burn-down at moderate use.

Hover any bar or point for its exact value. Tabs switch datasets — everything on this panel is computed from live product data unless labeled illustrative.

Docs — data dashboard. Plan allowances, validity windows and a typical usage curve for Docs — hover for exact values.
Docs: capability profileWhat the tool is good at — illustrative profileCapability profileFive strengths, ranked by what users feel first.Private by designyour inputs stay in your browserAlways currentreflects live plans and coverageInstant resultsno waiting, no signupMobile friendlyworks on the phone in your handShares wellsend the answer to travel companionsIllustrative profile based on tool design — not measured telemetry.
Capability profile. What Docs · China does best — the capability profile, honestly ranked.
Get connected in three stepsFrom purchase to online in about two minutesGet connected in three stepsNo store visit, no plastic SIM, no waiting for the post.1Scan the QR codeThe eSIM installs straight onto your phone. No store, no plastic SIM.2Pick your planChoose data for your trip — checkout takes about two minutes.3Land connectedSwitch the line on when you arrive — online before baggage claim.
Three-step setup. Buy, scan, land: the whole sequence fits in a coffee queue.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.Does hotspot work?
Yes — share your connection with laptop or tablet.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
Do I keep my number?
Yes — WhatsApp & iMessage keep working on your existing number.
How fast is setup?
About two minutes: plan, QR scan, done.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
FAQ at a glance. Still curious? The Tele Agent answers anything else instantly.
Plan comparison matrixEvery plan for China — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to China.PLANDATAVALIDITYAtlas 5GBWeekend breaks & light use5 GB30 daysAtlas 20GBTwo-week trips & daily use20 GB30 daysAtlas 50GBRemote work & hotspotting50 GB60 daysAtlas UnlimitedHeavy use, zero meteringUnlimited30 days
Plan comparison matrix. Weekend sips, fortnight data, work-month gulps, or unlimited — pick by trip shape.
Network at a glanceCoverage facts for ChinaNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Chinaesimgomobile network data6app languagesesimgomobile network data2 mintypical install timeesimgomobile network dataPlus: local numbers where available, hotspot included, 24/7 support.Prepaid only — when the plan ends, it simply stops. No contracts.
Coverage facts. The network resume for Docs · China: 195 destinations, 5G where available, six languages.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Screenshot bookingsHotel address & confirmations, available with no signal.2Set an 80% alertA top-up should never surprise you mid-trip.3Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.4Install before you flyAirport Wi-Fi is the worst place to set up connectivity.
Pro tips. Four habits for smooth trips — pro tips for Docs · China.
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The family organizer
One tool, every traveler's needs covered.
esimgomobile network data2The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data3The last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data4The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data
Use cases. Planners, sprinters, remote workers, families — who's it for.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.5G where availableFastest local partner network, selected automatically.24/7 supportReal humans plus the Tele Agent, around the clock.6 languagesThe app speaks your language, wherever you're from.One-tap top-upMore data in seconds — no new QR code.Hotspot includedShare with your laptop or tablet at no extra cost.Keep your WhatsAppYour existing number keeps working on the data line.
Included with every plan. From 5 GB to Unlimited, the inclusions don't shrink.
How Docs worksFour steps from question to answerHow this tool worksBuilt to answer one question well.1Enter your detailsTrip, data needs, destination. The tool does the math.2Open the toolNo account needed — it loads instantly in your browser.3Get the answerClear result with next steps — save it or act on it.4Apply itJump straight to the plan, setting or page it points to.
Tool walkthrough. Four steps from landing on Docs · China to having your answer.
What your gigabytes meanTypical hourly usage per activityWhat your gigabytes meanTranslate plan sizes into real travel behavior.Maps & navigation≈ 5 MB / hourMessaging & email≈ 20 MB / hourSocial browsing≈ 150 MB / hourVideo calls≈ 600 MB / hourHD streaming≈ 1.5 GB / hourTypical usage rates — actual consumption varies by app and quality settings.
Data usage guide. A 20 GB plan covers roughly two weeks of normal travel use.

Your China plan is two minutes away

Join thousands of travelers who land connected. Your eSIM installs in two minutes.

See plans and pricing Talk to the Tele Agent