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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.
Shortcuts

Popular right now

Check device compatibility→ Installation guide→ Coverage by country→ API & developers→ System status→ Pricing→ eSIM plans→ Virtual numbers→ Tele Agent→
Platform

The platform, in five parts

Coverage

195 country guides with install steps and local network notes.

Read →

Plans

Data plus a permanent phone number on one eSIM line.

Read →

Numbers

Real virtual numbers for calls, SMS and verification codes.

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Tele Agent

An AI receptionist that answers, books and summarizes calls.

Read →

API

Catalog, checkout, account, QR, balance, numbers and Tele Agent endpoints.

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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

Blog→ Tools hub→ Pricing→ Status→ Support→

esimgomobile in Luxembourg

Using docs in Luxembourg? You are on the local edition — key facts for Luxembourg (capital Luxembourg, dial code +352) are below. esimgomobile plans for Luxembourg are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalLuxembourg
Dial code+352
CurrencyEuro (EUR)
Time zoneUTC+1
Main languagesLuxembourgish, French, German

Plans are live — see plans and pricing.

Up close

The product, up close.

Twenty product screens and twenty field photos — this is what traveling connected looks like.

esimgomobile.com
father with son walking near light aircraft
Docs
Travel guides · 8 min read
From the blog: “Docs” — travel guides in about eight minutes.
  1. 1The dashboard keeps every eSIM, every trip, in one place.
  2. 2Rows show data left, days left and current city at a glance.
My eSIM
54%50 GB left
Days left21
Top up+10 GB
Data dashboard on Docs · Luxembourg: 54% remaining, days left, top-up one tap away.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Coverage
195
destinations live
Luxembourg5G ready
Check coverage
Coverage at a glance for Docs · Luxembourg: 195 destinations live, fastest local partner selected on its own.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
esimgomobile.com
Plans for Luxembourg
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Docs · Luxembourg: 5GB, 20GB, 50GB and Unlimited — pick by trip, not fine print.
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
Speed test
878Mbps
5G · Luxembourg · 39 ms
Illustrative speed readout on Docs · Luxembourg: 878 Mbps, 39 ms — example figures, not live measurements.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
three people walking on the beach with the ocean in the background
“My hotspot ran the whole Airbnb in Luxembourg for two weeks.”
Jonas K.Verified traveler · Luxembourg
Traveler review for Docs · Luxembourg: “My hotspot ran the whole Airbnb in Luxembourg for two weeks.” — Jonas K..
  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.
Luxembourg · 5G
Signal widget on Docs · Luxembourg: network generation and place, always visible.
  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 · Luxembourg
The honest comparison on Docs · Luxembourg: one prepaid eSIM price versus carrier roaming.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
esimgomobile.com
Dashboard
Active eSIMs4
Data left20 GB
Current cityLuxembourg
Web dashboard on Docs · Luxembourg: every eSIM, every trip, 20 GB left — one screen.
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
Luxembourg · coverage
5 carriers · automatic selection
Coverage map on Docs · Luxembourg: partner networks pinned, selection automatic.
  1. 1Coverage pins show where partner networks are live.
  2. 2The map answers the only question that matters: will it work there?
Tele Agent transcript
Do I need a local number in Luxembourg?
A local Luxembourg number is available on this plan — I can attach it before you land.
Tele Agent transcript on Docs · Luxembourg: real question, specific answer.
  1. 1Coverage pins show where partner networks are live.
  2. 2The map answers the only question that matters: will it work there?
mother and daughter walking at eindhoven airport
Luxembourg
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Docs · Luxembourg: data live, local number available, 5G where it exists.
  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.
eiffel tower and building
Ready for Luxembourg?
Get your eSIM
Live now · no waitlist
“Ready for Luxembourg?” — the CTA card on Docs · Luxembourg: plans live now, no waitlist.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
Support
How does Docs · Luxembourg work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Docs · Luxembourg: 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.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Docs · Luxembourg — 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?
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"LU"}'
200 OK · 77 ms
REST API behind Docs · Luxembourg: issue eSIMs programmatically — 200 OK in milliseconds.
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
Network
5G
Luxembourg connected
Network widget for Docs · Luxembourg: 5G, full bars — zero ambiguity about the connection.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
eSIM plan
Atlas 5GB5 GB · 30 days
Luxembourg
Install eSIM
Atlas 5GB on Docs · Luxembourg — 5 GB · 30 days, prepaid with the full price shown before you pay.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
church on santorini
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Docs · Luxembourg: 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.
Recent speeds
Lisbon224 Mbps
Rome865 Mbps
Bangkok207 Mbps
Recent speeds for Docs · Luxembourg — Lisbon, Rome, Bangkok: illustrative 5G figures, not live measurements.
  1. 1Mockups illustrate the product flow — captions describe what's real.
  2. 2Figures labeled as examples show sample data, never live telemetry.
Bernd Feurich — Docs · Luxembourg: Currency exchange, skipped: the phone pays at the real rate.
Docs · Luxembourg: Currency exchange, skipped: the phone pays at the real rate.
breathtaking santorini sunset over the aegean sea — Docs · Luxembourg: The long layover: streaming, working and messaging, all covered.
Docs · Luxembourg: The long layover: streaming, working and messaging, all covered.
Young multiethnic tourists with hiking equipment surfing internet on cellphone on roadway against trees. — Docs · Luxembourg: The modern arrival: online before the seatbelt sign goes off.
Docs · Luxembourg: The modern arrival: online before the seatbelt sign goes off.
man on the peak of a mountain — Docs · Luxembourg: Family group chat: location shared, dinner plans settled in minutes.
Docs · Luxembourg: Family group chat: location shared, dinner plans settled in minutes.
view of airplane wing and clouds from cabin — Docs · Luxembourg: The night bus: entertainment downloaded, messages queued, rest easy.
Docs · Luxembourg: The night bus: entertainment downloaded, messages queued, rest easy.
scenic view from airplane window in flight — Docs · Luxembourg: The sunrise ferry: tickets in the wallet app, timetable cached offline.
Docs · Luxembourg: The sunrise ferry: tickets in the wallet app, timetable cached offline.
dramatic view of the eiffel tower in paris — Docs · Luxembourg: The docs answer before you ask — search first, it's fast.
Docs · Luxembourg: The docs answer before you ask — search first, it's fast.
a call center agent working — Docs · Luxembourg: Downtown, connected: the eSIM finds the fastest local network on its own.
Docs · Luxembourg: Downtown, connected: the eSIM finds the fastest local network on its own.
Ignacio Estevo — Docs · Luxembourg: The business trip: client deck synced, video call joined from the taxi.
Docs · Luxembourg: The business trip: client deck synced, video call joined from the taxi.
father and child holding hands at airport window — Docs · Luxembourg: Rooftop check-in: boarding passes and hotel keys, all on the phone.
Docs · Luxembourg: Rooftop check-in: boarding passes and hotel keys, all on the phone.
gray haired man signing the papers — Docs · Luxembourg: Island time, online time: ferries, beaches and full signal.
Docs · Luxembourg: Island time, online time: ferries, beaches and full signal.
a headset on a laptop — Docs · Luxembourg: Sunrise hikes start with a weather check — data on, boots on.
Docs · Luxembourg: Sunrise hikes start with a weather check — data on, boots on.
a man in white crew neck shirt wearing black headphones — Docs · Luxembourg: Trailheads and lookouts: offline maps downloaded, just in case.
Docs · Luxembourg: Trailheads and lookouts: offline maps downloaded, just in case.
vibrant tokyo nightlife with neon signs — Docs · Luxembourg: Market mornings: look up the dish, translate the menu, pay by phone.
Docs · Luxembourg: Market mornings: look up the dish, translate the menu, pay by phone.
eiffel tower in paris — Docs · Luxembourg: The red-eye recovery: hotel early-check-in arranged mid-flight.
Docs · Luxembourg: The red-eye recovery: hotel early-check-in arranged mid-flight.
modern workspace with smartphone and greenery — Docs · Luxembourg: Troubleshooting trees: symptom in, fix out, no ticket needed.
Docs · Luxembourg: Troubleshooting trees: symptom in, fix out, no ticket needed.
modern smartphone triple camera close up shot — Docs · Luxembourg: Each doc ends with 'still stuck?' — pointing at the Tele Agent.
Docs · Luxembourg: Each doc ends with 'still stuck?' — pointing at the Tele Agent.
people sitting at an airport — Docs · Luxembourg: The viewpoint at golden hour: livestream the sunset to everyone back home.
Docs · Luxembourg: The viewpoint at golden hour: livestream the sunset to everyone back home.
view of the eifel tower from the street — Docs · Luxembourg: Duty-free browsing: price-checked against home before buying.
Docs · Luxembourg: Duty-free browsing: price-checked against home before buying.
laughing man and woman working in a call center — Docs · Luxembourg: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Docs · Luxembourg: The commute, handled: podcasts downloaded, messages sent, no dead zones.

Explainer

Docs: the full picture

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.

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.

Explainer

How it works, step by step

  1. Buy before you fly
    • Order from home, the hotel, or the departure lounge — delivery is instant and digital.
    • No shipping, no pickup counters, no airport SIM queues.
  2. Add the eSIM
    • One QR scan adds the plan to your phone. iPhone and Android both walk you through it in under a minute.
    • You can install now and activate later — the plan starts when you choose.
  3. Stay online abroad
    • Data, maps, translation and messaging work the moment you land.
    • Running low? Top up in one tap from your dashboard — no new QR code needed.

Explainer

Good to know

  • Turn off auto-play on social apps before you fly; it quietly eats roaming data.
  • Screenshot your hotel address and booking confirmations — you'll want them with no signal.
  • Check that your phone is carrier-unlocked before you buy any eSIM — locked phones can't add one.
  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
  • Charge your phone before long travel days; weak signal areas drain batteries faster.
  • 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

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

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

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.

Visual guides

Luxembourg, 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.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.One-tap top-upMore data in seconds — no new QR code.24/7 supportReal humans plus the Tele Agent, around the clock.Keep your WhatsAppYour existing number keeps working on the data line.Hotspot includedShare with your laptop or tablet at no extra cost.6 languagesThe app speaks your language, wherever you're from.5G where availableFastest local partner network, selected automatically.
Included with every plan. Six things ship with every plan — the Docs · Luxembourg baseline, generous on purpose.
How Docs worksFour steps from question to answerHow this tool worksBuilt to answer one question well.1Get the answerClear result with next steps — save it or act on it.2Open the toolNo account needed — it loads instantly in your browser.3Enter your detailsTrip, data needs, destination. The tool does the math.4Apply itJump straight to the plan, setting or page it points to.
Tool walkthrough. Every tool on esimgomobile follows the same honest pattern: input, math, answer.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Check unlock statusCarrier-locked phones can't add an eSIM — verify first.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. Veterans do all four without thinking.
Network at a glanceCoverage facts for LuxembourgNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Luxembourgesimgomobile 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 · Luxembourg: 195 destinations, 5G where available, six languages.
Plan comparison matrixEvery plan for Luxembourg — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Luxembourg.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. All four Atlas plans work in Luxembourg; pick by trip length and appetite for data.
Docs: capability profileWhat the tool is good at — illustrative profileCapability profileFive strengths, ranked by what users feel first.Shares wellsend the answer to travel companionsInstant resultsno waiting, no signupPrivate by designyour inputs stay in your browserAlways currentreflects live plans and coverageMobile friendlyworks on the phone in your handIllustrative profile based on tool design — not measured telemetry.
Capability profile. Ranked by what travelers notice first, not by marketing priority.
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data2The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data3The family organizer
One tool, every traveler's needs covered.
esimgomobile network data4The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data
Use cases. Planners, sprinters, remote workers, families — who's it for.
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. Maps sip, streaming gulps: size the plan to your heaviest habit.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
Does hotspot work?
Yes — share your connection with laptop or tablet.
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.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
FAQ at a glance. Short answers, no sales pitch — the questions first, always.
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. Three steps, about two minutes — the Docs · Luxembourg ritual, no store visit.

Start your Luxembourg trip online

Pick a plan, check out securely, scan the QR code — you're online before you land.

See plans and pricing Talk to the Tele Agent