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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.
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Platform

The platform, in five parts

Coverage

195 country guides with install steps and local network notes.

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Plans

Data plus a permanent phone number on one eSIM line.

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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.

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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

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Blog→ Tools hub→ Pricing→ Status→ Support→

esimgomobile in Switzerland

Using docs in Switzerland? You are on the local edition — key facts for Switzerland (capital Bern, dial code +41) are below. esimgomobile plans for Switzerland are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalBern
Dial code+41
CurrencySwiss franc (CHF)
Time zoneUTC+1
Main languagesGerman, French, Italian

Plans are live — see plans and pricing.

See it live

Take the tour.

Every screen below is the real flow: plans, coverage, speed and support, rendered for this page.

Tele Agent
“Setting up your Switzerland line…”
AI voice agent on Docs · Switzerland — answers spoken aloud, never a support ticket.
  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
Switzerland5G ready
Check coverage
Coverage at a glance for Docs · Switzerland: 195 destinations live, fastest local partner selected on its own.
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
Speed test
848Mbps
5G · Switzerland · 57 ms
Illustrative speed readout on Docs · Switzerland: 848 Mbps, 57 ms — example figures, not live measurements.
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Switzerland
The honest comparison on Docs · Switzerland: 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.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Docs · Switzerland — 195 destinations live, 31 free tools, $8 entry monthly plan: numbers we publish and stand behind.
  1. 1A real support transcript: the question, then the specific answer.
  2. 2This is what 'AI support' actually looks like in practice.
dome of a building on santorini greece
Pack light. Stay connected in Switzerland.
Get your eSIM
“Pack light. Stay connected in Switzerland.” — the banner on Docs · Switzerland: two minutes from curious to connected.
  1. 1A real support transcript: the question, then the specific answer.
  2. 2This is what 'AI support' actually looks like in practice.
esimgomobile.com
Checkout
Atlas 5GB — Switzerlandtotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Docs · Switzerland: Atlas 5GB, full price up front, no fine print.
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
Install
1 Scan2 Add3 Go
The Docs · Switzerland install: QR in three steps — scan, add, go, about two minutes.
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
Modern Airport Terminal
Switzerland
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Docs · Switzerland: data live, local number available, 5G where it exists.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
professional business meeting in modern office
“My hotspot ran the whole Airbnb in Switzerland for two weeks.”
Noah P.Verified traveler · Switzerland
Traveler review for Docs · Switzerland: “My hotspot ran the whole Airbnb in Switzerland for two weeks.” — Noah P..
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Language
DeutschFrançaisPortuguês
Language picker on Docs · Switzerland — Deutsch, Français, Português: the app speaks six languages.
  1. 1The plan chip: name, allowance and destination in one line.
  2. 2Everything you need to confirm you're on the right plan.
Tele Agent
Do I need a local number in Switzerland?
A local Switzerland number is available on this plan — I can attach it before you land.
Tele Agent chat on Docs · Switzerland — real questions, specific answers, zero telecom jargon.
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
Atlas 5GB
5 GB · 30 days
Switzerland
Atlas 5GB — 5 GB · 30 days, prepaid and ready on Docs · Switzerland.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
eSIM installedYour Switzerland plan is ready.
Push · just now
Push notification on Docs · Switzerland: eSIM installed, plan ready to activate.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
eSIM plan
Atlas 5GB5 GB · 30 days
Switzerland
Install eSIM
Atlas 5GB on Docs · Switzerland — 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.
Recent speeds
Seoul398 Mbps
New York574 Mbps
Singapore320 Mbps
Recent speeds for Docs · Switzerland — Seoul, New York, Singapore: 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
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"SW"}'
200 OK · 147 ms
REST API behind Docs · Switzerland: issue eSIMs programmatically — 200 OK in milliseconds.
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
Support
How does Docs · Switzerland work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Docs · Switzerland: 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.
close up of electronic circuit design on device
Switzerland is calling.
Get your eSIM
Live now · no waitlist
“Switzerland is calling.” — the CTA card on Docs · Switzerland: plans live now, no waitlist.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Switzerland · coverage
5 carriers · automatic selection
Coverage map on Docs · Switzerland: 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?
futuristic skyscrapers in midtown manhattan in new york city — Docs · Switzerland: The welcome home: eSIM deleted in one tap, no contract to cancel.
Docs · Switzerland: The welcome home: eSIM deleted in one tap, no contract to cancel.
eiffel tower paris france — Docs · Switzerland: Hiking the ridge: trail map offline, emergency numbers saved.
Docs · Switzerland: Hiking the ridge: trail map offline, emergency numbers saved.
cityscape with multistory house exteriors under cloudy sky — Docs · Switzerland: Check-in lines move faster when your documents are on your phone.
Docs · Switzerland: Check-in lines move faster when your documents are on your phone.
Erik Schereder — Docs · Switzerland: The docs are versioned — what you read matches what you run.
Docs · Switzerland: The docs are versioned — what you read matches what you run.
man drinking coffee while working on his laptop — Docs · Switzerland: Lost in the medina, found by GPS: the blue dot never lies.
Docs · Switzerland: Lost in the medina, found by GPS: the blue dot never lies.
Cuneyt Palta — Docs · Switzerland: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Docs · Switzerland: The commute, handled: podcasts downloaded, messages sent, no dead zones.
a headset on a laptop — Docs · Switzerland: Museum afternoons with audio guides streaming, not buffering.
Docs · Switzerland: Museum afternoons with audio guides streaming, not buffering.
a meeting in an office — Docs · Switzerland: Duty-free browsing: price-checked against home before buying.
Docs · Switzerland: Duty-free browsing: price-checked against home before buying.
midsection of man using mobile phone while sitting on table — Docs · Switzerland: API references with copy-paste curl — the docs respect your time.
Docs · Switzerland: API references with copy-paste curl — the docs respect your time.
a man in sunglasses and a shirt is standing on the beach with another man — Docs · Switzerland: The night bus: entertainment downloaded, messages queued, rest easy.
Docs · Switzerland: The night bus: entertainment downloaded, messages queued, rest easy.
view of the eiffel tower at sunset paris france — Docs · Switzerland: Street level: navigation, rideshares and reviews, all instant.
Docs · Switzerland: Street level: navigation, rideshares and reviews, all instant.
Марина Вотинцева — Docs · Switzerland: Each doc ends with 'still stuck?' — pointing at the Tele Agent.
Docs · Switzerland: Each doc ends with 'still stuck?' — pointing at the Tele Agent.
couple walking down the stairs in santorini greece — Docs · Switzerland: Install guides with screenshots from real phones, not renders.
Docs · Switzerland: Install guides with screenshots from real phones, not renders.
a man standing on wood log — Docs · Switzerland: Market mornings: look up the dish, translate the menu, pay by phone.
Docs · Switzerland: Market mornings: look up the dish, translate the menu, pay by phone.
colleagues looking at a computer during a meeting — Docs · Switzerland: The group chat stays live across every border you cross.
Docs · Switzerland: The group chat stays live across every border you cross.
teddy bear sitting atop luggage left in airport — Docs · Switzerland: The docs answer before you ask — search first, it's fast.
Docs · Switzerland: The docs answer before you ask — search first, it's fast.
photo of man using laptop — Docs · Switzerland: Plazas and promenades: video calls home with the view behind you.
Docs · Switzerland: Plazas and promenades: video calls home with the view behind you.
woman with a backpack in the mountains — Docs · Switzerland: Rooftop check-in: boarding passes and hotel keys, all on the phone.
Docs · Switzerland: Rooftop check-in: boarding passes and hotel keys, all on the phone.
Josh Hild — Docs · Switzerland: The modern arrival: online before the seatbelt sign goes off.
Docs · Switzerland: The modern arrival: online before the seatbelt sign goes off.
Stan Versluis — Docs · Switzerland: The connected trip: maps, messages and translation, all on one eSIM.
Docs · Switzerland: The connected trip: maps, messages and translation, all on one eSIM.

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. Choose data that fits the trip
    • Short city break? 5 GB. Two weeks with maps and video calls? 20 GB. Working remotely or hotspotting? 50 GB or Unlimited.
    • Every plan shows exactly what you get — no asterisks.
  2. Install in two minutes
    • Buy, scan the QR code, done. The whole thing happens on your phone, wherever you are.
    • Install days before you fly or minutes before boarding — your call.
  3. Switch on and go
    • Enable the eSIM line in settings when you arrive. It connects to the fastest local partner network on its own.
    • Your home number keeps working for calls and texts on your physical SIM if you keep it active.

Explainer

Good to know

  • Download offline maps for your destination — they save data and work in dead zones.
  • Buy and install your eSIM before departure — airport Wi-Fi is the worst place to set up connectivity.
  • 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.
  • Screenshot your hotel address and booking confirmations — you'll want them with no signal.
  • 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.

See the math

Switzerland, 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.5G where availableFastest local partner network, selected automatically.Hotspot includedShare with your laptop or tablet at no extra cost.6 languagesThe app speaks your language, wherever you're from.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.
Included with every plan. From 5 GB to Unlimited, the inclusions don't shrink.
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.
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.2Apply itJump straight to the plan, setting or page it points to.3Get the answerClear result with next steps — save it or act on it.4Open the toolNo account needed — it loads instantly in your browser.
Tool walkthrough. Four steps from landing on Docs · Switzerland to having your answer.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Set an 80% alertA top-up should never surprise you mid-trip.2Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.3Check unlock statusCarrier-locked phones can't add an eSIM — verify first.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 · Switzerland.
Plan comparison matrixEvery plan for Switzerland — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Switzerland.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. Docs · Switzerland: four plans, four trip shapes — the matrix carries no fine print.
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data2The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data3The last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data4The family organizer
One tool, every traveler's needs covered.
esimgomobile network data
Use cases. Planners, sprinters, remote workers, families — who's it for.
Network at a glanceCoverage facts for SwitzerlandNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Switzerlandesimgomobile 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. Destinations, 5G, languages, install speed — the numbers that matter before you buy.
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 · Switzerland does best — the capability profile, honestly ranked.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.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.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
Does hotspot work?
Yes — share your connection with laptop or tablet.
FAQ at a glance. Still curious? The Tele Agent answers anything else instantly.
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.1Pick your planChoose data for your trip — checkout takes about two minutes.2Scan the QR codeThe eSIM installs straight onto your phone. No store, no plastic SIM.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.

Ready when Switzerland is

Prepaid, no contracts, no roaming surprises. The whole setup takes about two minutes.

See plans and pricing Talk to the Tele Agent