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.

Read →

Tele Agent

An AI receptionist that answers, books and summarizes calls.

Read →

API

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

Read →
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→

Up close

esimgomobile in action.

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

Language
EnglishFrançais日本語
Language picker on Docs — English, Français, 日本語: the app speaks six languages.
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
your trip · 5G
Signal widget on Docs: network generation and place, always visible.
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
eSIM plan
Atlas UnlimitedUnlimited · 30 days
your trip
Install eSIM
Atlas Unlimited on Docs — Unlimited · 30 days, prepaid with the full price shown before you pay.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
esimgomobile.com
Plans for your trip
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Docs: 5GB, 20GB, 50GB and Unlimited — pick by trip, not fine print.
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
Coverage
195
destinations live
your trip5G ready
Check coverage
Coverage at a glance for Docs: 195 destinations live, fastest local partner selected on its own.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Support
How does Docs work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Docs: what it does, in one honest answer.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
esimgomobile.com
Checkout
Atlas Unlimited — your triptotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Docs: Atlas Unlimited, full price up front, no fine print.
  1. 1The dashboard keeps every eSIM, every trip, in one place.
  2. 2Rows show data left, days left and current city at a glance.
eSIM installedYour your trip plan is ready.
Push · just now
Push notification on Docs: 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.
Install
1 Scan2 Add3 Go
The Docs 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.
Tele Agent
“Setting up your your trip line…”
AI voice agent on Docs — answers spoken aloud, never a support ticket.
  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.
39%
data left
Usage ring on Docs — 39% of data left: the number travelers check most.
  1. 1The plan chip: name, allowance and destination in one line.
  2. 2Everything you need to confirm you're on the right plan.
your trip · coverage
5 carriers · automatic selection
Coverage map on Docs: partner networks pinned, selection automatic.
  1. 1Mockups illustrate the product flow — captions describe what's real.
  2. 2Figures labeled as examples show sample data, never live telemetry.
esimgomobile.com
Dashboard
Active eSIMs2
Data left10 GB
Current cityyour trip
Web dashboard on Docs: every eSIM, every trip, 10 GB left — one screen.
  1. 1The dashboard keeps every eSIM, every trip, in one place.
  2. 2Rows show data left, days left and current city at a glance.
a view of the sky from an airplane window
Pack light. Stay connected on your trip.
Get your eSIM
“Pack light. Stay connected on your trip.” — the banner on Docs: two minutes from curious to connected.
  1. 1Mockups illustrate the product flow — captions describe what's real.
  2. 2Figures labeled as examples show sample data, never live telemetry.
Why travelers pick it
  • Instant QR install
  • One-tap top-up
  • 5G where available
Why travelers pick Docs: Instant QR install, One-tap top-up, 5G where available.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Network
5G
your trip connected
Network widget for Docs: 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.
man in black jacket standing on rock formation under blue sky
Pack light. Stay connected on your trip.
Get your eSIM
Live now · no waitlist
“Pack light. Stay connected on your trip.” — the CTA card on Docs: plans live now, no waitlist.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"YO"}'
200 OK · 112 ms
REST API behind Docs: 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.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · your trip
The honest comparison on Docs: 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.
My eSIM
50%5 GB left
Days left19
Top up+10 GB
Data dashboard on Docs: 50% remaining, days left, top-up one tap away.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
crop woman making video call on laptop — Docs: Translated into six languages by humans who travel.
Docs: Translated into six languages by humans who travel.
Matthew DeVries — Docs: Changelog-linked: every doc knows which release changed it.
Docs: Changelog-linked: every doc knows which release changed it.
narrow alley in city at night — Docs: Duty-free browsing: price-checked against home before buying.
Docs: Duty-free browsing: price-checked against home before buying.
people on a video call — Docs: The docs are versioned — what you read matches what you run.
Docs: The docs are versioned — what you read matches what you run.
person using gray laptop — Docs: Street-food stalls and mobile pay: dinner ordered without a word of the language.
Docs: Street-food stalls and mobile pay: dinner ordered without a word of the language.
group of friends standing on white sand beach — Docs: The food tour: every recommendation looked up on the spot.
Docs: The food tour: every recommendation looked up on the spot.
aerial view of midtown manhattan skyscrapers — Docs: Platform to platform: tickets, timetables and taxis in one hand.
Docs: Platform to platform: tickets, timetables and taxis in one hand.
Regardt van den Bergh — Docs: From departure lounge to arrival hall, the data never drops.
Docs: From departure lounge to arrival hall, the data never drops.
an airplane window with a view — Docs: Downtown, connected: the eSIM finds the fastest local network on its own.
Docs: Downtown, connected: the eSIM finds the fastest local network on its own.
close up shot of a headset on a laptop — Docs: The night bus: entertainment downloaded, messages queued, rest easy.
Docs: The night bus: entertainment downloaded, messages queued, rest easy.
man and woman wearing black headset smiling at each other — Docs: No PDF manuals — the docs live where the product lives.
Docs: No PDF manuals — the docs live where the product lives.
Tholaal Mohamed — Docs: The departure board flips: gate found, lounge located, all on the eSIM.
Docs: The departure board flips: gate found, lounge located, all on the eSIM.
man in blue shirt having a virtual meeting — Docs: The long layover: streaming, working and messaging, all covered.
Docs: The long layover: streaming, working and messaging, all covered.
scenic winter view of paris with eiffel tower — Docs: The docs answer before you ask — search first, it's fast.
Docs: The docs answer before you ask — search first, it's fast.
a person walking on a trail in the mountains — Docs: Plazas and promenades: video calls home with the view behind you.
Docs: Plazas and promenades: video calls home with the view behind you.
man looking at a woman in a laptop screen — Docs: The rental desk handshake: confirmation email open, license photo ready.
Docs: The rental desk handshake: confirmation email open, license photo ready.
Pok Rie — Docs: City lights after dark — the eSIM doesn't care what time it is.
Docs: City lights after dark — the eSIM doesn't care what time it is.
Marek Piwnicki — Docs: API references with copy-paste curl — the docs respect your time.
Docs: API references with copy-paste curl — the docs respect your time.
hiker expressing satisfaction after climbing a mountain — Docs: Family group chat: location shared, dinner plans settled in minutes.
Docs: Family group chat: location shared, dinner plans settled in minutes.
Zaiwizi — Docs: The group chat stays live across every border you cross.
Docs: The group chat stays live across every border you cross.

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.

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.

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. 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.
  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
  • If a page won't load, toggle airplane mode for ten seconds — it forces a fresh network attach.
  • WhatsApp, iMessage and FaceTime keep your existing number on a data eSIM — no need to tell anyone a new number.
  • Hotspot sparingly: one laptop tethered all day can burn through a week of phone data.
  • Buy and install your eSIM before departure — airport Wi-Fi is the worst place to set up connectivity.

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

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.

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

Charts & explainers

Every chart that matters for Docs.

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.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Check unlock statusCarrier-locked phones can't add an eSIM — verify first.2Screenshot bookingsHotel address & confirmations, available with no signal.3Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.4Download offline mapsThey save data and work in dead zones.
Pro tips. Veterans do all four without thinking.
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 coverageMobile friendlyworks on the phone in your handShares wellsend the answer to travel companionsInstant resultsno waiting, no signupIllustrative profile based on tool design — not measured telemetry.
Capability profile. Ranked by what travelers notice first, not by marketing priority.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.24/7 supportReal humans plus the Tele Agent, around the clock.Hotspot includedShare with your laptop or tablet at no extra cost.Keep your WhatsAppYour existing number keeps working on the data line.One-tap top-upMore data in seconds — no new QR code.5G where availableFastest local partner network, selected automatically.6 languagesThe app speaks your language, wherever you're from.
Included with every plan. 5G, hotspot, WhatsApp continuity, top-up, support, six languages — all tiers.
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.
Plan comparison matrixEvery plan for every destination we cover — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to every destination we cover.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: 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 family organizer
One tool, every traveler's needs covered.
esimgomobile network data3The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data4The last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data
Use cases. Planners, sprinters, remote workers, families — who's it for.
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.3Apply itJump straight to the plan, setting or page it points to.4Enter your detailsTrip, data needs, destination. The tool does the math.
Tool walkthrough. Every tool on esimgomobile follows the same honest pattern: input, math, answer.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.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.
How fast is setup?
About two minutes: plan, QR scan, done.
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.
Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
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.1Land connectedSwitch the line on when you arrive — online before baggage claim.2Pick your planChoose data for your trip — checkout takes about two minutes.3Scan the QR codeThe eSIM installs straight onto your phone. No store, no plastic SIM.
Three-step setup. Three steps, about two minutes — the Docs ritual, no store visit.
Network at a glanceCoverage facts, network-wideNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available, auto-selectedesimgomobile 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.

Start your 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