>
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 Cambodia

Using docs in Cambodia? You are on the local edition — key facts for Cambodia (capital Phnom Penh, dial code +855) are below. esimgomobile plans for Cambodia are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalPhnom Penh
Dial code+855
CurrencyCambodian riel (KHR)
Time zoneUTC+7
Main languagesKhmer

Plans are live — see plans and pricing.

See it live

The product, up close.

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

esimgomobile.com
Checkout
Atlas 50GB — Cambodiatotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Docs · Cambodia: Atlas 50GB, 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.
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"CA"}'
200 OK · 85 ms
REST API behind Docs · Cambodia: 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.
Willian Justen de Vasconcellos
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Docs · Cambodia: pick a plan, scan the QR, land online.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Virtual number
+1 205 973 9414
Routes toCambodia
SMS + voiceEnabled
Your second line on Docs · Cambodia: +1 205 973 9414 — real number, SMS and voice enabled.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Network
5G
Cambodia connected
Network widget for Docs · Cambodia: 5G, full bars — zero ambiguity about the connection.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Cambodia · coverage
5 carriers · automatic selection
Coverage map on Docs · Cambodia: partner networks pinned, selection automatic.
  1. 1A real support transcript: the question, then the specific answer.
  2. 2This is what 'AI support' actually looks like in practice.
esimgomobile.com
people sitting at an airport
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.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Docs · Cambodia — 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.
31
free tools
launch fact
Launch fact behind Docs · Cambodia: 31 free tools — a fixed figure, not live telemetry.
  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.
Cambodia · 5G
Signal widget on Docs · Cambodia: 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.
Atlas 50GB
50 GB · 60 days
Cambodia
Atlas 50GB — 50 GB · 60 days, prepaid and ready on Docs · Cambodia.
  1. 1The plan chip: name, allowance and destination in one line.
  2. 2Everything you need to confirm you're on the right plan.
esimgomobile.com
Dashboard
Active eSIMs2
Data left10 GB
Current cityCambodia
Web dashboard on Docs · Cambodia: 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.
62%
data left
Usage ring on Docs · Cambodia — 62% 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.
aerial view of fira santorini s white structures
“Customs line in Cambodia was the perfect time to install — done by baggage claim.”
Iris K.Verified traveler · Cambodia
Traveler review for Docs · Cambodia: “Customs line in Cambodia was the perfect time to install — done by baggage claim.” — Iris K..
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
eSIM plan
Atlas UnlimitedUnlimited · 30 days
Cambodia
Install eSIM
Atlas Unlimited on Docs · Cambodia — Unlimited · 30 days, prepaid with the full price shown before you pay.
  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.
eSIM installedYour Cambodia plan is ready.
Push · just now
Push notification on Docs · Cambodia: eSIM installed, plan ready to activate.
  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.
Install
1 Scan2 Add3 Go
The Docs · Cambodia install: QR in three steps — scan, add, go, about two minutes.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Recent speeds
Sydney370 Mbps
Tokyo467 Mbps
Istanbul936 Mbps
Recent speeds for Docs · Cambodia — Sydney, Tokyo, Istanbul: 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?
Coverage
195
destinations live
Cambodia5G ready
Check coverage
Coverage at a glance for Docs · Cambodia: 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.
esimgomobile.com
Plans for Cambodia
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Docs · Cambodia: 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.
Jess Loiterton — Docs · Cambodia: Rain or shine, the connection holds — weather doesn't throttle data.
Docs · Cambodia: Rain or shine, the connection holds — weather doesn't throttle data.
colleagues looking at a computer during a meeting — Docs · Cambodia: Island time, online time: ferries, beaches and full signal.
Docs · Cambodia: Island time, online time: ferries, beaches and full signal.
eifel tower from the port liena — Docs · Cambodia: The last night: photo album backed up, memories safe before wheels-up.
Docs · Cambodia: The last night: photo album backed up, memories safe before wheels-up.
woman in pink blouse texting on a smartphone — Docs · Cambodia: The welcome home: eSIM deleted in one tap, no contract to cancel.
Docs · Cambodia: The welcome home: eSIM deleted in one tap, no contract to cancel.
a person holding black smartphone — Docs · Cambodia: Downtown, connected: the eSIM finds the fastest local network on its own.
Docs · Cambodia: Downtown, connected: the eSIM finds the fastest local network on its own.
macbook pro on brown wooden table — Docs · Cambodia: From departure lounge to arrival hall, the data never drops.
Docs · Cambodia: From departure lounge to arrival hall, the data never drops.
low angle photo of eiffel tower under cloudy sky — Docs · Cambodia: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
Docs · Cambodia: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
quiet tokyo night street scene with people — Docs · Cambodia: The departure board flips: gate found, lounge located, all on the eSIM.
Docs · Cambodia: The departure board flips: gate found, lounge located, all on the eSIM.
David Gan — Docs · Cambodia: Lost in the medina, found by GPS: the blue dot never lies.
Docs · Cambodia: Lost in the medina, found by GPS: the blue dot never lies.
Olivier Bergeron — Docs · Cambodia: Platform to platform: tickets, timetables and taxis in one hand.
Docs · Cambodia: Platform to platform: tickets, timetables and taxis in one hand.
wing of flying airplane — Docs · Cambodia: The rental desk handshake: confirmation email open, license photo ready.
Docs · Cambodia: The rental desk handshake: confirmation email open, license photo ready.
man holding a mobile phone in the dark — Docs · Cambodia: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Docs · Cambodia: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Jess Loiterton — Docs · Cambodia: Duty-free browsing: price-checked against home before buying.
Docs · Cambodia: Duty-free browsing: price-checked against home before buying.
a man and woman having conversation while wearing headsets — Docs · Cambodia: Hiking the ridge: trail map offline, emergency numbers saved.
Docs · Cambodia: Hiking the ridge: trail map offline, emergency numbers saved.
man with a backpack standing on a mountain slope — Docs · Cambodia: Trailheads and lookouts: offline maps downloaded, just in case.
Docs · Cambodia: Trailheads and lookouts: offline maps downloaded, just in case.
person using smartphone with green screen at desk — Docs · Cambodia: City lights after dark — the eSIM doesn't care what time it is.
Docs · Cambodia: City lights after dark — the eSIM doesn't care what time it is.
man with a backpack standing on a rock — Docs · Cambodia: The docs assume you're at an airport — short, scannable, correct.
Docs · Cambodia: The docs assume you're at an airport — short, scannable, correct.
group of people using laptop computer — Docs · Cambodia: Market mornings: look up the dish, translate the menu, pay by phone.
Docs · Cambodia: Market mornings: look up the dish, translate the menu, pay by phone.
Tiago Ventura — Docs · Cambodia: Each doc ends with 'still stuck?' — pointing at the Tele Agent.
Docs · Cambodia: Each doc ends with 'still stuck?' — pointing at the Tele Agent.
man in gray plaid jacket holding headset — Docs · Cambodia: The docs are versioned — what you read matches what you run.
Docs · Cambodia: The docs are versioned — what you read matches what you run.

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.

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 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.

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

  • Hotspot sparingly: one laptop tethered all day can burn through a week of phone data.
  • Turn off auto-play on social apps before you fly; it quietly eats roaming data.
  • 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.
  • If a page won't load, toggle airplane mode for ten seconds — it forces a fresh network attach.
  • Charge your phone before long travel days; weak signal areas drain batteries faster.

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.

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.

Charts & explainers

The numbers behind Cambodia.

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.
Plan comparison matrixEvery plan for Cambodia — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Cambodia.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 Cambodia; pick by trip length and appetite for data.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.2Check unlock statusCarrier-locked phones can't add an eSIM — verify first.3Screenshot bookingsHotel address & confirmations, available with no signal.4Set an 80% alertA top-up should never surprise you mid-trip.
Pro tips. Veterans do all four without thinking.
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.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. Every tool on esimgomobile follows the same honest pattern: input, math, answer.
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 browserShares wellsend the answer to travel companionsInstant resultsno waiting, no signupMobile friendlyworks on the phone in your handAlways currentreflects live plans and coverageIllustrative 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 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. If you recognize yourself here, the tool will pay for its click.
Network at a glanceCoverage facts for CambodiaNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Cambodiaesimgomobile 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 · Cambodia: 195 destinations, 5G where available, six languages.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.How fast is setup?
About two minutes: plan, QR scan, done.
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.
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.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
FAQ at a glance. Six questions every traveler asks — the Docs · Cambodia answers, one screen.
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. Buy, scan, land: the whole sequence fits in a coffee queue.
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.One-tap top-upMore data in seconds — no new QR code.6 languagesThe app speaks your language, wherever you're from.Keep your WhatsAppYour existing number keeps working on the data line.Hotspot includedShare with your laptop or tablet at no extra cost.24/7 supportReal humans plus the Tele Agent, around the clock.
Included with every plan. Six things ship with every plan — the Docs · Cambodia baseline, generous on purpose.

Take Cambodia with you, connected

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

See plans and pricing Talk to the Tele Agent