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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.
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 Singapore

Using docs in Singapore? You are on the local edition — key facts for Singapore (capital Singapore, dial code +65) are below. esimgomobile plans for Singapore are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalSingapore
Dial code+65
CurrencySingapore dollar (SGD)
Time zoneUTC+8
Main languagesEnglish, Malay, Mandarin, Tamil

Plans are live — see plans and pricing.

See it live

Take the tour.

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

Singapore · coverage
5 carriers · automatic selection
Coverage map on Docs · Singapore: 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.
46%
data left
Usage ring on Docs · Singapore — 46% of data left: the number travelers check most.
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
esimgomobile.com
Plans for Singapore
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Docs · Singapore: 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.
My eSIM
89%5 GB left
Days left16
Top up+10 GB
Data dashboard on Docs · Singapore: 89% 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.
Speed test
713Mbps
5G · Singapore · 73 ms
Illustrative speed readout on Docs · Singapore: 713 Mbps, 73 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.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Singapore
The honest comparison on Docs · Singapore: 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.
Tele Agent transcript
Can I keep my WhatsApp number?
Yes — your eSIM is data-first, so WhatsApp keeps working on your existing number in Singapore.
Tele Agent transcript on Docs · Singapore: 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?
Atlas 20GB
20 GB · 30 days
Singapore
Atlas 20GB — 20 GB · 30 days, prepaid and ready on Docs · Singapore.
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
photo of a black phone with cameras
“Customs line in Singapore was the perfect time to install — done by baggage claim.”
Lena F.Verified traveler · Singapore
Traveler review for Docs · Singapore: “Customs line in Singapore was the perfect time to install — done by baggage claim.” — Lena F..
  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.
esimgomobile.com
vibrant neon cityscape of tokyo at night
Docs
Travel guides · 8 min read
From the blog: “Docs” — travel guides in about eight minutes.
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
Recent speeds
Tokyo308 Mbps
Rome681 Mbps
Istanbul584 Mbps
Recent speeds for Docs · Singapore — Tokyo, Rome, Istanbul: illustrative 5G figures, not live measurements.
  1. 1A real support transcript: the question, then the specific answer.
  2. 2This is what 'AI support' actually looks like in practice.
195
destinations live
launch fact
Launch fact behind Docs · Singapore: 195 destinations live — a fixed figure, not live telemetry.
  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 · Singapore — 195 destinations live, 31 free tools, $8 entry monthly plan: numbers we publish and stand behind.
  1. 1Mockups illustrate the product flow — captions describe what's real.
  2. 2Figures labeled as examples show sample data, never live telemetry.
Network
5G
Singapore connected
Network widget for Docs · Singapore: 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.
Singapore · 5G
Signal widget on Docs · Singapore: 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.
Why travelers pick it
  • One-tap top-up
  • Instant QR install
  • Hotspot included
Why travelers pick Docs · Singapore: One-tap top-up, Instant QR install, Hotspot included.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
people wearing headsets
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Docs · Singapore: pick a plan, scan the QR, land online.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
eiffel tower in worm hole view
Your Singapore number is waiting.
Get your eSIM
“Your Singapore number is waiting.” — the banner on Docs · Singapore: 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
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"SI"}'
200 OK · 42 ms
REST API behind Docs · Singapore: 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.
Virtual number
+1 205 264 2185
Routes toSingapore
SMS + voiceEnabled
Your second line on Docs · Singapore: +1 205 264 2185 — 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.
rainy airport view from airplane window — Docs · Singapore: Coast roads and country lanes — the map keeps up wherever you roam.
Docs · Singapore: Coast roads and country lanes — the map keeps up wherever you roam.
stein egil liland — Docs · Singapore: Currency exchange, skipped: the phone pays at the real rate.
Docs · Singapore: Currency exchange, skipped: the phone pays at the real rate.
An adult male photographs a mosque using a smartphone outdoors with a focus on capturing architecture. — Docs · Singapore: The Singapore setup guide is three steps because the product is.
Docs · Singapore: The Singapore setup guide is three steps because the product is.
Ollie Craig — Docs · Singapore: Golden hour, fully online — photo backups upload before dinner.
Docs · Singapore: Golden hour, fully online — photo backups upload before dinner.
a blue wooden door on a white concrete wall — Docs · Singapore: The business trip: client deck synced, video call joined from the taxi.
Docs · Singapore: The business trip: client deck synced, video call joined from the taxi.
breathtaking view of imerovigli santorini cliffside — Docs · Singapore: The rental desk handshake: confirmation email open, license photo ready.
Docs · Singapore: The rental desk handshake: confirmation email open, license photo ready.
grayscale photo of people hiking on the mountain — Docs · Singapore: Trailheads and lookouts: offline maps downloaded, just in case.
Docs · Singapore: Trailheads and lookouts: offline maps downloaded, just in case.
night street scene in tokyo s urban landscape — Docs · Singapore: API references with copy-paste curl — the docs respect your time.
Docs · Singapore: API references with copy-paste curl — the docs respect your time.
business planning in office — Docs · Singapore: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
Docs · Singapore: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
woman working on laptop in outdoor cafe — Docs · Singapore: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Docs · Singapore: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Hub JACQU — Docs · Singapore: Old town, new tricks: translation apps working in real time.
Docs · Singapore: Old town, new tricks: translation apps working in real time.
photo of city buildings — Docs · Singapore: Plazas and promenades: video calls home with the view behind you.
Docs · Singapore: Plazas and promenades: video calls home with the view behind you.
man and woman sitting at table with blueprints at office — Docs · Singapore: The docs assume you're at an airport — short, scannable, correct.
Docs · Singapore: The docs assume you're at an airport — short, scannable, correct.
Denis Linine — Docs · Singapore: Café office: hotspot running, video call stable, no hotel Wi-Fi roulette.
Docs · Singapore: Café office: hotspot running, video call stable, no hotel Wi-Fi roulette.
bustling night market street in tokyo — Docs · Singapore: The conference badge: QR ticket scanned, session schedule synced.
Docs · Singapore: The conference badge: QR ticket scanned, session schedule synced.
Regardt van den Bergh — Docs · Singapore: The viewpoint at golden hour: livestream the sunset to everyone back home.
Docs · Singapore: The viewpoint at golden hour: livestream the sunset to everyone back home.
aerial view of fira santorini s white structures — Docs · Singapore: The long layover: streaming, working and messaging, all covered.
Docs · Singapore: The long layover: streaming, working and messaging, all covered.
photo of the eiffel tower under a blue sky — Docs · Singapore: Museum afternoons with audio guides streaming, not buffering.
Docs · Singapore: Museum afternoons with audio guides streaming, not buffering.
Atlantic Ambience — Docs · Singapore: Street level: navigation, rideshares and reviews, all instant.
Docs · Singapore: Street level: navigation, rideshares and reviews, all instant.
an empty alley near the ocean — Docs · Singapore: Market mornings: look up the dish, translate the menu, pay by phone.
Docs · Singapore: Market mornings: look up the dish, translate the menu, pay by phone.

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.
  • Screenshot your hotel address and booking confirmations — you'll want them with no signal.
  • Set a data alert at 80% so a top-up never surprises you mid-trip.
  • Buy and install your eSIM before departure — airport Wi-Fi is the worst place to set up connectivity.
  • Keep your home SIM active for two-factor codes from your bank; run data on the eSIM line.
  • Download offline maps for your destination — they save data and work in dead zones.

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.

Visual guides

Singapore, 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.
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 remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data3The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data4The family organizer
One tool, every traveler's needs covered.
esimgomobile network data
Use cases. If you recognize yourself here, the tool will pay for its click.
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.2Scan the QR codeThe eSIM installs straight onto your phone. No store, no plastic SIM.3Pick your planChoose data for your trip — checkout takes about two minutes.
Three-step setup. Install days before departure or minutes before boarding — your call.
How Docs worksFour steps from question to answerHow this tool worksBuilt to answer one question well.1Open the toolNo account needed — it loads instantly in your browser.2Apply itJump straight to the plan, setting or page it points to.3Enter your detailsTrip, data needs, destination. The tool does the math.4Get the answerClear result with next steps — save it or act on it.
Tool walkthrough. Docs · Singapore, demystified: open, enter, answer, act.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Screenshot bookingsHotel address & confirmations, available with no signal.2Check unlock statusCarrier-locked phones can't add an eSIM — verify first.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.Always currentreflects live plans and coverageMobile friendlyworks on the phone in your handPrivate by designyour inputs stay in your browserInstant resultsno waiting, no signupShares wellsend the answer to travel companionsIllustrative profile based on tool design — not measured telemetry.
Capability profile. Ranked by what travelers notice first, not by marketing priority.
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.
Does hotspot work?
Yes — share your connection with laptop or tablet.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
How fast is setup?
About two minutes: plan, QR scan, done.
Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
FAQ at a glance. Still curious? The Tele Agent answers anything else instantly.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.Hotspot includedShare with your laptop or tablet at no extra cost.One-tap top-upMore data in seconds — no new QR code.6 languagesThe app speaks your language, wherever you're from.24/7 supportReal humans plus the Tele Agent, around the clock.5G where availableFastest local partner network, selected automatically.Keep your WhatsAppYour existing number keeps working on the data line.
Included with every plan. 5G, hotspot, WhatsApp continuity, top-up, support, six languages — all tiers.
Network at a glanceCoverage facts for SingaporeNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Singaporeesimgomobile 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. Singapore connects to the fastest available local partner network automatically.
Plan comparison matrixEvery plan for Singapore — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Singapore.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 · Singapore: four plans, four trip shapes — the matrix carries no fine print.
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.

Take Singapore 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