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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.

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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

Keep exploring

More resources

Blog→ Tools hub→ Pricing→ Status→ Support→

esimgomobile in Romania

Using docs in Romania? You are on the local edition — key facts for Romania (capital Bucharest, dial code +40) are below. esimgomobile plans for Romania are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalBucharest
Dial code+40
CurrencyRomanian leu (RON)
Time zoneUTC+2
Main languagesRomanian

Plans are live — see plans and pricing.

The experience

esimgomobile in action.

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

Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Docs · Romania — 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.
Tele Agent transcript
Do I need a local number in Romania?
A local Romania number is available on this plan — I can attach it before you land.
Tele Agent transcript on Docs · Romania: real question, specific answer.
  1. 1A real support transcript: the question, then the specific answer.
  2. 2This is what 'AI support' actually looks like in practice.
Tele Agent
Will my phone work in Romania?
If it's carrier-unlocked and eSIM-capable, yes. I checked Romania bands — you're covered.
Tele Agent chat on Docs · Romania — real questions, specific answers, zero telecom jargon.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Language
EnglishDeutschEspañol
Language picker on Docs · Romania — English, Deutsch, Español: 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.
eSIM plan
Atlas 50GB50 GB · 60 days
Romania
Install eSIM
Atlas 50GB on Docs · Romania — 50 GB · 60 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.
new york city skyline during night time
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Docs · Romania: 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.
person holding smartphone with stylish case
Romania is calling.
Get your eSIM
Live now · no waitlist
“Romania is calling.” — the CTA card on Docs · Romania: plans live now, no waitlist.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
neon lights by the street at night
“Landed in Romania and was online before the seatbelt sign went off.”
Leo M.Verified traveler · Romania
Traveler review for Docs · Romania: “Landed in Romania and was online before the seatbelt sign went off.” — Leo M..
  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 · Romania work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Docs · Romania: 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.
20%
data left
Usage ring on Docs · Romania — 20% of data left: the number travelers check most.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
Network
5G
Romania connected
Network widget for Docs · Romania: 5G, full bars — zero ambiguity about the connection.
  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
399Mbps
5G · Romania · 57 ms
Illustrative speed readout on Docs · Romania: 399 Mbps, 57 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.
Erik Mclean
Ready for Romania?
Get your eSIM
“Ready for Romania?” — the banner on Docs · Romania: 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.
Tele Agent
“Setting up your Romania line…”
AI voice agent on Docs · Romania — answers spoken aloud, never a support ticket.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Install
1 Scan2 Add3 Go
The Docs · Romania install: QR in three steps — scan, add, go, about two minutes.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Recent speeds
New York290 Mbps
Bali179 Mbps
Seoul147 Mbps
Recent speeds for Docs · Romania — New York, Bali, Seoul: 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.
Romania · 5G
Signal widget on Docs · Romania: 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.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Romania
The honest comparison on Docs · Romania: one prepaid eSIM price versus carrier roaming.
  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
Checkout
Atlas Unlimited — Romaniatotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Docs · Romania: Atlas Unlimited, 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
Lisá Yakurím
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.
stein egil liland — Docs · Romania: The window seat office: emails sent somewhere over the ocean.
Docs · Romania: The window seat office: emails sent somewhere over the ocean.
teddy bear sitting atop luggage left in airport — Docs · Romania: Sunrise hikes start with a weather check — data on, boots on.
Docs · Romania: Sunrise hikes start with a weather check — data on, boots on.
Modern Airport Terminal — Docs · Romania: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Docs · Romania: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
modern airport terminal with travelers at sunrise — Docs · Romania: Downtown, connected: the eSIM finds the fastest local network on its own.
Docs · Romania: Downtown, connected: the eSIM finds the fastest local network on its own.
a portrait of a woman wearing a headset — Docs · Romania: The sunrise ferry: tickets in the wallet app, timetable cached offline.
Docs · Romania: The sunrise ferry: tickets in the wallet app, timetable cached offline.
group of people on the beach — Docs · Romania: Harbor views with full bars: coverage where travelers actually go.
Docs · Romania: Harbor views with full bars: coverage where travelers actually go.
a man standing on a mountain — Docs · Romania: The viewpoint at golden hour: livestream the sunset to everyone back home.
Docs · Romania: The viewpoint at golden hour: livestream the sunset to everyone back home.
people on beach — Docs · Romania: Island time, online time: ferries, beaches and full signal.
Docs · Romania: Island time, online time: ferries, beaches and full signal.
a woman inside a restaurant using a laptop — Docs · Romania: The last night: photo album backed up, memories safe before wheels-up.
Docs · Romania: The last night: photo album backed up, memories safe before wheels-up.
businesspeople looking at a business graph — Docs · Romania: Rain or shine, the connection holds — weather doesn't throttle data.
Docs · Romania: Rain or shine, the connection holds — weather doesn't throttle data.
silhouette photography of group of people jumping during golden time — Docs · Romania: Border crossings without the paperwork shuffle: ID photos stored on the phone.
Docs · Romania: Border crossings without the paperwork shuffle: ID photos stored on the phone.
three women wearing formal clothes sitting in front of conference table — Docs · Romania: Plazas and promenades: video calls home with the view behind you.
Docs · Romania: Plazas and promenades: video calls home with the view behind you.
black smartphone in close up photography — Docs · Romania: Hiking the ridge: trail map offline, emergency numbers saved.
Docs · Romania: Hiking the ridge: trail map offline, emergency numbers saved.
the view from the top of a hill overlooking the ocean — Docs · Romania: Museum afternoons with audio guides streaming, not buffering.
Docs · Romania: Museum afternoons with audio guides streaming, not buffering.
man video calling using a laptop while sitting on a chair — Docs · Romania: Every guide shows the happy path and the three ways it breaks.
Docs · Romania: Every guide shows the happy path and the three ways it breaks.
silhouette of a woman with a backpack standing at an airport terminal — Docs · Romania: City lights after dark — the eSIM doesn't care what time it is.
Docs · Romania: City lights after dark — the eSIM doesn't care what time it is.
young woman studying in vietnamese cafe — Docs · Romania: Currency exchange, skipped: the phone pays at the real rate.
Docs · Romania: Currency exchange, skipped: the phone pays at the real rate.
mother and daughter walking at eindhoven airport — Docs · Romania: The modern arrival: online before the seatbelt sign goes off.
Docs · Romania: The modern arrival: online before the seatbelt sign goes off.
the view of a white building on a hillside — Docs · Romania: The Romania setup guide is three steps because the product is.
Docs · Romania: The Romania setup guide is three steps because the product is.
a man standing on the mountain — Docs · Romania: Golden hour, fully online — photo backups upload before dinner.
Docs · Romania: Golden hour, fully online — photo backups upload before dinner.

Explainer

Docs: the full picture

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 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.

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

  • 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.
  • Charge your phone before long travel days; weak signal areas drain batteries faster.
  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
  • Check that your phone is carrier-unlocked before you buy any eSIM — locked phones can't add one.
  • 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

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.

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

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

Every chart that matters for Romania.

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 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 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.
Plan comparison matrixEvery plan for Romania — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Romania.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 Romania; 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.Mobile friendlyworks on the phone in your handAlways currentreflects live plans and coverageInstant resultsno waiting, no signupShares wellsend the answer to travel companionsPrivate by designyour inputs stay in your browserIllustrative profile based on tool design — not measured telemetry.
Capability profile. Ranked by what travelers notice first, not by marketing priority.
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.
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.
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.2Enter your detailsTrip, data needs, destination. The tool does the math.3Apply itJump straight to the plan, setting or page it points to.4Get the answerClear result with next steps — save it or act on it.
Tool walkthrough. Every tool on esimgomobile follows the same honest pattern: input, math, answer.
Network at a glanceCoverage facts for RomaniaNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Romaniaesimgomobile 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. Romania connects to the fastest available local partner network automatically.
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.Hotspot includedShare with your laptop or tablet at no extra cost.5G where availableFastest local partner network, selected automatically.6 languagesThe app speaks your language, wherever you're from.Keep your WhatsAppYour existing number keeps working on the data line.24/7 supportReal humans plus the Tele Agent, around the clock.
Included with every plan. Six things ship with every plan — the Docs · Romania baseline, generous on purpose.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Check unlock statusCarrier-locked phones can't add an eSIM — verify first.2Install before you flyAirport Wi-Fi is the worst place to set up connectivity.3Screenshot bookingsHotel address & confirmations, available with no signal.4Set an 80% alertA top-up should never surprise you mid-trip.
Pro tips. Four habits for smooth trips — pro tips for Docs · Romania.
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.
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.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
FAQ at a glance. Six questions every traveler asks — the Docs · Romania answers, one screen.

Start your Romania trip online

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

See plans and pricing Talk to the Tele Agent