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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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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 El Salvador

Using docs in El Salvador? You are on the local edition — key facts for El Salvador (capital San Salvador, dial code +503) are below. esimgomobile plans for El Salvador are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalSan Salvador
Dial code+503
CurrencyUS dollar (USD)
Time zoneUTC-6
Main languagesSpanish

Plans are live — see plans and pricing.

How it works

esimgomobile in action.

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

vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · El Salvador
The honest comparison on Docs · El Salvador: 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.
new york city buildings
El Salvador is calling.
Get your eSIM
“El Salvador is calling.” — the banner on Docs · El Salvador: 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.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Docs · El Salvador — 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.
vibrant nightlife in tokyo s busy streets
El Salvador
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Docs · El Salvador: data live, local number available, 5G where it exists.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Speed test
889Mbps
5G · El Salvador · 85 ms
Illustrative speed readout on Docs · El Salvador: 889 Mbps, 85 ms — example figures, not live measurements.
  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
Checkout
Atlas Unlimited — El Salvadortotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Docs · El Salvador: 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.
Why travelers pick it
  • 24/7 support
  • One-tap top-up
  • 5G where available
Why travelers pick Docs · El Salvador: 24/7 support, One-tap top-up, 5G where available.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
esimgomobile.com
Plans for El Salvador
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Docs · El Salvador: 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.
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"EL"}'
200 OK · 143 ms
REST API behind Docs · El Salvador: 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.
195
destinations live
launch fact
Launch fact behind Docs · El Salvador: 195 destinations live — 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.
My eSIM
49%50 GB left
Days left25
Top up+10 GB
Data dashboard on Docs · El Salvador: 49% remaining, days left, top-up one tap away.
  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.
Support
How does Docs · El Salvador work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Docs · El Salvador: 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.
Install
1 Scan2 Add3 Go
The Docs · El Salvador 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.
Network
5G
El Salvador connected
Network widget for Docs · El Salvador: 5G, full bars — zero ambiguity about the connection.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Tele Agent transcript
Will my phone work in El Salvador?
If it's carrier-unlocked and eSIM-capable, yes. I checked El Salvador bands — you're covered.
Tele Agent transcript on Docs · El Salvador: 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?
people working in a call center
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Docs · El Salvador: 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.
Language
Deutsch日本語English
Language picker on Docs · El Salvador — Deutsch, 日本語, English: 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.
eSIM installedYour El Salvador plan is ready.
Push · just now
Push notification on Docs · El Salvador: 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 20GB20 GB · 30 days
El Salvador
Install eSIM
Atlas 20GB on Docs · El Salvador — 20 GB · 30 days, prepaid with the full price shown before you pay.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
people on a video call
Ready for El Salvador?
Get your eSIM
Live now · no waitlist
“Ready for El Salvador?” — the CTA card on Docs · El Salvador: plans live now, no waitlist.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
blank smartphone screen held in hand indoors — Docs · El Salvador: Rooftop check-in: boarding passes and hotel keys, all on the phone.
Docs · El Salvador: Rooftop check-in: boarding passes and hotel keys, all on the phone.
Maarten van den Heuvel — Docs · El Salvador: The rental desk handshake: confirmation email open, license photo ready.
Docs · El Salvador: The rental desk handshake: confirmation email open, license photo ready.
Monica Oprea — Docs · El Salvador: Market mornings: look up the dish, translate the menu, pay by phone.
Docs · El Salvador: Market mornings: look up the dish, translate the menu, pay by phone.
brooklyn bridge and manhattan skyline at sunset — Docs · El Salvador: The modern arrival: online before the seatbelt sign goes off.
Docs · El Salvador: The modern arrival: online before the seatbelt sign goes off.
man hand over smartphone — Docs · El Salvador: The food tour: every recommendation looked up on the spot.
Docs · El Salvador: The food tour: every recommendation looked up on the spot.
girl using mobile phone — Docs · El Salvador: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Docs · El Salvador: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
a woman with headset inside a gray cubicle — Docs · El Salvador: Install guides with screenshots from real phones, not renders.
Docs · El Salvador: Install guides with screenshots from real phones, not renders.
Alexey K. — Docs · El Salvador: Downtown, connected: the eSIM finds the fastest local network on its own.
Docs · El Salvador: Downtown, connected: the eSIM finds the fastest local network on its own.
woman using laptop at cafe — Docs · El Salvador: Changelog-linked: every doc knows which release changed it.
Docs · El Salvador: Changelog-linked: every doc knows which release changed it.
rising sun behind nyc downtown — Docs · El Salvador: The conference badge: QR ticket scanned, session schedule synced.
Docs · El Salvador: The conference badge: QR ticket scanned, session schedule synced.
Aaron Mugla — Docs · El Salvador: The connected trip: maps, messages and translation, all on one eSIM.
Docs · El Salvador: The connected trip: maps, messages and translation, all on one eSIM.
moody eiffel tower view on a rainy day — Docs · El Salvador: Harbor views with full bars: coverage where travelers actually go.
Docs · El Salvador: Harbor views with full bars: coverage where travelers actually go.
Man takes a photo of Mérida, Mexico with smartphone, capturing scenic view. — Docs · El Salvador: The sunrise ferry: tickets in the wallet app, timetable cached offline.
Docs · El Salvador: The sunrise ferry: tickets in the wallet app, timetable cached offline.
wing of flying airplane — Docs · El Salvador: The museum queue skips itself: tickets bought online, straight to the door.
Docs · El Salvador: The museum queue skips itself: tickets bought online, straight to the door.
Erik Mclean — Docs · El Salvador: The docs assume you're at an airport — short, scannable, correct.
Docs · El Salvador: The docs assume you're at an airport — short, scannable, correct.
capturing nature with smartphone photography — Docs · El Salvador: Hiking the ridge: trail map offline, emergency numbers saved.
Docs · El Salvador: Hiking the ridge: trail map offline, emergency numbers saved.
the white buildings of santorini greece — Docs · El Salvador: Souvenir hunting with live currency conversion in your pocket.
Docs · El Salvador: Souvenir hunting with live currency conversion in your pocket.
Oskar Gross — Docs · El Salvador: Night markets and late trains — connected the whole way through.
Docs · El Salvador: Night markets and late trains — connected the whole way through.
close up photo of a smiling woman holding microphone — Docs · El Salvador: The window seat office: emails sent somewhere over the ocean.
Docs · El Salvador: The window seat office: emails sent somewhere over the ocean.
blank smartphone screen in modern office setting — Docs · El Salvador: Sunrise hikes start with a weather check — data on, boots on.
Docs · El Salvador: Sunrise hikes start with a weather check — data on, boots on.

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. 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

  • 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.
  • Keep your home SIM active for two-factor codes from your bank; run data on the eSIM line.
  • Buy and install your eSIM before departure — airport Wi-Fi is the worst place to set up connectivity.
  • Charge your phone before long travel days; weak signal areas drain batteries faster.
  • Check that your phone is carrier-unlocked before you buy any eSIM — locked phones can't add one.

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.

Visual guides

The numbers behind El Salvador.

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.
Network at a glanceCoverage facts for El SalvadorNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in El Salvadoresimgomobile 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.
Plan comparison matrixEvery plan for El Salvador — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to El Salvador.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. Weekend sips, fortnight data, work-month gulps, or unlimited — pick by trip shape.
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. Six traveler shapes, one tool — Docs · El Salvador's use cases.
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.2Land connectedSwitch the line on when you arrive — online before baggage claim.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.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.Does hotspot work?
Yes — share your connection with laptop or tablet.
Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
Do I keep my number?
Yes — WhatsApp & iMessage keep working on your existing number.
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.
FAQ at a glance. Six questions every traveler asks — the Docs · El Salvador answers, one screen.
How Docs worksFour steps from question to answerHow this tool worksBuilt to answer one question well.1Apply itJump straight to the plan, setting or page it points to.2Open the toolNo account needed — it loads instantly in your browser.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. Four steps from landing on Docs · El Salvador to having your answer.
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 · El Salvador.
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.Keep your WhatsAppYour existing number keeps working on the data line.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.
Included with every plan. Six things ship with every plan — the Docs · El Salvador baseline, generous on purpose.
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.
Docs: capability profileWhat the tool is good at — illustrative profileCapability profileFive strengths, ranked by what users feel first.Shares wellsend the answer to travel companionsAlways currentreflects live plans and coverageMobile friendlyworks on the phone in your handInstant resultsno waiting, no signupPrivate by designyour inputs stay in your browserIllustrative profile based on tool design — not measured telemetry.
Capability profile. What Docs · El Salvador does best — the capability profile, honestly ranked.

Your El Salvador plan is two minutes away

Join thousands of travelers who land connected. Your eSIM installs in two minutes.

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