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Live now

API-first, down to the SIM.

Everything the dashboard does is an API call: buy data, provision eSIMs, rent numbers, send SMS, configure Tele Agent. Built for human developers — and for autonomous AI agents.

Live today

The developer platform is already open.

No sales call, no human-gated first project: sign in and mint your own API keys. The product endpoints (catalog, checkout, numbers, Tele Agent) are live — everything below works right now.

Self-serve API keys

Sign in with Firebase and mint esk_live_… keys instantly — scoped to a project (production, test, experiment), hash-stored, revocable in one call.

# mint a key
curl -X POST \
  https://api.esimgomobile.com/api/v1/keys \
  -H "Authorization: Bearer $FIREBASE_ID_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"name":"ci","project":"test"}'

Webhooks: com.esimgomobile.*

HTTPS endpoints, per-endpoint HMAC-SHA256 signatures (Stripe-style t=…,v1=…), at-least-once delivery with backoff, dead-lettering and replay. Billing, number provisioning, porting, calls, SMS, key and KYC events.

Number porting API

draft → information_required → pending → completed. The API tells you exactly which fields each country needs before you submit — submission is fail-closed until carrier onboarding completes.

KYC intake

Collect the identity documents carriers require per country. Verification stays honestly pending_verification until a verification vendor is configured — never a fake "verified".

Honest status page

Component states derived live from service configuration — never fabricated uptime percentages.

esimgomobile.com/status/ →

REST API

The v1 API contract — live now.

The product contract below is final for v1 and live on the platform. Authenticate with a bearer API key; every response is JSON.

MethodEndpointWhat it does
GET/api/catalogList live eSIM plans (country, data, validity, price)
POST/api/checkoutCreate a checkout session for a plan → returns payment URL
GET/api/accountOrders, lines, numbers and Tele Agent status
GET/api/qr?order_id=…Fetch or re-issue the eSIM QR / activation code
GET/api/balance?profile_id=…Live remaining data for an eSIM line
GET/api/numbers?country=…Search available virtual numbers
POST/api/numbers/purchaseRent a virtual number (monthly)
POST/api/teleagent/signupAttach Tele Agent to a number with business config
# list live eSIM plans
curl https://esimgomobile.com/api/catalog \
  -H "Authorization: Bearer $ESIM_API_KEY"

# → { "plans": [ { "id": "esim-jp-10gb-30d", "country": "Japan",
#     "data_gb": 10, "validity_days": 30, "price_usd": 24.9, ... } ] }

# check data balance on a line
curl "https://esimgomobile.com/api/balance?profile_id=prof_abc" \
  -H "Authorization: Bearer $ESIM_API_KEY"

# → { "profile_id": "prof_abc", "remaining_mb": 6240,
#     "total_mb": 10240, "percent": 61 }
Developer surface

Four ways to build.

SDKs

Live: idiomatic JavaScript and Python clients covering every live route — keys, webhooks, porting, KYC, status. Tested, versioned, on GitHub.

Status: live

CLI

Live: the esim CLI scripts everything from the terminal — esim keys issue, esim webhooks register, esim portings create, esim kyc verify. Made for automation and agents.

Status: live

MCP server

A Model Context Protocol server exposing the whole platform to AI agents — buy data, provision lines, manage numbers and Tele Agent from any MCP client. Already powering our ChatGPT app; the same server ships for Claude and other agents.

Status: in progress

Migrate from Twilio in three steps

Bring your Twilio voice/SMS app to esimgomobile without rewriting it: port your numbers, point your webhooks at our compatible endpoints, verify with a test call. A guided toolkit walks the whole move — numbers, messaging and Tele Agent included.

Status: live
Get building

Developer keys are live today.

Sign in, mint an esk_live_… key and start building against the live developer platform — webhooks, porting, KYC and status included.

Read the OpenAPI doc

esimgomobile in Italy

Using developers in Italy? You are on the local edition — key facts for Italy (capital Rome, dial code +39) are below. esimgomobile plans for Italy are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalRome
Dial code+39
CurrencyEuro (EUR)
Time zoneUTC+1
Main languagesItalian

Plans are live — see plans and pricing.

How it works

Take the tour.

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 Developers · Italy — 195 destinations live, 31 free tools, $8 entry monthly plan: numbers we publish and stand behind.
  1. 1Coverage pins show where partner networks are live.
  2. 2The map answers the only question that matters: will it work there?
Why travelers pick it
  • Instant QR install
  • One-tap top-up
  • Hotspot included
Why travelers pick Developers · Italy: Instant QR install, One-tap top-up, Hotspot included.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Coverage
195
destinations live
Italy5G ready
Check coverage
Coverage at a glance for Developers · Italy: 195 destinations live, fastest local partner selected on its own.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Virtual number
+1 205 942 3294
Routes toItaly
SMS + voiceEnabled
Your second line on Developers · Italy: +1 205 942 3294 — real number, SMS and voice enabled.
  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
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"IT"}'
200 OK · 154 ms
REST API behind Developers · Italy: 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.
eSIM plan
Atlas 20GB20 GB · 30 days
Italy
Install eSIM
Atlas 20GB on Developers · Italy — 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.
esimgomobile.com
Dashboard
Active eSIMs3
Data left20 GB
Current cityItaly
Web dashboard on Developers · Italy: every eSIM, every trip, 20 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.
Tele Agent transcript
Will my phone work in Italy?
If it's carrier-unlocked and eSIM-capable, yes. I checked Italy bands — you're covered.
Tele Agent transcript on Developers · Italy: real question, specific answer.
  1. 1Mockups illustrate the product flow — captions describe what's real.
  2. 2Figures labeled as examples show sample data, never live telemetry.
Install
1 Scan2 Add3 Go
The Developers · Italy 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.
woman holding iphone in hand
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Developers · Italy: pick a plan, scan the QR, land online.
  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.
businesspeople brainstorming in conference room
Italy is calling.
Get your eSIM
Live now · no waitlist
“Italy is calling.” — the CTA card on Developers · Italy: plans live now, no waitlist.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Language
日本語EspañolDeutsch
Language picker on Developers · Italy — 日本語, Español, Deutsch: 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.
Support
How does Developers · Italy work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Developers · Italy: 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.
Tele Agent
“Setting up your Italy line…”
AI voice agent on Developers · Italy — answers spoken aloud, never a support ticket.
  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 Italy
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Developers · Italy: 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.
Green Aurora Borealis
Italy
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Developers · Italy: data live, local number available, 5G where it exists.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Italy
The honest comparison on Developers · Italy: one prepaid eSIM price versus carrier roaming.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
esimgomobile.com
child playing near istanbul control tower
esimgomobile Developers
Travel guides · 8 min read
From the blog: “esimgomobile Developers” — 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.
My eSIM
57%5 GB left
Days left23
Top up+10 GB
Data dashboard on Developers · Italy: 57% remaining, days left, top-up one tap away.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
Network
5G
Italy connected
Network widget for Developers · Italy: 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.
back view of couple embracing at airport — Developers · Italy: From departure lounge to arrival hall, the data never drops.
Developers · Italy: From departure lounge to arrival hall, the data never drops.
person holding smartphone with stylish case — Developers · Italy: The docs ship with runnable examples, not pseudocode.
Developers · Italy: The docs ship with runnable examples, not pseudocode.
brooklyn bridge and manhattan skyline at sunset — Developers · Italy: Family group chat: location shared, dinner plans settled in minutes.
Developers · Italy: Family group chat: location shared, dinner plans settled in minutes.
white aircraft wing — Developers · Italy: The connected trip: maps, messages and translation, all on one eSIM.
Developers · Italy: The connected trip: maps, messages and translation, all on one eSIM.
people sitting at an airport — Developers · Italy: Check-in lines move faster when your documents are on your phone.
Developers · Italy: Check-in lines move faster when your documents are on your phone.
Mo Eid — Developers · Italy: The rental desk handshake: confirmation email open, license photo ready.
Developers · Italy: The rental desk handshake: confirmation email open, license photo ready.
glass with a drink and a straw by a laptop — Developers · Italy: Border crossings without the paperwork shuffle: ID photos stored on the phone.
Developers · Italy: Border crossings without the paperwork shuffle: ID photos stored on the phone.
stein egil liland — Developers · Italy: API keys rotate in one click — the dashboard makes it boring.
Developers · Italy: API keys rotate in one click — the dashboard makes it boring.
men s blue leather jacket and brown backpack — Developers · Italy: The long layover: streaming, working and messaging, all covered.
Developers · Italy: The long layover: streaming, working and messaging, all covered.
a turkish airplane flying above the white clouds — Developers · Italy: The museum queue skips itself: tickets bought online, straight to the door.
Developers · Italy: The museum queue skips itself: tickets bought online, straight to the door.
Taryn Elliott — Developers · Italy: Coworking abroad: laptop tethered, calls crisp, deadlines met.
Developers · Italy: Coworking abroad: laptop tethered, calls crisp, deadlines met.
Alexandre Moreira — Developers · Italy: Rain or shine, the connection holds — weather doesn't throttle data.
Developers · Italy: Rain or shine, the connection holds — weather doesn't throttle data.
people brainstorming in office — Developers · Italy: The window seat office: emails sent somewhere over the ocean.
Developers · Italy: The window seat office: emails sent somewhere over the ocean.
new york cityscape — Developers · Italy: City lights after dark — the eSIM doesn't care what time it is.
Developers · Italy: City lights after dark — the eSIM doesn't care what time it is.
Close-up of hands holding a smartphone showing a mountain scene, captured outdoors in Banff. — Developers · Italy: Real journeys, real connectivity — this is what the product is for.
Developers · Italy: Real journeys, real connectivity — this is what the product is for.
Modern Airport Terminal — Developers · Italy: Rooftop check-in: boarding passes and hotel keys, all on the phone.
Developers · Italy: Rooftop check-in: boarding passes and hotel keys, all on the phone.
David Gan — Developers · Italy: The night bus: entertainment downloaded, messages queued, rest easy.
Developers · Italy: The night bus: entertainment downloaded, messages queued, rest easy.
photo of a man in a blue shirt working beside a woman in a black top — Developers · Italy: Sandbox first: test provisioning without spending a cent.
Developers · Italy: Sandbox first: test provisioning without spending a cent.
clouds seen from an airplane — Developers · Italy: Build on the same rails the Italy checkout uses.
Developers · Italy: Build on the same rails the Italy checkout uses.
travelers with luggage at modern airport terminal — Developers · Italy: Platform to platform: tickets, timetables and taxis in one hand.
Developers · Italy: Platform to platform: tickets, timetables and taxis in one hand.

Explainer

esimgomobile Developers: 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

  • Charge your phone before long travel days; weak signal areas drain batteries faster.
  • 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.
  • 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.
  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.

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.

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.

The data room

The numbers behind Italy.

esimgomobile Developers — 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.

esimgomobile Developers — data dashboard. Plan allowances, validity windows and a typical usage curve for esimgomobile Developers — hover for exact values.
Plan comparison matrixEvery plan for Italy — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Italy.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. Developers · Italy: four plans, four trip shapes — the matrix carries no fine print.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Install before you flyAirport Wi-Fi is the worst place to set up connectivity.2Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.3Screenshot bookingsHotel address & confirmations, available with no signal.4Download offline mapsThey save data and work in dead zones.
Pro tips. Four habits for smooth trips — pro tips for Developers · Italy.
How esimgomobile Developers 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.2Get the answerClear result with next steps — save it or act on it.3Enter your detailsTrip, data needs, destination. The tool does the math.4Open the toolNo account needed — it loads instantly in your browser.
Tool walkthrough. Every tool on esimgomobile follows the same honest pattern: input, math, answer.
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. Gigabytes translated into hours — the Developers · Italy usage guide.
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The planner
Compare before you commit — know the right plan weeks ahead.
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 family organizer
One tool, every traveler's needs covered.
esimgomobile network data
Use cases. Six traveler shapes, one tool — Developers · Italy'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. Three steps, about two minutes — the Developers · Italy ritual, no store visit.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.Keep your WhatsAppYour existing number keeps working on the data line.One-tap top-upMore data in seconds — no new QR code.24/7 supportReal humans plus the Tele Agent, around the clock.5G where availableFastest local partner network, selected automatically.6 languagesThe app speaks your language, wherever you're from.Hotspot includedShare with your laptop or tablet at no extra cost.
Included with every plan. Six things ship with every plan — the Developers · Italy baseline, generous on purpose.
Network at a glanceCoverage facts for ItalyNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Italyesimgomobile 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 Developers · Italy: 195 destinations, 5G where available, six languages.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
How fast is setup?
About two minutes: plan, QR scan, done.
Does hotspot work?
Yes — share your connection with laptop or tablet.
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.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
FAQ at a glance. Short answers, no sales pitch — the questions first, always.
esimgomobile Developers: 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 signupPrivate by designyour inputs stay in your browserShares wellsend the answer to travel companionsIllustrative profile based on tool design — not measured telemetry.
Capability profile. Capabilities measured by traveler value, not feature count.

Your Italy plan is two minutes away

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

See plans and pricing Talk to the Tele Agent