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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 Bhutan

Using developers in Bhutan? You are on the local edition — key facts for Bhutan (capital Thimphu, dial code +975) are below. esimgomobile plans for Bhutan are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalThimphu
Dial code+975
CurrencyBhutanese ngultrum (BTN)
Time zoneUTC+6
Main languagesDzongkha

Plans are live — see plans and pricing.

Up close

Take the tour.

Twenty product screens and twenty field photos — this is what traveling connected looks like.

vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Bhutan
The honest comparison on Developers · Bhutan: 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
Dashboard
Active eSIMs2
Data left10 GB
Current cityBhutan
Web dashboard on Developers · Bhutan: every eSIM, every trip, 10 GB left — one screen.
  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
  • Keep WhatsApp number
  • 5G where available
  • 24/7 support
Why travelers pick Developers · Bhutan: Keep WhatsApp number, 5G where available, 24/7 support.
  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":"BH"}'
200 OK · 143 ms
REST API behind Developers · Bhutan: 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.
Coverage
195
destinations live
Bhutan5G ready
Check coverage
Coverage at a glance for Developers · Bhutan: 195 destinations live, fastest local partner selected on its own.
  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.
Bhutan · coverage
5 carriers · automatic selection
Coverage map on Developers · Bhutan: 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.
Tele Agent transcript
Will my phone work in Bhutan?
If it's carrier-unlocked and eSIM-capable, yes. I checked Bhutan bands — you're covered.
Tele Agent transcript on Developers · Bhutan: 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.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Developers · Bhutan — 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.
eSIM plan
Atlas UnlimitedUnlimited · 30 days
Bhutan
Install eSIM
Atlas Unlimited on Developers · Bhutan — Unlimited · 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.
Tele Agent
“Setting up your Bhutan line…”
AI voice agent on Developers · Bhutan — 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.
eSIM installedYour Bhutan plan is ready.
Push · just now
Push notification on Developers · Bhutan: 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.
195
destinations live
launch fact
Launch fact behind Developers · Bhutan: 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.
excited multiethnic friends jumping above sandy sea beach in summer
Bhutan
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Developers · Bhutan: 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.
64%
data left
Usage ring on Developers · Bhutan — 64% 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.
Recent speeds
Tokyo660 Mbps
Tokyo887 Mbps
Tokyo638 Mbps
Recent speeds for Developers · Bhutan — Tokyo, Tokyo, Tokyo: 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.
Install
1 Scan2 Add3 Go
The Developers · Bhutan install: QR in three steps — scan, add, go, about two minutes.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
Atlas Unlimited
Unlimited · 30 days
Bhutan
Atlas Unlimited — Unlimited · 30 days, prepaid and ready on Developers · Bhutan.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
Support
How does Developers · Bhutan work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Developers · Bhutan: 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.
Bhutan · 5G
Signal widget on Developers · Bhutan: 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.
Virtual number
+1 205 724 3343
Routes toBhutan
SMS + voiceEnabled
Your second line on Developers · Bhutan: +1 205 724 3343 — 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.
people on beach — Developers · Bhutan: Coworking abroad: laptop tethered, calls crisp, deadlines met.
Developers · Bhutan: Coworking abroad: laptop tethered, calls crisp, deadlines met.
white clouds in the blue sky — Developers · Bhutan: The status page is public — uptime you can verify, not claim.
Developers · Bhutan: The status page is public — uptime you can verify, not claim.
Elia Vigolo — Developers · Bhutan: SDKs, a CLI, and an MCP server — the developer surface, complete.
Developers · Bhutan: SDKs, a CLI, and an MCP server — the developer surface, complete.
black and white new york city skyline — Developers · Bhutan: The night bus: entertainment downloaded, messages queued, rest easy.
Developers · Bhutan: The night bus: entertainment downloaded, messages queued, rest easy.
vibrant tokyo street at night with neon lights — Developers · Bhutan: Old town, new tricks: translation apps working in real time.
Developers · Bhutan: Old town, new tricks: translation apps working in real time.
people walking on the sand — Developers · Bhutan: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
Developers · Bhutan: Travelers stay online from the moment they land — no SIM queues, no roaming shock.
woman sitting at work — Developers · Bhutan: The viewpoint at golden hour: livestream the sunset to everyone back home.
Developers · Bhutan: The viewpoint at golden hour: livestream the sunset to everyone back home.
eiffel tower with parisian architecture — Developers · Bhutan: From departure lounge to arrival hall, the data never drops.
Developers · Bhutan: From departure lounge to arrival hall, the data never drops.
eiffel tower under blue sky — Developers · Bhutan: Harbor views with full bars: coverage where travelers actually go.
Developers · Bhutan: Harbor views with full bars: coverage where travelers actually go.
Alexandre Moreira — Developers · Bhutan: The API issues eSIMs the way your app issues everything else — over HTTPS.
Developers · Bhutan: The API issues eSIMs the way your app issues everything else — over HTTPS.
Person photographing a beautiful mountain lake view with a smartphone, enjoying outdoor adventure. — Developers · Bhutan: Hiking the ridge: trail map offline, emergency numbers saved.
Developers · Bhutan: Hiking the ridge: trail map offline, emergency numbers saved.
Jason Pittman — Developers · Bhutan: The food tour: every recommendation looked up on the spot.
Developers · Bhutan: The food tour: every recommendation looked up on the spot.
photo of a man in a blue shirt working beside a woman in a black top — Developers · Bhutan: Coast roads and country lanes — the map keeps up wherever you roam.
Developers · Bhutan: Coast roads and country lanes — the map keeps up wherever you roam.
space gray iphone 8 — Developers · Bhutan: Museum afternoons with audio guides streaming, not buffering.
Developers · Bhutan: Museum afternoons with audio guides streaming, not buffering.
Matthew DeVries — Developers · Bhutan: Souvenir hunting with live currency conversion in your pocket.
Developers · Bhutan: Souvenir hunting with live currency conversion in your pocket.
Tnarg — Developers · Bhutan: The last night: photo album backed up, memories safe before wheels-up.
Developers · Bhutan: The last night: photo album backed up, memories safe before wheels-up.
group of people using laptop computer — Developers · Bhutan: The departure board flips: gate found, lounge located, all on the eSIM.
Developers · Bhutan: The departure board flips: gate found, lounge located, all on the eSIM.
friends relaxing on malay beach in the philippines — Developers · Bhutan: Downtown, connected: the eSIM finds the fastest local network on its own.
Developers · Bhutan: Downtown, connected: the eSIM finds the fastest local network on its own.
business planning in office — Developers · Bhutan: City lights after dark — the eSIM doesn't care what time it is.
Developers · Bhutan: City lights after dark — the eSIM doesn't care what time it is.
person holding smartphone with stylish case — Developers · Bhutan: Real journeys, real connectivity — this is what the product is for.
Developers · Bhutan: Real journeys, real connectivity — this is what the product is for.

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.

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.

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

  • Keep your home SIM active for two-factor codes from your bank; run data on the eSIM line.
  • Screenshot your hotel address and booking confirmations — you'll want them with no signal.
  • If a page won't load, toggle airplane mode for ten seconds — it forces a fresh network attach.
  • Check that your phone is carrier-unlocked before you buy any eSIM — locked phones can't add one.
  • Hotspot sparingly: one laptop tethered all day can burn through a week of phone data.
  • 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

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.

The data room

Bhutan, visualized.

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.
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.5G where availableFastest local partner network, selected automatically.Keep your WhatsAppYour existing number keeps working on the data line.6 languagesThe app speaks your language, wherever you're from.24/7 supportReal humans plus the Tele Agent, around the clock.Hotspot includedShare with your laptop or tablet at no extra cost.
Included with every plan. From 5 GB to Unlimited, the inclusions don't shrink.
Network at a glanceCoverage facts for BhutanNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Bhutanesimgomobile 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 · Bhutan: 195 destinations, 5G where available, six languages.
esimgomobile Developers: 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 companionsAlways currentreflects live plans and coverageInstant resultsno waiting, no signupMobile friendlyworks on the phone in your handIllustrative profile based on tool design — not measured telemetry.
Capability profile. What Developers · Bhutan does best — the capability profile, honestly ranked.
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.
How fast is setup?
About two minutes: plan, QR scan, done.
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.
Does hotspot work?
Yes — share your connection with laptop or tablet.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
FAQ at a glance. Short answers, no sales pitch — the questions first, always.
How esimgomobile Developers 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.3Get the answerClear result with next steps — save it or act on it.4Enter your detailsTrip, data needs, destination. The tool does the math.
Tool walkthrough. Four steps from landing on Developers · Bhutan to having your 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. A 20 GB plan covers roughly two weeks of normal travel use.
Plan comparison matrixEvery plan for Bhutan — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Bhutan.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 · Bhutan: four plans, four trip shapes — the matrix carries no fine print.
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 · Bhutan ritual, no store visit.
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data2The family organizer
One tool, every traveler's needs covered.
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.
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.3Download offline mapsThey save data and work in dead zones.4Install before you flyAirport Wi-Fi is the worst place to set up connectivity.
Pro tips. The small things that separate smooth trips from stressful ones.

Ready when Bhutan is

Pick a plan, check out securely, scan the QR code — you're online before you land.

See plans and pricing Talk to the Tele Agent