>
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 Liberia

Using developers in Liberia? You are on the local edition — key facts for Liberia (capital Monrovia, dial code +231) are below. esimgomobile plans for Liberia are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalMonrovia
Dial code+231
CurrencyLiberian dollar (LRD)
Time zoneUTC+0
Main languagesEnglish

Plans are live — see plans and pricing.

Product tour

esimgomobile in action.

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

Coverage
195
destinations live
Liberia5G ready
Check coverage
Coverage at a glance for Developers · Liberia: 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.
Bernd Feurich
Liberia
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Developers · Liberia: 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.
man in black jacket standing on rock formation under blue sky
Ready for Liberia?
Get your eSIM
“Ready for Liberia?” — the banner on Developers · Liberia: 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.
esimgomobile.com
Checkout
Atlas Unlimited — Liberiatotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Developers · Liberia: Atlas Unlimited, full price up front, no fine print.
  1. 1The dashboard keeps every eSIM, every trip, in one place.
  2. 2Rows show data left, days left and current city at a glance.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Developers · Liberia — 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.
Why travelers pick it
  • Instant QR install
  • 5G where available
  • One-tap top-up
Why travelers pick Developers · Liberia: Instant QR install, 5G where available, One-tap top-up.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
Tele Agent
Do I need a local number in Liberia?
A local Liberia number is available on this plan — I can attach it before you land.
Tele Agent chat on Developers · Liberia — real questions, specific answers, zero telecom jargon.
  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 Liberia line…”
AI voice agent on Developers · Liberia — answers spoken aloud, never a support ticket.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
Install
1 Scan2 Add3 Go
The Developers · Liberia 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.
Altaf Shah
“Switched plans mid-trip in Liberia. Took about a minute.”
Aiko T.Verified traveler · Liberia
Traveler review for Developers · Liberia: “Switched plans mid-trip in Liberia. Took about a minute.” — Aiko T..
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
70%
data left
Usage ring on Developers · Liberia — 70% 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.
an elderly man on video call with an agent doing a hand sign
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Developers · Liberia: 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.
eSIM installedYour Liberia plan is ready.
Push · just now
Push notification on Developers · Liberia: eSIM installed, plan ready to activate.
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Atlas 5GB
5 GB · 30 days
Liberia
Atlas 5GB — 5 GB · 30 days, prepaid and ready on Developers · Liberia.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"LI"}'
200 OK · 69 ms
REST API behind Developers · Liberia: issue eSIMs programmatically — 200 OK in milliseconds.
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
Tele Agent transcript
Can I keep my WhatsApp number?
Yes — your eSIM is data-first, so WhatsApp keeps working on your existing number in Liberia.
Tele Agent transcript on Developers · Liberia: 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.
esimgomobile.com
Bhargava Marripati
esimgomobile Developers
Travel guides · 8 min read
From the blog: “esimgomobile Developers” — 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.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Liberia
The honest comparison on Developers · Liberia: 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.
Support
How does Developers · Liberia work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Developers · Liberia: 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.
Language
EnglishEspañolFrançais
Language picker on Developers · Liberia — English, Español, Français: the app speaks six languages.
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
stunning new york city night skyline with bridge — Developers · Liberia: Café office: hotspot running, video call stable, no hotel Wi-Fi roulette.
Developers · Liberia: Café office: hotspot running, video call stable, no hotel Wi-Fi roulette.
person using gray laptop — Developers · Liberia: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Developers · Liberia: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
silhouette of person in airport — Developers · Liberia: From departure lounge to arrival hall, the data never drops.
Developers · Liberia: From departure lounge to arrival hall, the data never drops.
Person photographing a beautiful mountain lake view with a smartphone, enjoying outdoor adventure. — Developers · Liberia: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Developers · Liberia: The commute, handled: podcasts downloaded, messages sent, no dead zones.
silhouette of 2 men and woman standing on beach during sunset — Developers · Liberia: The night bus: entertainment downloaded, messages queued, rest easy.
Developers · Liberia: The night bus: entertainment downloaded, messages queued, rest easy.
photo of a black phone with cameras — Developers · Liberia: The business trip: client deck synced, video call joined from the taxi.
Developers · Liberia: The business trip: client deck synced, video call joined from the taxi.
eiffel tower in paris framed by lush greenery — Developers · Liberia: Plazas and promenades: video calls home with the view behind you.
Developers · Liberia: Plazas and promenades: video calls home with the view behind you.
photo of city buildings — Developers · Liberia: Golden hour, fully online — photo backups upload before dinner.
Developers · Liberia: Golden hour, fully online — photo backups upload before dinner.
Ricky Esquivel — Developers · Liberia: Build on the same rails the Liberia checkout uses.
Developers · Liberia: Build on the same rails the Liberia checkout uses.
person holding a smartphone — Developers · Liberia: Souvenir hunting with live currency conversion in your pocket.
Developers · Liberia: Souvenir hunting with live currency conversion in your pocket.
Eli G — Developers · Liberia: The window seat office: emails sent somewhere over the ocean.
Developers · Liberia: The window seat office: emails sent somewhere over the ocean.
Pok Rie — Developers · Liberia: Every endpoint returns the same shape — learn one, know them all.
Developers · Liberia: Every endpoint returns the same shape — learn one, know them all.
vibrant nightlife in tokyo s shinjuku district — Developers · Liberia: Lost in the medina, found by GPS: the blue dot never lies.
Developers · Liberia: Lost in the medina, found by GPS: the blue dot never lies.
people having a toast — Developers · Liberia: The API issues eSIMs the way your app issues everything else — over HTTPS.
Developers · Liberia: The API issues eSIMs the way your app issues everything else — over HTTPS.
a family is silhouetted against an airport window — Developers · Liberia: Coast roads and country lanes — the map keeps up wherever you roam.
Developers · Liberia: Coast roads and country lanes — the map keeps up wherever you roam.
a woman waving her hand while looking at the screen of the laptop — Developers · Liberia: Street level: navigation, rideshares and reviews, all instant.
Developers · Liberia: Street level: navigation, rideshares and reviews, all instant.
view of illuminated signs on buildings in tokyo at night — Developers · Liberia: API keys rotate in one click — the dashboard makes it boring.
Developers · Liberia: API keys rotate in one click — the dashboard makes it boring.
silhouette photography of group of people jumping during golden time — Developers · Liberia: The departure board flips: gate found, lounge located, all on the eSIM.
Developers · Liberia: The departure board flips: gate found, lounge located, all on the eSIM.
Tiana — Developers · Liberia: Family group chat: location shared, dinner plans settled in minutes.
Developers · Liberia: Family group chat: location shared, dinner plans settled in minutes.
close up portrait of a young woman typing a text message on mobile phone — Developers · Liberia: The food tour: every recommendation looked up on the spot.
Developers · Liberia: The food tour: every recommendation looked up on the spot.

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. 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

  • Keep your home SIM active for two-factor codes from your bank; run data on the eSIM line.
  • Turn off auto-play on social apps before you fly; it quietly eats roaming data.
  • 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.
  • Set a data alert at 80% so a top-up never surprises you 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

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.

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 Liberia.

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.
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 browserInstant resultsno waiting, no signupAlways currentreflects live plans and coverageShares wellsend the answer to travel companionsMobile friendlyworks on the phone in your handIllustrative profile based on tool design — not measured telemetry.
Capability profile. Capabilities measured by traveler value, not feature count.
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 last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data3The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data4The family organizer
One tool, every traveler's needs covered.
esimgomobile network data
Use cases. Six traveler shapes, one tool — Developers · Liberia'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.1Land connectedSwitch the line on when you arrive — online before baggage claim.2Pick your planChoose data for your trip — checkout takes about two minutes.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 · Liberia ritual, no store visit.
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.6 languagesThe app speaks your language, wherever you're from.24/7 supportReal humans plus the Tele Agent, around the clock.Keep your WhatsAppYour existing number keeps working on the data line.One-tap top-upMore data in seconds — no new QR code.5G where availableFastest local partner network, selected automatically.
Included with every plan. 5G, hotspot, WhatsApp continuity, top-up, support, six languages — all tiers.
Network at a glanceCoverage facts for LiberiaNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Liberiaesimgomobile 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 · Liberia: 195 destinations, 5G where available, six languages.
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.
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.2Enter your detailsTrip, data needs, destination. The tool does the math.3Get the answerClear result with next steps — save it or act on it.4Apply itJump straight to the plan, setting or page it points to.
Tool walkthrough. Four steps from landing on Developers · Liberia to having your answer.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
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.
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. Short answers, no sales pitch — the questions first, always.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Screenshot bookingsHotel address & confirmations, available with no signal.2Set an 80% alertA top-up should never surprise you mid-trip.3Install before you flyAirport Wi-Fi is the worst place to set up connectivity.4Download offline mapsThey save data and work in dead zones.
Pro tips. Veterans do all four without thinking.
Plan comparison matrixEvery plan for Liberia — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Liberia.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 Liberia; pick by trip length and appetite for data.

Your Liberia plan is two minutes away

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