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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 Zambia

Using developers in Zambia? You are on the local edition — key facts for Zambia (capital Lusaka, dial code +260) are below. esimgomobile plans for Zambia are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalLusaka
Dial code+260
CurrencyZambian kwacha (ZMW)
Time zoneUTC+2
Main languagesEnglish

Plans are live — see plans and pricing.

Product tour

The product, up close.

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

Atlas Unlimited
Unlimited · 30 days
Zambia
Atlas Unlimited — Unlimited · 30 days, prepaid and ready on Developers · Zambia.
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
Tele Agent transcript
How fast is the data in Zambia?
Zambia averages 5G in cities. Your plan connects to the fastest local network automatically.
Tele Agent transcript on Developers · Zambia: 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?
Language
日本語FrançaisDeutsch
Language picker on Developers · Zambia — 日本語, Français, Deutsch: 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.
Mountain Covered with Snow
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Developers · Zambia: 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.
Zambia · coverage
5 carriers · automatic selection
Coverage map on Developers · Zambia: 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.
My eSIM
85%50 GB left
Days left28
Top up+10 GB
Data dashboard on Developers · Zambia: 85% remaining, days left, top-up one tap away.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Developers · Zambia — 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.
Support
How does Developers · Zambia work?
Enter your trip details and get an instant answer — no account needed.
Support snippet — Developers · Zambia: 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.
Coverage
195
destinations live
Zambia5G ready
Check coverage
Coverage at a glance for Developers · Zambia: 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.
Network
5G
Zambia connected
Network widget for Developers · Zambia: 5G, full bars — zero ambiguity about the connection.
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
Speed test
571Mbps
5G · Zambia · 25 ms
Illustrative speed readout on Developers · Zambia: 571 Mbps, 25 ms — example figures, not live measurements.
  1. 1Illustrative speed readout: sample carrier, city and latency figures.
  2. 2The meter demonstrates the readout — figures are examples, not live measurements.
close up view of the eiffel tower in paris
“My hotspot ran the whole Airbnb in Zambia for two weeks.”
Jonas K.Verified traveler · Zambia
Traveler review for Developers · Zambia: “My hotspot ran the whole Airbnb in Zambia for two weeks.” — Jonas K..
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Zambia · 5G
Signal widget on Developers · Zambia: network generation and place, always visible.
  1. 1The plan chip: name, allowance and destination in one line.
  2. 2Everything you need to confirm you're on the right plan.
Why travelers pick it
  • Instant QR install
  • 24/7 support
  • One-tap top-up
Why travelers pick Developers · Zambia: Instant QR install, 24/7 support, One-tap top-up.
  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
open laptop displaying video conference call
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.
Tele Agent
What happens when my data runs out in Zambia?
You get a heads-up at 80%, then one-tap top-up. No roaming-bill surprises in Zambia.
Tele Agent chat on Developers · Zambia — 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.
airplane wing seen through window
Zambia
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Developers · Zambia: 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.
65%
data left
Usage ring on Developers · Zambia — 65% 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.
esimgomobile.com
Plans for Zambia
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Developers · Zambia: 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.
eSIM plan
Atlas 5GB5 GB · 30 days
Zambia
Install eSIM
Atlas 5GB on Developers · Zambia — 5 GB · 30 days, prepaid with the full price shown before you pay.
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Manzoni Studios — Developers · Zambia: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Developers · Zambia: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
picturesque view of santorini s iconic architecture — Developers · Zambia: Build on the same rails the Zambia checkout uses.
Developers · Zambia: Build on the same rails the Zambia checkout uses.
Franco Monsalvo — Developers · Zambia: SDKs, a CLI, and an MCP server — the developer surface, complete.
Developers · Zambia: SDKs, a CLI, and an MCP server — the developer surface, complete.
a woman holding a coffee — Developers · Zambia: The business trip: client deck synced, video call joined from the taxi.
Developers · Zambia: The business trip: client deck synced, video call joined from the taxi.
amazed daughter and mother in airport hallway — Developers · Zambia: Currency exchange, skipped: the phone pays at the real rate.
Developers · Zambia: Currency exchange, skipped: the phone pays at the real rate.
traditional blue dome church in santorini — Developers · Zambia: Night markets and late trains — connected the whole way through.
Developers · Zambia: Night markets and late trains — connected the whole way through.
greek town by sea — Developers · Zambia: Real journeys, real connectivity — this is what the product is for.
Developers · Zambia: Real journeys, real connectivity — this is what the product is for.
eiffel tower with trees in paris france — Developers · Zambia: The connected trip: maps, messages and translation, all on one eSIM.
Developers · Zambia: The connected trip: maps, messages and translation, all on one eSIM.
Anthony Borshon Gomes — Developers · Zambia: Every endpoint returns the same shape — learn one, know them all.
Developers · Zambia: Every endpoint returns the same shape — learn one, know them all.
Марина Вотинцева — Developers · Zambia: The modern arrival: online before the seatbelt sign goes off.
Developers · Zambia: The modern arrival: online before the seatbelt sign goes off.
a group of men on the beach playing soccer — Developers · Zambia: Lost in the medina, found by GPS: the blue dot never lies.
Developers · Zambia: Lost in the medina, found by GPS: the blue dot never lies.
Nikita Grishin — Developers · Zambia: Coast roads and country lanes — the map keeps up wherever you roam.
Developers · Zambia: Coast roads and country lanes — the map keeps up wherever you roam.
man standing on a grass with snow covered mountains background — Developers · Zambia: API keys rotate in one click — the dashboard makes it boring.
Developers · Zambia: API keys rotate in one click — the dashboard makes it boring.
hiker standing on rocky mountain — Developers · Zambia: The long layover: streaming, working and messaging, all covered.
Developers · Zambia: The long layover: streaming, working and messaging, all covered.
a man in green jacket carrying a brown backpack — Developers · Zambia: The status page is public — uptime you can verify, not claim.
Developers · Zambia: The status page is public — uptime you can verify, not claim.
aerial view of fira santorini s white structures — Developers · Zambia: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Developers · Zambia: The commute, handled: podcasts downloaded, messages sent, no dead zones.
church with dome and sea — Developers · Zambia: Rate limits are generous and documented — no surprise 429s.
Developers · Zambia: Rate limits are generous and documented — no surprise 429s.
man wearing yellow jacket in a mountain valley — Developers · Zambia: Island time, online time: ferries, beaches and full signal.
Developers · Zambia: Island time, online time: ferries, beaches and full signal.
people working as call center agents — Developers · Zambia: Rain or shine, the connection holds — weather doesn't throttle data.
Developers · Zambia: Rain or shine, the connection holds — weather doesn't throttle data.
Tiago Ventura — Developers · Zambia: Street-food stalls and mobile pay: dinner ordered without a word of the language.
Developers · Zambia: Street-food stalls and mobile pay: dinner ordered without a word of the language.

Explainer

esimgomobile Developers: the full picture

Everything on this page exists to answer one question well: how does esimgomobile fit into your trip? The sections below go deep so you never need a second tab.

The 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.

Explainer

How it works, step by step

  1. Choose data that fits the trip
    • Short city break? 5 GB. Two weeks with maps and video calls? 20 GB. Working remotely or hotspotting? 50 GB or Unlimited.
    • Every plan shows exactly what you get — no asterisks.
  2. Install in two minutes
    • Buy, scan the QR code, done. The whole thing happens on your phone, wherever you are.
    • Install days before you fly or minutes before boarding — your call.
  3. Switch on and go
    • Enable the eSIM line in settings when you arrive. It connects to the fastest local partner network on its own.
    • Your home number keeps working for calls and texts on your physical SIM if you keep it active.

Explainer

Good to know

  • Download offline maps for your destination — they save data and work in dead zones.
  • WhatsApp, iMessage and FaceTime keep your existing number on a data eSIM — no need to tell anyone a new number.
  • Screenshot your hotel address and booking confirmations — you'll want them with no signal.
  • Set a data alert at 80% so a top-up never surprises you mid-trip.
  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
  • Turn off auto-play on social apps before you fly; it quietly eats roaming data.

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.

By the numbers

Every chart that matters for Zambia.

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.
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.2Install before you flyAirport Wi-Fi is the worst place to set up connectivity.3Check unlock statusCarrier-locked phones can't add an eSIM — verify first.4Download offline mapsThey save data and work in dead zones.
Pro tips. Four habits for smooth trips — pro tips for Developers · Zambia.
Plan comparison matrixEvery plan for Zambia — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Zambia.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 Zambia; pick by trip length and appetite for data.
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The family organizer
One tool, every traveler's needs covered.
esimgomobile network data2The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data3The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data4The last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data
Use cases. Six traveler shapes, one tool — Developers · Zambia's use cases.
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 browserMobile friendlyworks on the phone in your handAlways currentreflects live plans and coverageInstant resultsno waiting, no signupShares wellsend the answer to travel companionsIllustrative profile based on tool design — not measured telemetry.
Capability profile. What Developers · Zambia does best — the capability profile, honestly ranked.
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 · Zambia ritual, no store visit.
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.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. Every tool on esimgomobile follows the same honest pattern: input, math, answer.
Network at a glanceCoverage facts for ZambiaNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Zambiaesimgomobile 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. Zambia connects to the fastest available local partner network automatically.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.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.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
Does hotspot work?
Yes — share your connection with laptop or tablet.
FAQ at a glance. Six questions every traveler asks — the Developers · Zambia answers, one screen.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.One-tap top-upMore data in seconds — no new QR code.Hotspot includedShare with your laptop or tablet at no extra cost.24/7 supportReal humans plus the Tele Agent, around the clock.6 languagesThe app speaks your language, wherever you're from.Keep your WhatsAppYour existing number keeps working on the data line.5G where availableFastest local partner network, selected automatically.
Included with every plan. Six things ship with every plan — the Developers · Zambia 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. Gigabytes translated into hours — the Developers · Zambia usage guide.

Take Zambia with you, connected

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

See plans and pricing Talk to the Tele Agent