>
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 Mauritania

Using developers in Mauritania? You are on the local edition — key facts for Mauritania (capital Nouakchott, dial code +222) are below. esimgomobile plans for Mauritania are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.

CapitalNouakchott
Dial code+222
CurrencyMauritanian ouguiya (MRU)
Time zoneUTC+0
Main languagesArabic

Plans are live — see plans and pricing.

How it works

Twenty screens, twenty photos.

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

esimgomobile.com
Plans for Mauritania
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
Plan picker on Developers · Mauritania: 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.
Launch facts
195destinations live
31free tools
$8entry monthly plan
Launch facts behind Developers · Mauritania — 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.
close up shot of a man using a smartphone
Get connected
1 Pick a plan2 Scan QR3 Land online
Three steps on Developers · Mauritania: 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.
Install
1 Scan2 Add3 Go
The Developers · Mauritania 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.
esimgomobile.com
Checkout
Atlas 20GB — Mauritaniatotal
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
Secure checkout on Developers · Mauritania: Atlas 20GB, full price up front, no fine print.
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
vs roaming
esimgomobile eSIMone price
Carrier roamingper-day fees
10 GB · 14 days · Mauritania
The honest comparison on Developers · Mauritania: one prepaid eSIM price versus carrier roaming.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
$8
entry monthly plan
launch fact
Launch fact behind Developers · Mauritania: $8 entry monthly plan — a fixed figure, not live telemetry.
  1. 1The roaming math, made visible: one price versus per-day carrier fees.
  2. 2This is the comparison most travelers never see until the bill.
Virtual number
+1 205 523 3851
Routes toMauritania
SMS + voiceEnabled
Your second line on Developers · Mauritania: +1 205 523 3851 — real number, SMS and voice enabled.
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
esimgomobile.com
Dashboard
Active eSIMs3
Data left20 GB
Current cityMauritania
Web dashboard on Developers · Mauritania: 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.
esimgomobile.com
eiffel tower in paris
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.
Atlas 50GB
50 GB · 60 days
Mauritania
Atlas 50GB — 50 GB · 60 days, prepaid and ready on Developers · Mauritania.
  1. 1The plan chip: name, allowance and destination in one line.
  2. 2Everything you need to confirm you're on the right plan.
My eSIM
40%20 GB left
Days left10
Top up+10 GB
Data dashboard on Developers · Mauritania: 40% 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.
three people working in the office
“Customs line in Mauritania was the perfect time to install — done by baggage claim.”
Sofia L.Verified traveler · Mauritania
Traveler review for Developers · Mauritania: “Customs line in Mauritania was the perfect time to install — done by baggage claim.” — Sofia L..
  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.
Network
5G
Mauritania connected
Network widget for Developers · Mauritania: 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.
silhouetted eiffel tower at sunset
Mauritania
eSIM dataLive
Local numberAvailable
5GYes
Coverage card on Developers · Mauritania: 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.
woman wearing headphones while video calling to patient
Ready for Mauritania?
Get your eSIM
“Ready for Mauritania?” — the banner on Developers · Mauritania: 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.
eSIM installedYour Mauritania plan is ready.
Push · just now
Push notification on Developers · Mauritania: 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.
Recent speeds
Istanbul461 Mbps
Istanbul760 Mbps
Cairo687 Mbps
Recent speeds for Developers · Mauritania — Istanbul, Istanbul, Cairo: 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.
eSIM plan
Atlas 20GB20 GB · 30 days
Mauritania
Install eSIM
Atlas 20GB on Developers · Mauritania — 20 GB · 30 days, prepaid with the full price shown before you pay.
  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.
Tele Agent
“Setting up your Mauritania line…”
AI voice agent on Developers · Mauritania — answers spoken aloud, never a support ticket.
  1. 1The plan card shows exactly what you're buying — data, days, destination.
  2. 2One tap starts the two-minute QR install.
close up photo of an operator working — Developers · Mauritania: The night bus: entertainment downloaded, messages queued, rest easy.
Developers · Mauritania: The night bus: entertainment downloaded, messages queued, rest easy.
view of airplanes parked at manila airport — Developers · Mauritania: Coworking abroad: laptop tethered, calls crisp, deadlines met.
Developers · Mauritania: Coworking abroad: laptop tethered, calls crisp, deadlines met.
A hand holding a smartphone capturing a bustling train station with blurred travelers in the background. — Developers · Mauritania: Lost in the medina, found by GPS: the blue dot never lies.
Developers · Mauritania: Lost in the medina, found by GPS: the blue dot never lies.
laughing man and woman working in a call center — Developers · Mauritania: The last night: photo album backed up, memories safe before wheels-up.
Developers · Mauritania: The last night: photo album backed up, memories safe before wheels-up.
close up shot of a man using a smartphone — Developers · Mauritania: Museum afternoons with audio guides streaming, not buffering.
Developers · Mauritania: Museum afternoons with audio guides streaming, not buffering.
A couple enjoying a sunny day with smartphones and wine glasses on a rooftop in Portugal. — Developers · Mauritania: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
Developers · Mauritania: Rainy-day backup plan: indoor attractions researched from the hostel bunk.
woman walking on pathway while strolling luggage — Developers · Mauritania: Rain or shine, the connection holds — weather doesn't throttle data.
Developers · Mauritania: Rain or shine, the connection holds — weather doesn't throttle data.
people on meeting at work — Developers · Mauritania: The conference badge: QR ticket scanned, session schedule synced.
Developers · Mauritania: The conference badge: QR ticket scanned, session schedule synced.
close up shot of headphones hanging on a laptop — Developers · Mauritania: Webhooks tell you when data runs low, plans expire, top-ups land.
Developers · Mauritania: Webhooks tell you when data runs low, plans expire, top-ups land.
commercial buildings — Developers · Mauritania: Plazas and promenades: video calls home with the view behind you.
Developers · Mauritania: Plazas and promenades: video calls home with the view behind you.
people having a toast — Developers · Mauritania: The food tour: every recommendation looked up on the spot.
Developers · Mauritania: The food tour: every recommendation looked up on the spot.
eiffel tower and building — Developers · Mauritania: Every endpoint returns the same shape — learn one, know them all.
Developers · Mauritania: Every endpoint returns the same shape — learn one, know them all.
man in black jacket sitting on brown wooden folding chair using macbook — Developers · Mauritania: Duty-free browsing: price-checked against home before buying.
Developers · Mauritania: Duty-free browsing: price-checked against home before buying.
Nothing Ahead — Developers · Mauritania: Coast roads and country lanes — the map keeps up wherever you roam.
Developers · Mauritania: Coast roads and country lanes — the map keeps up wherever you roam.
A woman sitting comfortably on a ferry, enjoying a peaceful journey. — Developers · Mauritania: Rate limits are generous and documented — no surprise 429s.
Developers · Mauritania: Rate limits are generous and documented — no surprise 429s.
airplane wing above the clouds on a clear day — Developers · Mauritania: Sunrise hikes start with a weather check — data on, boots on.
Developers · Mauritania: Sunrise hikes start with a weather check — data on, boots on.
view of airplane wing and clouds from cabin — Developers · Mauritania: Sandbox first: test provisioning without spending a cent.
Developers · Mauritania: Sandbox first: test provisioning without spending a cent.
woman with red cap talking on laptop — Developers · Mauritania: The commute, handled: podcasts downloaded, messages sent, no dead zones.
Developers · Mauritania: The commute, handled: podcasts downloaded, messages sent, no dead zones.
using a laptop and drinking coffee — Developers · Mauritania: The window seat office: emails sent somewhere over the ocean.
Developers · Mauritania: The window seat office: emails sent somewhere over the ocean.
lively nightlife in shibuya tokyo street — Developers · Mauritania: Migrate from Twilio in three steps — the toolkit does the heavy lifting.
Developers · Mauritania: Migrate from Twilio in three steps — the toolkit does the heavy lifting.

Explainer

esimgomobile Developers: the full picture

The long version is the rest of this page — plans, mechanics, edge cases and honest trade-offs, written the way we'd explain it to a friend.

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

The short version: prepaid travel eSIMs across 195 destinations, installed by QR code in two minutes, managed from a dashboard, with an AI agent on call when you need a human-style answer fast.

Explainer

How it works, step by step

  1. 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

  • Hotspot sparingly: one laptop tethered all day can burn through a week of phone data.
  • 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.
  • Turn off auto-play on social apps before you fly; it quietly eats roaming data.
  • If a page won't load, toggle airplane mode for ten seconds — it forces a fresh network attach.
  • Buy and install your eSIM before departure — airport Wi-Fi is the worst place to set up connectivity.

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 Mauritania.

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.
Network at a glanceCoverage facts for MauritaniaNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available in Mauritaniaesimgomobile network data6app languagesesimgomobile network data2 mintypical install timeesimgomobile network dataPlus: local numbers where available, hotspot included, 24/7 support.Prepaid only — when the plan ends, it simply stops. No contracts.
Coverage facts. Destinations, 5G, languages, install speed — the numbers that matter before you buy.
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. Developers · Mauritania, demystified: open, enter, answer, act.
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Download offline mapsThey save data and work in dead zones.2Install before you flyAirport Wi-Fi is the worst place to set up connectivity.3Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.4Screenshot bookingsHotel address & confirmations, available with no signal.
Pro tips. Veterans do all four without thinking.
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 family organizer
One tool, every traveler's needs covered.
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.
What your gigabytes meanTypical hourly usage per activityWhat your gigabytes meanTranslate plan sizes into real travel behavior.Maps & navigation≈ 5 MB / hourMessaging & email≈ 20 MB / hourSocial browsing≈ 150 MB / hourVideo calls≈ 600 MB / hourHD streaming≈ 1.5 GB / hourTypical usage rates — actual consumption varies by app and quality settings.
Data usage guide. Maps sip, streaming gulps: size the plan to your heaviest habit.
Plan comparison matrixEvery plan for Mauritania — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to Mauritania.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 · Mauritania: four plans, four trip shapes — the matrix carries no fine print.
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.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.Hotspot includedShare with your laptop or tablet at no extra cost.One-tap top-upMore data in seconds — no new QR code.24/7 supportReal humans plus the Tele Agent, around the clock.
Included with every plan. Six things ship with every plan — the Developers · Mauritania baseline, generous on purpose.
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.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.
Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
How fast is setup?
About two minutes: plan, QR scan, done.
Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
FAQ at a glance. Six questions every traveler asks — the Developers · Mauritania answers, one screen.
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.2Scan the QR codeThe eSIM installs straight onto your phone. No store, no plastic SIM.3Pick your planChoose data for your trip — checkout takes about two minutes.
Three-step setup. Buy, scan, land: the whole sequence fits in a coffee queue.
esimgomobile Developers: capability profileWhat the tool is good at — illustrative profileCapability profileFive strengths, ranked by what users feel first.Always currentreflects live plans and coverageShares wellsend the answer to travel companionsInstant resultsno waiting, no signupPrivate by designyour inputs stay in your browserMobile friendlyworks on the phone in your handIllustrative profile based on tool design — not measured telemetry.
Capability profile. What Developers · Mauritania does best — the capability profile, honestly ranked.

Ready when Mauritania 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