New guide: how to register your sender ID and templates for India (DLT). Read now →
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Telnxo
Messaging infrastructure for builders

SMS, WhatsApp and voice you can trust, at any scale.

Send transactional and marketing messages over SMS, WhatsApp, RCS and voice from one API, with sender registration, smart routing, delivery tracking and analytics built in.

Free test credits included. See plans and limits

Node.jsPythonPHPLaravelWordPressDjangoRuby on RailsGoJava.NETcURLPostmanNode.jsPythonPHPLaravelWordPressDjangoRuby on RailsGoJava.NETcURLPostman
Built for volumemessages a day

Works with the stack you run

Integrations

Plug into the tools you already run

Point the REST API or webhooks at your tools, or use a ready connector. Most setups need only an API key.

E-commerce

ShopifyMagentoWooCommerceBigCommercePrestaShop

CRM and support

SalesforceHubSpotZoho CRMPerfex CRMPipedrive

CMS and frameworks

WordPressLaravelDjangoNode.jsRuby on Rails

Automation

Zapiern8nMakeWebhooksREST API

Billing and ERP

StripeRazorpayQuickBooksZoho BooksOdoo

Data and analytics

Signed webhooksEvent streamsCSV exportDelivery reports
One platform

One platform from first send to handset

  1. 1

    Send

    One API. One endpoint, authenticated and rate-aware.

  2. 2

    Track

    Every delivery, read, reply and failure as it happens.

  3. 3

    Protect

    Sender registration, templates and consent checks, always on.

  4. 4

    Scale

    Local routes, failover and team controls as you grow.

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Delivery, built in

Delivery is a feature, not an afterthought

We guide every sender through registration, route traffic by country quality and watch delivery so problems surface early.

  • Guided sender ID and template registration by country
  • Smart routes with automatic fallback
  • Delivery and quality monitoring with alerts
  • Automatic opt-out and consent handling
  • Per-carrier insight into delays and failures
Explore the compliance hub →
Developers

Send your first message in a few lines

Use the REST API from any language, or connect with a ready SDK.

Illustrative request. Exact fields are in the API reference.

curl https://api.telnxo.com/v1/messages \
  -H "Authorization: Bearer $TELNXO_KEY" \
  -H "Content-Type: application/json" \
  -d '{"channel":"sms","to":"+910000000000",
       "template":"otp","vars":{"code":"482913"}}'
202 Accepted message queued
const res = await fetch("https://api.telnxo.com/v1/messages", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.TELNXO_KEY}`,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({ channel: "sms",
    to: "+910000000000", template: "otp",
    vars: { code: "482913" } })
});
202 Accepted message queued
import os, requests

res = requests.post(
    "https://api.telnxo.com/v1/messages",
    headers={"Authorization": f"Bearer {os.environ['TELNXO_KEY']}"},
    json={"channel": "sms", "to": "+910000000000",
          "template": "otp", "vars": { code: "482913" }},
)
202 Accepted message queued
How it works

From your app to the handset, with checks at every hop

1

Your app

Sends by API with your key.

2

Intake

Authenticates, validates and rate-checks the request.

3

Queue and routing

Prioritises traffic and picks the best route for the country.

4

Compliance and delivery

Applies sender ID and template rules, then delivers with carrier-aware pacing.

5

Handset and events

Delivery, read and reply events flow back to you.

Built for teams

Operate messaging like infrastructure

Analytics and logs

Searchable message logs and delivery, failure and engagement reports.

Webhooks and events

Signed events for delivery, read, reply, failure and opt-out.

Templates

Versioned templates with variables, approvals and test sends.

Teams and workspaces

Roles, workspaces and single sign-on for larger organisations.

Audit log

A record of who changed keys, senders, limits and settings.

Live status

Public status page and incident history you can subscribe to.

Industries

One platform, whatever you send

Pick an industry to see how the same platform works for it. Animations use sample data.

Scale

The scale behind your messaging

Mmessages per day
.Bmessages per month
messages per second

The monthly and per-second figures are averages derived from daily volume.

Start sending in minutes.

Create an account, register your sender and send your first message.

Start freeTalk to sales
From the blog

Latest analysis, trends and market data

All posts →

Start messaging in minutes.

Create an account, register your sender and send your first SMS or WhatsApp message.

Get started Talk to sales