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Global transactional messaging, made easy

Create, customize, and send global transactional SMS and messages effortlessly with our API. Access the tools and routes you need to engage your users, no matter where they are.

Start for Free

Talk to Sales

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Multi Channel

Use the best channels to engage your customers

Optimal

Message delivery can fail. Prelude doesn’t

Direct carrier access + instant fallback = near-perfect delivery.
99.99% deliverability, 95% conversions, and zero downtime. Four channels, no excuses.

Direct carrier access + instant fallback = near-perfect delivery. 99.99% deliverability, 95% conversions, and zero downtime. Four channels, no excuses.

multi routing delivery for transactional sms

Reach

SMS messages have an impressive 98% open rate, with most being read within 3 minutes of receipt.

Engagement

SMS messages have an impressive 98% open rate, with most being read within 3 minutes of receipt.

Cost-efficiency

Prelude routes each message through the cheapest provider in each region. Customers cut SMS spend by 30% compared to their previous setup.

Automated

Simplifying template registration across all countries

Custom Templates

Customizable messaging across 230+ regions

Prelude's template creator makes messaging multilingual and effortless. No paperwork, no headaches. Connect in 230+ regions, personalize like a pro, and let your brand do the talking.

Cheaper

Lower costs and transparent
pricing

Multi-routing: the best routes at the lowest cost. No spam, no hidden fees, no PhD required to decode your bill. Prelude keeps it transparent, flexible, and budget-friendly.

Observable

Real-time analytics to improve conversions

Get real-time analytics to see what’s working and what’s not. Spot bottlenecks, track conversions by country, and monitor KPIs. Because guesswork isn’t a strategy.

Why the fastest-growing companies trust Prelude for transactional messages

Multi-Channel

Leverage five different channels to notify your users using internet or cellular data: SMS, WhatsApp, Viber, Zalo, and RCS.

Multi-Channel

Leverage five different channels to notify your users using internet or cellular data: SMS, WhatsApp, Viber, Zalo, and RCS.

Regulatory Compliance

As a European company, we know a thing or two about regulations. We provide you with the tools to ensure you are fully compliant with local and international standards.

Regulatory Compliance

As a European company, we know a thing or two about regulations. We provide you with the tools to ensure you are fully compliant with local and international standards.

Vetted Sender Options

Deliver your messages through a trusted catalog of high-throughput toll-free numbers, alphanumeric Sender IDs, short codes, and 10DLCs.

Vetted Sender Options

Deliver your messages through a trusted catalog of high-throughput toll-free numbers, alphanumeric Sender IDs, short codes, and 10DLCs.

Smart Encoding

Prelude automatically encodes your messages in GSM or Unicode based on your content and target regions, ensuring cost-efficient delivery without compromising quality.

Smart Encoding

Prelude automatically encodes your messages in GSM or Unicode based on your content and target regions, ensuring cost-efficient delivery without compromising quality.

Responsive Support

Our team is here to guide you from start to finish through dedicated Slack channel or email.

Responsive Support

Our team is here to guide you from start to finish through dedicated Slack channel or email.

Scalability

Prelude API gives you access to over 1000 routes in 230 regions, allowing your company to expand globally without needing new providers or APIs.

Scalability

Prelude API gives you access to over 1000 routes in 230 regions, allowing your company to expand globally without needing new providers or APIs.

Easy to setup

Start right away

1 simple endpoint that handles 1000+ routes

Whatever language you use, we got you covered.

Check Documentation

Node.js

Python

Kotlin/Java

Ruby

import Prelude from '@prelude.so/sdk';

const client = new Prelude({
  apiToken: process.env['API_TOKEN'], // This is the default and can be omitted
});

const verification = await client.verification.create({
  target: { type: 'phone_number', value: '+30123456789' },
});

console.log(verification.id);

Node.js

Python

Kotlin/Java

Ruby

import Prelude from '@prelude.so/sdk';

const client = new Prelude({
  apiToken: process.env['API_TOKEN'], // This is the default and can be omitted
});

const verification = await client.verification.create({
  target: { type: 'phone_number', value: '+30123456789' },
});

console.log(verification.id);

Node.js

Python

Kotlin/Java

Ruby

import Prelude from '@prelude.so/sdk';

const client = new Prelude({
  apiToken: process.env['API_TOKEN'], // This is the default and can be omitted
});

const verification = await client.verification.create({
  target: { type: 'phone_number', value: '+30123456789' },
});

console.log(verification.id);

Run every onboarding decision on one stack.

Convert real users. Block fake ones.

Start for Free

Talk to Sales

Global transactional messaging, made easy

Global transactional messaging, made easy

Use the best channels to engage your customers

Message delivery can fail. Prelude doesn’t

Reach

Engagement

Cost-efficiency

Simplifying template registration across all countries

Customizable messaging across 230+ regions

Lower costs and transparent pricing

Real-time analytics to improve conversions

Why the fastest-growing companies trust Prelude for transactional messages

Multi-Channel

Multi-Channel

Regulatory Compliance

Regulatory Compliance

Vetted Sender Options

Vetted Sender Options

Smart Encoding

Smart Encoding

Responsive Support

Responsive Support

Scalability

Scalability

Start right away

1 simple endpoint that handles 1000+ routes

Run every onboarding decision on one stack.

Lower costs and transparent
pricing