Solutions

Resources

Documentation

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Solutions

Resources

Documentation

Pricing

Book A Demo

Select Language

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

Multi Channel

Leverage 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.

Reach

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

Engagement

Transactional SMS has a 45% higher response rate compared to email.

Engagement

Transactional SMS has a 45% higher response rate compared to email.

Cost-efficiency

Businesses save up to 40% on customer support costs by automating updates through SMS instead of call centers.

Cost-efficiency

Businesses save up to 40% on customer support costs by automating updates through SMS instead of call centers.

Automated

Simplifying template registration across all countries

Custom templates

Customizable messaging across 230+ countries

Prelude's template creator makes messaging multilingual and effortless—no paperwork, no headaches. Connect in 230+ countries, 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 an European company, we know one 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 an European company, we know one 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 countries, ensuring cost-efficient delivery without compromising quality.

Smart Encoding

Prelude automatically encodes your messages in GSM or Unicode based on your content and target countries, 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, making your challenges our owns.

Responsive Support

Our team is here to guide you from start to finish through dedicated Slack channel or email, making your challenges our owns.

Scalability

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

Scalability

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

Easy to setup

Start right away

1 simple endpoint that handle 1000+ routes

Whatever language you use, we got you covered.

Check documentation

package main

import (
	"context"
	"fmt"

	"github.com/prelude-so/go-sdk"
	"github.com/prelude-so/go-sdk/option"
)

func main() {
	client := prelude.NewClient()

	response, err := client.Transactional.Send(context.TODO(), prelude.TransactionalSendParams{
		TemplateID: prelude.F("template_01jd1xq0cffycayqtdkdbv4d61"),
		To: prelude.F("+30123456789"),
		Variables: prelude.F(map[string]string{
			"foo": "bar",
		}),
	})
	if err != nil {
		panic(err.Error())
	}

	fmt.Printf("%+v\n", response.ID

package main

import (
	"context"
	"fmt"

	"github.com/prelude-so/go-sdk"
	"github.com/prelude-so/go-sdk/option"
)

func main() {
	client := prelude.NewClient()

	response, err := client.Transactional.Send(context.TODO(), prelude.TransactionalSendParams{
		TemplateID: prelude.F("template_01jd1xq0cffycayqtdkdbv4d61"),
		To: prelude.F("+30123456789"),
		Variables: prelude.F(map[string]string{
			"foo": "bar",
		}),
	})
	if err != nil {
		panic(err.Error())
	}

	fmt.Printf("%+v\n", response.ID

package main

import (
	"context"
	"fmt"

	"github.com/prelude-so/go-sdk"
	"github.com/prelude-so/go-sdk/option"
)

func main() {
	client := prelude.NewClient()

	response, err := client.Transactional.Send(context.TODO(), prelude.TransactionalSendParams{
		TemplateID: prelude.F("template_01jd1xq0cffycayqtdkdbv4d61"),
		To: prelude.F("+30123456789"),
		Variables: prelude.F(map[string]string{
			"foo": "bar",
		}),
	})
	if err != nil {
		panic(err.Error())
	}

	fmt.Printf("%+v\n", response.ID

Global transactional messaging, made easy

Global transactional messaging, made easy

Leverage the best channels to engage your customers

Message delivery can fail. Prelude doesn’t.

Reach

Reach

Engagement

Engagement

Cost-efficiency

Cost-efficiency

Simplifying template registration across all countries

Customizable messaging across 230+ countries

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 handle 1000+ routes

Lower costs and transparent
pricing