Solutions

Resources

Documentation

Pricing

Book a Demo

Onboarding and Trust Infrastructure

////////////////

The trust layer between your signups and your business.

Prelude unifies device, network, and signup signals into one onboarding decision, helping you build trust while protecting conversion and cost efficiency.

Start for Free

Talk to Sales

SOC 2 Type II

ISO 27001

GDPR-ready

Built in Europe

95%

Succesful verifications. SMS pumping fraud out. Delivery in.

95%

Succesful verifications. SMS pumping fraud out. Delivery in.

99%

Fraud reduction (Bots, Fake Account, Scammers, Scalpers).

99%

Fraud reduction (Bots, Fake Account, Scammers, Scalpers).

30%

Cost reduction based on previous providers.

30%

Cost reduction based on previous providers.

230

Regions supported with 30+ Providers and 7 Channels

230

Regions supported with 30+ Providers and 7 Channels

Signals in. Decision out.

Build trust at every stage of the user lifecycle. Powered by network and device signals. Grill the fraud at the hardware level

1. Acquisition

User Verification

Onboard real users. Device, network, and carrier signals block fraud before it hits your bill.

SMS Pumping Protection

Omni-Channel

Worldwide

1. Acquisition

User Verification

Onboard real users. Device, network, and carrier signals block fraud before it hits your bill.

SMS Pumping Protection

Omni-Channel

Worldwide

3. Lifetime Value

Live Protection

Monitor live behavioral signals to detect abuse, trigger smarter checks, and stop fraud without adding friction.

Anomaly Detection

Real-Time Scoring

Soft KYC

3. Lifetime Value

Live Protection

Monitor live behavioral signals to detect abuse, trigger smarter checks, and stop fraud without adding friction.

Anomaly Detection

Real-Time Scoring

Soft KYC

2. Activation

Authentication

Keep sessions trusted with device binding, behavioral monitoring, and risk-based verification.

Device Binding

Behavioral Signals

Risk-Based Step-Up

2. Activation

Authentication

Keep sessions trusted with device binding, behavioral monitoring, and risk-based verification.

Device Binding

Behavioral Signals

Risk-Based Step-Up

4. Retention

Reactivation

Win back dropped users. Reach them on the right channel at the right time, for the lowest delivery cost.

Smart Routing

Channel Fallback

Delivery Insights

4. Retention

Reactivation

Win back dropped users. Reach them on the right channel at the right time, for the lowest delivery cost.

Smart Routing

Channel Fallback

Delivery Insights

Holistic Suite

Five products, one platform, built to work together.

Verify

OTP verification across SMS, WhatsApp, RCS, Voice, and Email. 230+ regions, 95% success.

Watch

Pre-KYC risk scoring that blocks fake signups before they cost you.

Auth

Full authentication stack with persistent trust. Signup, login, social, password in one API.

Intel

Number intelligence. Check reachability, line type, and portability before you send.

Notify

Reliable transactional messaging on the same rails as Verify.

now

Aspora

Your transaction of INR 25710.00 with ref AB123CD4B567 is credited to the beneficiary.

uses

Watch

and

block

to

90%

of

bots

and

fake

accounts

in

high-risk

countries.

Verify

Consumer app

Fintech

Mobility

Dating

B2B software

All stories →

Familiar Endpoint Structure

Update calls without rewriting your logic.

Familiar Endpoint Structure

Update calls without rewriting your logic.

Intuitive Dashboard

Access OTP routing, message text, and delivery insights.

Zero-Cost Testing Options

Test numbers or free credits.

Premium Support

Direct Slack connection to the team to help get started.

Quick integration example

Node.js

Pyhton

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);

Get Started

Quick integration example

Node.js

Pyhton

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);

Get Started

Pricing that drops as you grow.

Plans for every stage, from early startups to apps with hundreds of millions of weekly active users.

See Pricing

SOC 2 Type II

ISO 27001

GDPR-ready

Built in Europe

GSMA member

Run every onboarding decision on one stack.

Convert real users. Block fake ones.

Start for Free

Talk to Sales