Software Alternatives, Accelerators & Startups

NoParam VS Doppler Relay

Compare NoParam VS Doppler Relay and see what are their differences

NoParam logo NoParam

Validate emails in real time with our accurate bulk email validation API. Try our free email checker to reduce bounces and keep your email lists clean.

Doppler Relay logo Doppler Relay

Doppler Relay guarantees the arrival of the Emails and allows to access detailed analytics in real time.
  • NoParam Real-Time Email Validation API
    Real-Time Email Validation API //
    2025-03-16

NoParam is a powerful email validation API designed to help businesses improve email deliverability, reduce bounce rates, and prevent fake signups. Whether you are running an email marketing campaign, managing a CRM, or protecting user registrations, NoParam ensures your email lists stay clean and verified.

Why Choose NoParam?

  • Real-Time Email Verification โ€“ Instantly check if an email address is valid and deliverable.
  • Privacy-Focused โ€“ No data is stored or shared, ensuring compliance with GDPR and other regulations.
  • Fast & Scalable โ€“ Designed for speed, NoParam handles thousands of requests per second.
  • Easy Integration โ€“ Use a simple REST API with platforms like Mailchimp, HubSpot, WordPress, and more.
  • Accurate Results โ€“ Advanced verification techniques detect invalid, temporary, or risky email addresses.

How It Works

Send a request to our API with your API key Get a response with detailed validation results, including deliverability, risk score, and SMTP status. Use the insights to filter out invalid emails and protect your platform.

Start for Free

NoParam offers a free plan with 50 verifications per month. Upgrade to a paid plan for higher limits and advanced features.

Not present

NoParam

$ Details
freemium $29.0 / Monthly (5000 email verifications)
Release Date
2025 March

Category Popularity

0-100% (relative to NoParam and Doppler Relay)
Email Marketing
74 74%
26% 26
Email Verification
100 100%
0% 0
Email Marketing Platforms
Email
100 100%
0% 0

Questions and Answers

As answered by people managing NoParam and Doppler Relay.

What makes your product unique?

NoParam's answer

Unlike many email validation services that store or resell data, NoParam does not store, log, or share any email validation results. This ensures compliance with GDPR and other privacy regulations.

Why should a person choose your product over its competitors?

NoParam's answer

NoParam.com stands out from its competitors by offering a fast, accurate, and privacy-focused email validation service. Unlike many alternatives, NoParam does not store or resell data, ensuring compliance with privacy regulations. It features transparent pricing with no hidden fees, a developer-friendly REST API for easy integration, and a highly scalable infrastructure capable of handling thousands of requests per second with low latency. Instead of bundling unnecessary features, NoParam focuses solely on delivering high-quality email validation.

How would you describe your primary audience?

NoParam's answer

The primary audience for NoParam includes businesses, developers, and marketers who rely on email communication. SaaS companies use it to validate user signups, email marketers clean their lists to improve deliverability, and e-commerce stores prevent fake or mistyped emails at checkout. CRM and sales teams benefit from keeping their lead databases clean, while WordPress users integrate NoParam to validate emails submitted through contact forms, comments, and user registrations.

What's the story behind your product?

NoParam's answer

The idea behind NoParam was born out of frustration with existing email validation services that were either too expensive, slow, or invasive regarding data privacy. Recognizing the need for a simple, reliable, and privacy-focused email validation API, NoParam was built to give businesses a trustworthy alternative without concerns over data exploitation.

Which are the primary technologies used for building your product?

NoParam's answer

NoParam is built using modern, scalable technologies. The frontend is developed with Next.js (React), while the backend runs on Hono (Node.js) with PostgreSQL as the database. Authentication is handled by Clerk, payments are processed through Stripe, and security measures, including rate limiting, are implemented using Arcjet. Email delivery is powered by Resend.

Who are some of the biggest customers of your product?

NoParam's answer

NoParam is built to serve businesses that rely on accurate email validation, including SaaS companies, email marketing agencies, e-commerce platforms, and CRM providers. While we are still in the early stages, our goal is to help businesses of all sizes improve their email deliverability and protect their platforms from fake or invalid signups. As NoParam launches and grows, we look forward to supporting companies that prioritize privacy, efficiency, and reliability in their email validation processes.

User comments

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What are some alternatives?

When comparing NoParam and Doppler Relay, you can also consider the following products

ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.

Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

DeBounce - Email Validation, Email Checker, Data Enrichment and Appending Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.

Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.

NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.

Mandrill - Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.