Guides
Last updated
March 10, 2025

Top 5 NeverBounce Alternatives in 2025

Nicolas Rios

Table of Contents:

Get your free
Phone Validation
API key now
4.8 from 1,863 votes
See why the best developers build on Abstract
START FOR FREE
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
No credit card required

NeverBounce is a real-time email verification service designed to ensure the accuracy of customer data. While it offers robust features, it might not be the ideal solution for everyone.

This article will explore five alternatives to NeverBounce, providing options that cater to different needs and preferences. Whether you're looking for a more budget-friendly option or a service with unique features, these alternatives might be worth considering.

Best Alternatives to NeverBounce in 2025

1) Abstract API

Abstract API

At Abstract API, we offer a comprehensive Email Validation API designed to ensure the accuracy and reliability of your email lists. Our service performs real-time validation, including syntax checks, MX and SMTP verification, and detection of disposable emails. With global coverage and high scalability, our API helps improve email delivery rates and maintain clean email lists.

API Features

  • Real-time MX & SMTP check: Our API performs real-time MX and SMTP verification to ensure the deliverability of email addresses.
  • Typo checking and smart suggestion: Detects common typos and provides smart suggestions to correct them.
  • Disposable email detection: Screens against over 3,000 disposable email domains to filter out temporary addresses.
  • Privacy friendly: Compliant with GDPR and CCPA, ensuring user data is handled with the highest privacy standards.
  • Toxic domain detection: Identifies and flags domains known for spam or malicious activity.
  • Role-based email detection: Flags role-based emails like sales@ or info@ to assess email quality.
  • Catch-all server detection: Detects catch-all servers to understand where emails are being directed.
  • Syntax validation: Includes robust syntax validation to handle thousands of edge cases.

These are just a few of Abstract API's many features. Check them out here to learn more.

Abstract API Pricing

  • Starter Plan - $19/month: Includes 10,000 API calls per month and allows up to 3 requests per second. Domain whitelisting is also available.
  • Basic Plan - $39/month: Offers 25,000 API calls per month with a limit of 5 requests per second. Domain whitelisting is included.
  • Standard Plan - $69/month: Provides 50,000 API calls per month and supports up to 10 requests per second. This plan also includes domain whitelisting and multiple API keys.
  • Business Plan - $99/month: Grants 100,000 API calls per month with a capacity of 25 requests per second. Features include domain whitelisting and multiple API keys.
  • Professional Plan - $199/month: Allows for 250,000 API calls per month and up to 50 requests per second. Domain whitelisting and multiple API keys are part of this plan.
  • Growth Plan - $499/month: Offers 750,000 API calls per month and supports 100 requests per second. This plan includes domain whitelisting and multiple API keys.

If you would like a plan based on your specific needs, please contact us for a custom solution.

What Are Users Saying?

Abstract API has garnered positive feedback for its efficiency and ease of use. Users appreciate the platform's ability to streamline processes and improve data accuracy.

Here are a couple of testimonials from satisfied users:

  • "Accurate email verification, I tested a different amount of times." - Isa M.
  • "It gives quality score and deliverability of the email which reduces bounce rate for my emails. We can also do email validation in bulk by passing a list of email." - Verified User in Retail

Try Out Our API

Let’s send your first free
Phone Validation API
call
See why the best developers build on Abstract
Get your free api
Enter an IP address to start
Need inspiration? Try
73.162.0.1
VALIDATE
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Checking
5
Results for
ip address
Country:
TEST
Region:
TEST
City:
TEST
Coordinates:
TEST
Zip code:
TEST
Connection:
TEST
Get free credits, more data, and faster results
Let’s send your first free
Email Validation API
call
See why the best developers build on Abstract
Get your free api

2) Precisely Email Verification

Precisely Email Verification

Precisely Email Verification ensures the accuracy and validity of email addresses by cross-referencing them with a comprehensive database, reducing bounce rates and improving email deliverability.

API Features

  • Real-Time Verification: Instantly checks the validity of email addresses as they are entered, ensuring immediate feedback.
  • Syntax and Domain Check: Verifies the format and domain of email addresses to ensure they conform to standard email protocols.
  • Disposable Email Detection: Identifies and flags temporary or disposable email addresses to maintain the quality of your email list.

Precisely Email Verification Pricing

Basic Plan: Offers limited access to email verification services with a cap on the number of verifications per month.

Standard Plan: Provides a higher limit on email verifications and includes additional features such as syntax and domain checks.

Premium Plan: Includes all features of the Standard Plan with an even higher verification limit and priority support.

Enterprise Plan: Customizable plan tailored to large organizations with specific needs and requirements. Contact support for more details.

Precisely Email Verification's pricing is not public. Contact their support for more info.

3) SEON Email Verification API

SEON Email Verification API

SEON Email Verification API verifies the validity and deliverability of email addresses using a fast SMTP-MX check, ensuring that your email list remains clean and effective.

API Features

  • Fast SMTP-MX Check: The API quickly verifies whether an email address is valid and deliverable using an SMTP-MX check.
  • Case-Sensitive API Requests: All API requests are case-sensitive, requiring precise formatting to avoid errors.
  • US Transaction Processing Environment Endpoint: A specific endpoint is provided for users operating within the US Transaction Processing Environment.

SEON Email Verification API Pricing

  • Basic Plan: Limited access to email verification services with a cap on the number of verifications per month.
  • Standard Plan: Higher limit on email verifications and includes additional features such as syntax and domain checks.
  • Premium Plan: All features of the Standard Plan with an even higher verification limit and priority support.
  • Enterprise Plan: Customizable plan tailored to large organizations with specific needs and requirements. Contact support for more details.
  • SEON Email Verification API's pricing is not public. Contact their support for more info.

4) Sendgrid Email Address Validation API

Sendgrid Email Address Validation API

Sendgrid Email Address Validation API helps improve email deliverability by validating email addresses before sending. It uses real-time detection to suppress invalid email addresses, reducing bounce rates and enhancing performance with mailbox providers.

API Features

  • Real-Time Detection: Validates email addresses instantly to ensure only valid addresses are added to your mailing list, reducing bounce rates.
  • Machine Learning Models: Utilizes data from billions of emails to improve email address validity scoring and deliverability.
  • Spam-Free Tactics: Avoids using spammer-affiliated methods like the broken SMTP-handshake, maintaining trust with mailbox providers.

Sendgrid Email Address Validation API Pricing

  • Free: $0/month. Send 100 emails/day for free with 2,500 free email address validations included.
  • Essentials: Starting at $19.95/month. Send 50,000 - 100,000 emails/month with 5,000 free email address validations included.
  • Pro: Starting at $89.95/month. Send 100,000 - 2,500,000 emails/month with 5,000 free email address validations included.
  • Premier: Custom pricing. Customize your plan for exactly what you need; contact sales for custom, high volume pricing.

5) ZeroBounce

ZeroBounce

ZeroBounce offers a comprehensive suite of email validation services, including real-time email validation, email activity data, and email scoring, designed to help businesses maintain clean email lists and improve email marketing ROI.

API Features

  • 99% Accuracy Guarantee: ZeroBounce ensures a high level of accuracy in email validation, backed by a money-back guarantee.
  • Advanced API Security: Utilizes military-grade data encryption to protect sensitive information during the email validation process.
  • Custom Allowlists and Blocklists: Allows users to tailor email validation rules to meet specific needs, enhancing the flexibility and effectiveness of the service.

ZeroBounce Pricing

  • Pay as You Go: Starts at $20 USD for validating 2,000 email addresses. Minimum purchase required, and credits can be added as needed.
  • Subscriptions: Starts at $18 USD per month. Offers up to 18% savings depending on the number of emails to be validated, with unused credits rolling over each month.
  • Included with all ZeroBounce Accounts: Credits never expire, unknown results are free, and detailed status codes are provided. Additional features include inbox placement tests, volume pricing, and 24/7 customer support.
  • General Conditions: One credit is used per email address for services like email validation, AI Scoring, and Activity Data. Email Finder uses 20 credits per successful query.
  • Additional Services: Credits are required for services like Activity Data and AI Scoring. Email Finder has specific rules for credit consumption, including zero credits for certain conditions like spam traps or disposable domains.

What to Consider When Selecting a NeverBounce Alternative?

  1. Real-Time Verification: Ensures that email addresses are validated instantly as they are entered, reducing bounce rates and improving deliverability.
  2. Accuracy and Reliability: Look for services that guarantee high accuracy rates, such as ZeroBounce's 99% accuracy guarantee, to ensure the quality of your email list.
  3. Security and Compliance: Choose a service that complies with privacy regulations like GDPR and CCPA, and offers robust data encryption to protect sensitive information.
  4. Integration Capabilities: Ensure the service can easily integrate with your existing platforms and tools, such as Salesforce, AWS, and Zapier, for seamless operations.
  5. Pricing and Scalability: Consider flexible pricing plans that fit your budget and the ability to scale as your email verification needs grow, including options for bulk operations and custom plans.

Which One Should You Go With?

Each of the email verification services discussed offers unique features and benefits, making any of them a solid choice for maintaining a clean and effective email list. However, if you're looking for a comprehensive solution that combines real-time verification, robust security, and seamless integration, we recommend Abstract API.

With its user-friendly interface, privacy compliance, and exceptional customer support, Abstract API stands out as a reliable alternative. Sign up today to experience the benefits of a top-tier email validation service.

Nicolas Rios

Head of Product at Abstract API

Get your free
Phone Validation
key now
See why the best developers build on Abstract
get started for free
Get your free
IP Geolocation
key now
See why the best developers build on Abstract
get started for free
Get your free
Email Validation
key now
See why the best developers build on Abstract
get started for free

Related Articles

Get your free
Phone Validation
key now
4.8 from 1,863 votes
See why the best developers build on Abstract
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
No credit card required
Get your free
IP Geolocation
key now
4.8 from 1,863 votes
See why the best developers build on Abstract
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
No credit card required
Get your free
Email Validation
key now
4.8 from 1,863 votes
See why the best developers build on Abstract
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
No credit card required