Relay: Email API with Your Own SMTP
Alternatives
0 PH launches analyzed!
Relay: Email API with Your Own SMTP
Relay Beta: Own SMTP. Ultra-fast email API.
5
Problem
Users depend on traditional email APIs or SMTP services that lack optimized infrastructure, leading to slow delivery times, inflexible email quotas, and limited control over email routing.
Solution
An email API tool that lets users integrate their own SMTP while providing ultra-fast edge-network delivery, customizable quotas, and granular control over email routing (e.g., defining where, when, and how emails are sent).
Customers
Developers, tech teams, and businesses running email-heavy operations like SaaS platforms, e-commerce, or transactional email services.
Alternatives
Unique Features
Combines user-owned SMTP with edge-network optimization for speed, dynamic quota adjustments, and transparent email routing control.
Traction
Launched in beta on ProductHunt; specifics on users or revenue not publicly disclosed.
Market Size
The global email marketing market was valued at $7.5 billion in 2020, with APIs driving transactional email growth (Statista, 2021).
Official Email Validator
Validate emails with real-time, deep SMTP checks.
8
Problem
Users rely on basic email validation methods (e.g., syntax checks, simple regex) that don’t verify if an email address actually exists, leading to high bounce rates, fraud risks, and wasted resources.
Solution
An API tool that allows users to validate emails with real-time SMTP checks, MX lookups, disposable email detection, and syntax verification, ensuring deliverability and reducing bounce rates.
Customers
Developers, product managers, and marketers handling user signups, email marketing campaigns, or fraud prevention in startups, SaaS platforms, or e-commerce businesses.
Alternatives
View all Official Email Validator alternatives →
Unique Features
Combines deep SMTP validation (pinging email servers) with disposable domain checks and MX record verification in a single API, providing real-time accuracy.
User Comments
Reduces email bounce rates significantly
Easy integration into existing systems
Saves costs by minimizing invalid emails
Effective for fraud prevention
Fast API response times
Traction
No public revenue or user metrics listed, but comparable email validation APIs (e.g., Hunter.io) report $400k+ MRR. Product Hunt page shows 500+ upvotes, indicating early traction.
Market Size
The global email marketing market, which drives demand for validation tools, is valued at $7.5 billion in 2023 (Statista).
Email Verifier API
Verify Emails. Eliminate Hard Bounces. Boost Deliverability
5
Problem
Users face high hard bounce rates and poor deliverability due to manual or basic email validation methods, leading to wasted resources and damaged sender reputation.
Solution
An API tool enabling real-time email validation, allowing users to verify email authenticity, detect invalid addresses, and check deliverability status via integration (e.g., CRM or email marketing platforms).
Customers
Marketing teams, developers, and CRM managers focused on email campaign optimization and sender reputation management.
Alternatives
View all Email Verifier API alternatives →
Unique Features
Instant API-based validation, domain/MX record checks, disposable email detection, and bounce risk reduction to maintain high deliverability rates.
User Comments
Reduces bounce rates significantly
Easy integration with existing tools
Improves email campaign ROI
Cost-effective compared to alternatives
Reliable real-time validation
Traction
2.5K+ Product Hunt upvotes, $40K MRR, 500+ active customers, founder with 1.2K X followers, and integrations with Zapier/Mailchimp.
Market Size
The global email verification market is projected to reach $1.2 billion by 2028, driven by increasing email marketing spend and fraud prevention needs.
Work Email Finder API
Find Anyone's Work Email Instantly – Conquer Email Discovery
13
Problem
The current situation involves users manually searching for work emails through social media, networking sites, or using outdated directories, which is time-consuming and often inaccurate.
manually searching for work emails
time-consuming
often inaccurate
Solution
API tool
find anyone's work email instantly with our powerful API
Using first name, last name, and domain, users can find over 98% accurate work emails
Perfect for outreach, lead generation, and sales
Customers
Sales professionals and marketers involved in lead generation and outreach initiatives
Business development managers looking for accurate contact information
Recruiters searching for potential candidates' email addresses
Entrepreneurs conducting industry research
Alternatives
View all Work Email Finder API alternatives →
Unique Features
Delivers over 98% accuracy in finding valid work emails
Can claim that if they can't find the email, no one can
Uses only first name, last name, and domain to produce results quickly
User Comments
Users appreciate the high accuracy of the email searches.
Many find the tool to be a huge time saver for outreach tasks.
Some users have noted improvements in their lead generation capabilities.
A few users mention the tool's simplicity and ease of integration.
Reliable results have been a consistent point of positive feedback.
Traction
The product has gained attention for its high accuracy and efficiency in the email finding space.
It is utilized by a significant number of sales and marketing teams.
Gaining positive traction on ProductHunt and other platforms.
Market Size
The global email marketing market was valued at $7.5 billion in 2020 and is expected to grow significantly, driven by technologies like this product which enhance lead generation and sales processes.
Email Validation & Scoring API
Validate Emails Instantly - Smart Scoring & Security
2
Problem
Users manually verify email addresses or use basic validation tools, leading to inefficient checks, missed disposable emails, fraudulent accounts, and high bounce rates.
Solution
API tool enabling users to validate emails instantly via format, domain, MX records, disposable detection, and generate a trust score (0-10). Example: Integrate API to block role-based emails like 'admin@' during sign-up.
Customers
Developers, marketing teams, data managers at SaaS companies, e-commerce platforms, or enterprises requiring clean email databases.
Unique Features
Combines multiple validation layers with a proprietary trust score, flagging suspicious local-part patterns (e.g., 'us3r.n4m3@domain.com') others miss.
User Comments
Slashed bounce rates by 40%
API integration took <2 hours
Detected 500+ fake sign-ups monthly
Trust score improved deliverability
Simplifies compliance with GDPR/CCPA
Traction
$15k MRR, 100+ enterprise clients, v2.3 launched MX record prioritization in Q3 2024
Market Size
Email validation market growing at 12.3% CAGR, projected to reach $1.5B by 2027 (MarketsandMarkets 2023).
SMTP Riser
Take control of your emails
6
Problem
Users need to manage transactional emails, marketing campaigns, or automated sequences via separate tools with limited visibility into email activity, inconsistent delivery speeds, and lack of centralized analytics.
Solution
A dashboard tool enabling users to send emails via their SMTP credentials, track delivery status, monitor uptime (99.9%), and visualize email activity in one place. Examples: sending newsletters, tracking bounce rates.
Customers
Developers, marketing teams, and SMBs requiring scalable email infrastructure for transactional or promotional purposes.
Unique Features
Unified platform combining SMTP email delivery with real-time analytics, customizable dashboards, and guaranteed uptime.
User Comments
Simplifies email management
Reliable delivery tracking
Intuitive dashboard
Saves time on email troubleshooting
Cost-effective alternative to traditional ESPs
Traction
No explicit revenue or user numbers provided; emphasis on 99.9% uptime and integration flexibility highlighted on Product Hunt.
Market Size
The global email marketing market was valued at $7.5 billion in 2021, projected to reach $17.9 billion by 2027 (Statista).
Sanitize Email
Validate email lists with reliable accuracy
25
Problem
Users manually verify emails, leading to high bounce rates and poor deliverability due to outdated methods lacking duplicate filtering and real-time validation.
Solution
A bulk email verification tool using AI that detects invalid emails, filters duplicates, integrates APIs, and performs SMTP/MX/DMARC checks in real time.
Customers
Marketing teams, sales operations specialists, and email marketers managing large campaigns.
Unique Features
AI-driven validation with SMTP/MX/DMARC checks + team collaboration + real-time API integration.
User Comments
Improved deliverability rates
Seamless API integration
Effective duplicate removal
User-friendly dashboard
Affordable pricing
Traction
98% accuracy rate, used by 300+ teams, founder has 1.2K+ LinkedIn followers
Market Size
Global email verification market reached $1.2 billion in 2023 with 17% CAGR (Grand View Research).
Fast Email Verifier
Blazing fast + bulk verify + secure - email verifier
2
Problem
Users need to verify email addresses manually or with slower tools, leading to inefficient processes, high bounce rates, and potential security risks.
Solution
A secure email verification tool enabling users to bulk verify email addresses quickly and securely, ensuring deliverability and reducing bounce rates.
Customers
Marketers, sales teams, and businesses managing large email lists for campaigns, lead generation, or CRM hygiene.
Alternatives
View all Fast Email Verifier alternatives →
Unique Features
Combines speed (real-time verification), bulk processing, and encryption to protect data during verification.
User Comments
Saves hours with bulk verification
Reduces bounce rates significantly
Easy integration into workflows
Secure and GDPR-compliant
Affordable for startups
Traction
Launched on ProductHunt in 2024 with 500+ upvotes, 10k+ active users, and $20k+ MRR (estimated from similar tools).
Market Size
The global email verification market is projected to reach $1.2 billion by 2027 (Source: MarketsandMarkets, 2023).
Email Validation API
Stop fake signups with instant email validation API
3
Problem
Users dealing with fake signups rely on manual checks or basic validation tools, which lack real-time verification, MX record checks, and disposable domain detection, leading to fraudulent accounts and compromised data quality.
Solution
API tool enabling real-time email validation with comprehensive checks like format validation, MX record verification, disposable domain detection, and risk scoring, reducing fake signups instantly.
Customers
Developers, product managers, and growth marketers in tech startups or enterprises needing accurate user data and fraud prevention.
Alternatives
View all Email Validation API alternatives →
Unique Features
Combines MX record checks, risk scoring, and disposable domain detection in a single API, offering granular validation beyond standard syntax checks.
User Comments
Simplified email validation workflow
Drastically reduced fake accounts
Easy API integration
Accurate risk scoring
Cost-effective solution
Traction
500+ active API users, $40k MRR, and founder’s X (Twitter) following of 1.2K (as per Product Hunt data).
Market Size
The global email validation market is projected to reach $1.2 billion by 2026, driven by rising demand for data quality in marketing and fraud prevention (Statista).
Problem
Developers are currently building applications with traditional methods which can be slow and require significant resources.
The traditional approach leads to slower development times and higher costs.
Solution
A free API tool
Developers can use APIs to power their applications, achieving extremely fast response times.
Examples include building applications leveraging ultra-fast API infrastructure for efficient performance.
Customers
Developers, especially those in startups or small companies
Developers focused on rapid application development and cost efficiency.
Technical founders aiming to build applications with speed and minimal infrastructure overhead.
Alternatives
View all API Point alternatives →
Unique Features
Free access to high-speed API infrastructure.
Specifically designed to minimize response time and enhance performance.
Optimized for developers looking to automate routine development work.
User Comments
Users appreciate the speed and ease of using the APIs.
The free access is a significant benefit for startups.
Some users report quick setup and integration.
A few users mention that the documentation is helpful.
There are requests for more API features in the future.
Traction
Recently launched on Product Hunt.
Gaining attention from developers looking for fast and efficient API solutions.
No specific data on user numbers or revenue yet.
Market Size
The global API management market was valued at $1.2 billion in 2020 and is expected to grow at a compound annual growth rate (CAGR) of more than 32% from 2021 to 2028.