Alternatives to Sinch
Sinch
A global cloud communications platform that enables businesses to programmatically send messages, calls and emails and perform user verification at scale.
Custom
visit website
You can find a list of tools similar in features and functionality to Sinch below.
These tools are popular under Transactional Emails. We included a brief overview of their pricing, but the best way to compare between them is to visit their websites.
Clearout
An AI-driven service that locates and verifies business contact details, prevents fake form submissions, and improves deliverability and lead quality.
Free
visit website
Email Hippo
Provides real-time API and bulk-list tools to validate addresses, improve deliverability, and block fraudulent sign-ups.
Free
visit website
Emailable
API-driven service that validates and cleans mailing lists, offering bulk checks, a real-time widget, and deliverability insights to improve sender reputation.
Free
visit website
EmailConnect
Converts incoming mail into structured JSON delivered to webhook endpoints with per-alias pipelines and EU-only hosting.
Free
visit website
EmailLabs
A cloud-hosted email delivery platform that provides SMTP and API access to improve inbox placement, sending speed and message observability for developers and marketers.
Free
visit website
Formspree
A hosted backend and API that captures submissions from HTML and JavaScript frontends and delivers them to email, an inbox, or third-party services.
Custom
visit website
IPQualityScore
A real-time fraud prevention platform offering APIs to detect proxy/VPN/TOR usage, identify automated and malicious traffic, and validate emails and phone numbers.
Free
visit website
Mailgun
Powerful APIs that enable you to send, receive, and track email effortlessly
Free
visit website
Mailtrap
A developer-focused platform offering SMTP and RESTful APIs plus sandbox tooling to send, test, and monitor emails reliably across staging and production.
Free
visit website
Medium (Emad Ibrahim)
An open-source, self-hosted mail API that mirrors a popular transactional email interface and leverages Amazon SES so developers can run deliveries affordably on their own infrastructure.
Custom
visit website
Resend
A developer-first API platform for reliably delivering transactional and marketing messages with built-in tooling to maximize inbox placement and integration speed.
Free
visit website
Scaleway
Scaleway TEM provides a European-hosted platform to reliably deliver critical automated messages with strong deliverability and scalable infrastructure.
Paid; Paid from €4.99/mo
visit website
Twilio
A cloud platform that provides programmable messaging, voice, and email APIs plus customer data and AI tools to build and scale customer engagement.
Free
visit website
UseBouncer
A secure SaaS platform and API that validates and cleans email lists, protects sign-up forms, and helps improve deliverability and campaign ROI.
Free
visit website
Verifalia
A real-time service and API that validates email formatting, domain records and mailbox deliverability without sending test messages.
Free
visit website
Not all tools offer the same features. If you're looking for a particular feature, most tools offer a free trial that you can run to see if they're a good fit.
If you're not entirely sure what you're looking for, it might be a good idea to browse through all the tools listed under the Transactional Emails page.
The Postmake directory also contains tools that are generally categorized under the same category as Sinch.
Amazon SES
Get reliable, scalable email to communicate with customers at the lowest industry prices
Clearout
An AI-driven service that locates and verifies business contact details, prevents fake form submissions, and improves deliverability and lead quality.
Free
visit website
Email Hippo
Provides real-time API and bulk-list tools to validate addresses, improve deliverability, and block fraudulent sign-ups.
Free
visit website
Emailable
API-driven service that validates and cleans mailing lists, offering bulk checks, a real-time widget, and deliverability insights to improve sender reputation.
Free
visit website
EmailConnect
Converts incoming mail into structured JSON delivered to webhook endpoints with per-alias pipelines and EU-only hosting.
Free
visit website
EmailLabs
A cloud-hosted email delivery platform that provides SMTP and API access to improve inbox placement, sending speed and message observability for developers and marketers.
Free
visit website
Formspree
A hosted backend and API that captures submissions from HTML and JavaScript frontends and delivers them to email, an inbox, or third-party services.
Custom
visit website
IPQualityScore
A real-time fraud prevention platform offering APIs to detect proxy/VPN/TOR usage, identify automated and malicious traffic, and validate emails and phone numbers.
Free
visit website
Lettermint
An EU-hosted email delivery platform that provides secure, GDPR-aligned delivery for transactional and broadcast messages with developer-friendly integrations.
Free
visit website
MailerCheck
Cleans and verifies subscriber addresses, simulates inbox placement across major providers, and monitors domain reputation to help improve campaign reach and ROI.
Free
visit website
MailerSend
Start sending emails with our top-rated service.
Free
visit website
Mailgun
Powerful APIs that enable you to send, receive, and track email effortlessly
Free
visit website
Mailtrap
A developer-focused platform offering SMTP and RESTful APIs plus sandbox tooling to send, test, and monitor emails reliably across staging and production.
Free
visit website
Mandrill
Mandrill is a transactional email service by Mailchimp designed for sending personalized, event-driven messages at scale.
Paid; Paid from $10/mo
visit website
Medium (Emad Ibrahim)
An open-source, self-hosted mail API that mirrors a popular transactional email interface and leverages Amazon SES so developers can run deliveries affordably on their own infrastructure.
Custom
visit website
Postmark
Fast, reliable email delivery service.
Paid; Paid from $15/mo
visit website
Postmark
Postmark is a fast and reliable email delivery service designed for developers to send transactional and marketing emails efficiently.
Paid; Paid from $15/mo
visit website
Resend
A developer-first API platform for reliably delivering transactional and marketing messages with built-in tooling to maximize inbox placement and integration speed.
Free
visit website
Scaleway
Scaleway TEM provides a European-hosted platform to reliably deliver critical automated messages with strong deliverability and scalable infrastructure.
Paid; Paid from €4.99/mo
visit website
smtp
SMTP.com offers a powerful and reliable email relay service designed for transactional emails and API integration.
Paid; Paid from $25/mo
visit website
smtp2go
SMTP2GO is a reliable and scalable email delivery service designed to ensure your emails reach their destination without issues.
Paid from $10/mo
visit website
SocketLabs
SocketLabs provides comprehensive email delivery and performance management solutions.
Paid
visit website
Sparkpost
Plan, execute, and optimize your email programs with the industry’s most trusted email sending and deliverability platform.
Free; Paid from $20/mo
visit website
Twilio
A cloud platform that provides programmable messaging, voice, and email APIs plus customer data and AI tools to build and scale customer engagement.
Free
visit website
UseBouncer
A secure SaaS platform and API that validates and cleans email lists, protects sign-up forms, and helps improve deliverability and campaign ROI.
Free
visit website
Verifalia
A real-time service and API that validates email formatting, domain records and mailbox deliverability without sending test messages.
Free
visit website
Want to see more tools? The Postmake directory contains hundreds of tools and resources broken down by different categories. Check out any of the Development tools below!
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