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Feature

Email Validation

Protect your email inboxing from bad or invalid emails using our validation API or bulk validation service. We clean your email list of hard bounced emails, spam traps, disposable emails, email typos and honeypot emails.

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validation-api

Safeguard Inboxing

Ensuring your email list is clean will improve your inbox placement and email deliverability. This will improve engagement metrics (opens & clicks) and drive more revenue for your business.

Fast Email Validation

Leverage our Validation API to get results in seconds or do bulk validation of tens of thousands of emails using 1-click CSV upload and get results in minutes. Our Validation API is hot damn fast.

Protect from Abuse

Our validation API takes care of super sneaky scammers / phishers and prevents bot attacks. Allow only legit users do a signup or submit your forms.

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Validate with Accuracy

We have sent billions of emails so far. We know what's deliverable and what is not. Our proprietary validation process takes care of MX verification, disposable email address, email typos, spam traps, honey pot addresses and more.
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Everything you need

All-in-one platform

Simple email sending & validation API, powerful analytics, smart alerting system and power deliverability optimisation tools make SendPost standout as the most forward thinking email API service.

Email API & SMTP Relay
We have API SDKs present in over 14+ programming languages - Java, PHP, NodeJS, Ruby, Python etc. You can also connect us in old fashioned way using SMTP relay. Email API Feature Arrow
Sub-Accounts & Groups
Segregate your email sending for products, customers or email types using Sub-Accounts. Get detailed analytics for specific email types using groups. Email API Feature Arrow
Sub-Account & IP Stats
Know your deliverability, bounce, open and click rate at both sub-account and IP level. We show stats for aggregated SMTP errors and your inboxing on major ISPs - gmail, yahoo, outlook, aol etc. Email API Feature Arrow
Event Logging
Debug any deliverability issue based on a sub-account or IP by SMTP code, description, recipient, sender and more. 90 day log retention and super fast search. Email API Feature Arrow
Dedicated & Shared IPs
If you are getting started you can use our shared IP pools for email sending. For big senders, manage your own dedicated and shared IP pools. Email API Feature Arrow
Validation API
Clean your list by removing hard bounce, spam traps, invalid emails, email typos, honey pot email addresses and more. Email API Feature Arrow
Alerts & Notification
Setup automated alerts and notification through slack & email when specific sub-account or IP deliverability suffers or your hard bounce has increased. Email API Feature Arrow
Rate limiting, Throttling & Routing
For power users, you can control speed of email sending and throttling at an IP. You can also route emails from an IP Pool based on specific rules. Email API Feature Arrow
Webhooks
Get automatically notified on various email events. Process this data or integrate with your own application. Email API Feature Arrow
Deliverability CRM
Automated incident creation when your domain gets blacklisted, deliverability decreases or bounce percentage changes. Email API Feature Arrow

Trusted by developers, businesses and ESPs

Companies of all sizes are using SendPost to reliably deliver emails.
413+ Million Emails Sent
24/7 Support
99.23% Average Deliverability
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