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Email Webhooks

Get automatically notified when any email deliverability event happens on SendPost - processed, delivered, dropped, opened, clicked, hard-bounced, soft-bounced, spam etc. Integrate the data with your application easily.

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Dead Simple Webhooks

Parse & process our webhook callbacks with ease. Email event information alongwith the email message for which event occurred is sent back. Super simple to integrate this data with your custom application or CRM.

Correlate Data Smartly

You can pass custom headers while sending emails using our Email Send API call. These headers are returned back in webhook call. They can be used to co-relate data in your application - what event happened when to whom for which campaign. Especially useful if you are building a webapp with email integrated in it or are an ESP.

Retry for 24 hours

In case of failure, we retry sending webhooks once every hour for next 24 hours. You dont have to worry about losing data due to failure in webhoook processing. Also we retain event log data for 90 days and more.

Measure with Ease

You can create multiple webhook endpoints for specific event processing. You can also pass the same email event to multiple applications or endpoints of yours.

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Email Webhooks that Never Fail

Get automated webhook callbacks when an email event occurs on SendPost. Integrate this data this with your application by sending custom headers. In case of failure, we retry for 24 times in next 24 hours so that you never ever lose any customer data.
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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
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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