Mailsius

Email Webhook API for
Modern Developers

Convert any email address into a powerful HTTP webhook endpoint. Get structured JSON payloads, reliable delivery, and a built-in inbox โ€” ready in minutes.

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No credit card required ยท 500 webhooks free

How Email Webhooks Work

1

Email Arrives

Someone sends an email to your assigned Mailsius address.

2

Parse & Structure

Mailsius parses the email into clean, structured JSON with headers, body, and attachments.

3

HTTP Webhook

The structured payload is delivered to your webhook URL as an HTTP POST in real time.

Everything You Need

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Real-time Processing

Webhooks delivered within seconds of email receipt. No polling, no delays.

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Built-in Inbox

Browse, search, and inspect every inbound email with a clean dashboard UI.

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Reliable Delivery

Structured JSON payload sent to your endpoint every time โ€” no lost emails.

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AI Ready

Feed emails directly to AI models, automation pipelines, and classification workflows.

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Structured Data

Parsed headers, plain text, HTML body, and attachment metadata in one clean JSON object.

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Multiple Webhooks

Create separate webhook endpoints for each project, team, or use case.

What Developers Build With Mailsius

Customer Support Automation

Turn support emails into tickets, route to the right team, and trigger automated responses.

  • โ†’ Auto-create support tickets
  • โ†’ Route by subject or content
  • โ†’ Trigger AI-generated replies

Lead Generation & CRM

Capture leads from contact forms, qualify automatically, and sync to your CRM.

  • โ†’ Parse contact form emails
  • โ†’ Extract and enrich lead data
  • โ†’ Sync directly to CRM or database

AI & Automation Workflows

Feed emails to AI models for classification, sentiment analysis, and automated processing.

  • โ†’ AI classification & tagging
  • โ†’ Sentiment analysis
  • โ†’ Auto-responses and summaries

System Monitoring & Alerts

Parse system alerts, create incidents automatically, and integrate with your DevOps stack.

  • โ†’ Parse monitoring alerts
  • โ†’ Create incidents automatically
  • โ†’ Push to Slack or Discord

Simple, Usage-Based Pricing

No subscriptions. No monthly fees. Buy credits when you need them and only pay for what you use.

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Plain Email

1 credit

Per inbound email parsed and delivered to your webhook as structured JSON.

  • โœ“ Full JSON payload
  • โœ“ Headers, subject, body
  • โœ“ Stored in inbox UI
Includes Attachment Storage (Coming Soon)
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Email + Attachments

15 credits

Per email with file attachments. Files are stored and retrievable for 7 days.

  • โœ“ Everything in Plain Email
  • โœ“ Attachment files stored
  • โœ“ 7-day retrieval window

New accounts start with 500 free credits โ€” no credit card required.

Start Building Email Webhooks Today

Join developers who use Mailsius for reliable inbound email processing. Set up in under 5 minutes.

Get Started Free
โœ“ 500 webhooks/month free โœ“ Built-in inbox UI โœ“ 5-minute setup โœ“ No credit card required