Transactional email API
Send programmatic email through a REST API designed for transactional messages such as OTPs, password resets, updates, and alerts.
AutoSend
AutoSend is an email platform for developers and marketers that combines transactional sending, marketing campaigns, and automation. It supports API, SMTP, SDK, webhook, and agent-based workflows, with pricing based on email volume.
Overview
AutoSend is an email platform for developers and marketers that combines transactional email, marketing campaigns, and automation. The site positions it as a lightweight alternative to SendGrid, with pricing based on email volume rather than contact count.
For developers, AutoSend offers a REST API, SMTP access, SDKs, webhooks, and tools for AI agents through MCP and skill files. For marketers, it includes campaign creation, segmentation, an email builder, domain warmup, and automation for lifecycle messages such as welcome flows and re-engagement.
Core features
SMTP delivery
Use SMTP credentials to connect AutoSend with existing software that already supports SMTP, which can reduce integration work for legacy systems or third-party tools.
Templates and campaign sending
Generate and reuse email templates, then send via API or through marketing campaign workflows depending on the message type.
Marketing campaigns and segmentation
Create marketing campaigns, build emails in the editor, segment contacts, and send newsletters or product announcements to targeted audiences.
Email automation
Set up welcome flows, onboarding sequences, and re-engagement messages with trigger-based automation and engagement-aware analytics.
Delivery monitoring and analytics
Use delivery logs and stats to monitor opens, clicks, bounces, suppressions, and other events so you can track sending performance.
Common use cases
Transactional product email
Send OTPs, password resets, alerts, and other product messages through a reliable API with delivery logs and event tracking.
Marketing broadcasts
Run newsletters, launches, and audience-specific campaigns with templates, segmentation, and campaign analytics.
Lifecycle automation
Automate welcome sequences, onboarding flows, and re-engagement messages based on user actions or contact changes.
Agent-driven email workflows
Let AI agents manage email operations through MCP and skills files so they can create templates, campaigns, and contacts without manual dashboard work.
Pros and Cons
Pros
- Combines transactional email, marketing campaigns, and automation in one platform.
- Supports multiple ways to send email, including REST API, SMTP, SDKs, and webhooks.
- Includes agent-oriented workflows with MCP and skill files for AI assistants.
- Uses volume-based pricing rather than charging by contact count.
- Provides delivery monitoring and analytics for opens, clicks, bounces, and suppressions.
Cons
- The pricing page does not show a free plan, so teams appear to need a paid tier to get started.
- The published information is strong on core email workflows, but the source does not provide a full public list of every supported integration or ecosystem.
FAQ
What is AutoSend used for?
AutoSend provides transactional email sending, marketing campaigns, and automation in one platform. The pricing page distinguishes between a transactional-only plan and a marketing + transactional plan, so it can fit teams that need either a lighter email API or a broader email workflow.
How do you connect AutoSend to an app or agent?
The source pages show a REST email API, SMTP support, SDKs, webhooks, templates, campaigns, contacts, and delivery analytics. The site also describes an MCP-based workflow for agents, with docs and skill files for giving AI agents access to the AutoSend API and best practices.
What does AutoSend offer for transactional email?
AutoSend includes transactional email tools such as templates, raw HTML or text sending, unsubscribe groups, and delivery/open/click insights. The site also mentions SMTP credentials for connecting existing email clients or services that already support SMTP.
What does AutoSend offer for marketing email?
AutoSend’s marketing side includes campaigns, dynamic segmentation, domain warmup, an email builder, and email automation. The pricing page also shows marketing-specific items such as contact lists, segments, campaign analytics, and automation.
Does AutoSend have a free plan?
No free plan is shown on the pricing page. The pricing page describes paid tiers and says enterprise pricing is custom, so teams should expect to choose a paid plan based on sending volume and required features.
Quick Facts
- Category
- Email platform
- Primary users
- Developers and marketers
- Core delivery methods
- REST API, SMTP, SDKs, webhooks
- Agent support
- MCP, skills.md, AI-agent workflows
- Pricing shape
- Paid tiers based on email volume; enterprise is custom
- Website
- autosend.com
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