Transactional

AI

AI Gateway
Unified LLM proxy
Memory
Persistent context & profiles
Observability
Traces, costs & errors

Agents

Sandboxes
Isolated environments
Browsers
Headless browser infra
Code Execution
Multi-language runtime

Communication

Email
Transactional email API
SMS
Global messaging
Support
Chat widget & inbox

Build

Auth
SSO, MFA & users
Forms
Headless forms & webhooks
Calendar
Scheduling & sync

Infrastructure

Domains
Register & manage DNS
File Systems
Persistent storage
Agent Email
Email for AI agents

By Solution

AI Apps
Build & run AI applications
Agentic Development
Infrastructure for autonomous agents
Communication
Email, SMS & customer support
Marketing
Campaigns, lead gen & analytics
Sales
Booking, outreach & lead capture
Developer Platform
One SDK, all primitives

Industries

SaaS & Software
Auth, email, support & billing for your app
Fintech
Secure auth, notifications & compliance
E-commerce
Order emails, SMS alerts & lead capture
Education
Student comms, scheduling & portals
Agencies
Multi-tenant client projects on one platform

Resources

Documentation
Guides, tutorials & API reference
API Reference
Complete REST API documentation
API Playground
Test endpoints in your browser

Ecosystem

Integrations
Connect with your existing tools
SDKs
TypeScript, Python, Go & more
Changelog
Latest updates & releases
Pricing
Console

Developer

DocumentationAPI ReferencePlayground
API OverviewAuthenticationError HandlingPaginationRate LimitingWebhooksEmailSMSFormsAuthCRMSupport / ChatCalendarDomainsAgent Email

API Reference

Complete reference documentation for the Transactional API.

API Overview
View api overview documentation
Authentication
View authentication documentation
Error Handling
View error handling documentation
Pagination
View pagination documentation
Rate Limiting
View rate limiting documentation
Webhooks
View webhooks documentation
Email
View email documentation
SMS
View sms documentation
Forms
View forms documentation
Auth
View auth documentation
CRM
View crm documentation
Support / Chat
View support / chat documentation
Calendar
View calendar documentation
Domains
View domains documentation
Agent Email
View agent email documentation

Looking to test the API interactively? Try the API Playground

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