Transactional

Infrastructure for
AI Agents.

Sandboxes. Browsers. Code execution. Agent email. Auth. Everything your agents need to act in the real world — one SDK, one API key.

99.99% UptimeSub-200ms Cold Start

One SDK. Every primitive.

One SDK. Every capability.

Sandboxes, browsers, code, email, auth — ship agents in minutes, not months.

agent.ts
import { Transactional } from '@usetransactional/node'
 
const tx = new Transactional({ apiKey: 'tr_live_...' })
 
// Spin up a sandbox
const sandbox = await tx.sandboxes.create()
 
// Browse the web
const page = await tx.browsers.open(url)
 
// Execute code
const result = await tx.code.run(script)
SandboxRunning
Python 3.12 · 2 vCPU · 512MB
boot: 187ms · E2B
BrowserNavigating
Extracting pricing data 
CodeDone
Analysis complete · 3 files generated
Python · 1.2s · exit 0
EmailSent
Report ready for review
to: user@company.com · via SES
The Core Ecosystem

Infrastructure for AI Agents.

AGENT SANDBOXES

Every agent gets its own world.

Isolated execution environments with full Linux environments, network isolation, and auto-cleanup.

<200ms Cold Start

Near-instant sandbox provisioning

Python, Node, Deno

Multi-runtime support out of the box

Network Isolation

Full network sandboxing per agent

Snapshot & Restore

Save and resume sandbox state

Resource Limits

CPU, memory, and disk quotas

Auto-cleanup

Automatic teardown after execution

RUNNING
SANDBOX_V1
sandbox-7a3f — bash
$python3 research.py

[agent] Initializing research pipeline...

[fetch] Downloading dataset (2.4MB)

[parse] Extracted 847 records

[model] Running analysis...

[done] Results saved to /out/report.json

$
Python 3.12 · 2 vCPU · 512MB
sandbox-7a3f
1m 23s
E2B
AGENT BROWSERS

Your agents can browse the internet.

Headless Chromium browsers with stealth mode, anti-detection, and session persistence.

Navigate & Click

Full browser automation for agents

Screenshots & Extraction

Visual data capture and parsing

Stealth Mode

Anti-detection and fingerprint rotation

Session Persistence

Maintain state across browsing sessions

CAPTCHA Solving

Automated CAPTCHA handling

Proxy Rotation

Built-in residential proxy pool

NAVIGATING
BROWSER_V1
https://example.com/pricing
$9
$29
$99
3 elements extracted
Chromium 125
stealth: on
Browserbase
UNIFIED AI GATEWAY

Route to any model, from any agent.

Unified API for 13+ LLM providers with intelligent routing, caching, and automatic observability.

13+ Providers

OpenAI, Anthropic, Google, and more

Automatic Failover

Seamless provider switching on errors

Smart Caching

Semantic caching for repeated queries

Cost Tracking

Per-request and per-agent cost analytics

Rate Limiting

Per-key and per-model rate controls

OpenAI Compatible

Drop-in replacement for OpenAI SDK

ROUTING
GATEWAY_V1
OpenAI890ms
GPT-4o
Anthropic420ms
Claude 4
Google310ms
Gemini 2
+10 more providers
Request RoutingSmart failover
req
res
4.8K
requests
42ms
avg latency
67%
cache hit
AGENT EMAIL

Your agents can send and receive email.

Dedicated email addresses for AI agents with full inbox management, automatic threading, and 99.9% deliverability.

Own Email Identity

Each agent gets its own email address

Full Inbox API

List, search, read, label, and archive

Real-time Webhooks

Instant notification on incoming mail

Per-Agent Isolation

Separate keys, limits, and domains

Thread Tracking

Automatic conversation threading via headers

Custom Domains

Use your own domain or the shared default

3 UNREAD
AGENT_EMAIL_V1
Inbox
3
S
Sarah Chen2m
RE: Q4 data analysis results3
M
Mike Johnson18m
API credentials for staging env
A
Acme Support1h
Ticket #4821 — resolved5
J
Julia Park3h
Meeting notes from sync2
Compose
research-agent@agentmail.io
99.9% delivery
CODE EXECUTION

Run any code, any language, securely.

Secure multi-language code execution with Linux namespace isolation. 50+ languages, package management, and configurable resource limits.

50+ Languages

Python, JavaScript, Go, Rust, Ruby, and more

Namespace Isolation

Linux cgroups — no shared state between runs

Zero Cold Start

Self-hosted runtimes always warm and ready

Resource Limits

Configurable time, memory, and output caps

COMPLETE
CODE_V1
main.pyoutput
1

import json

2 
3

data = {"prices": [29, 59, 99]}

4

avg = sum(data["prices"]) / 3

5

print(f"avg: {avg}")

stdout

avg: 62.33

exit 0
Python 3.12
exit 0
1.2s
Piston
AGENT FILE SYSTEMS

Persistent storage for every agent.

S3-compatible file storage with per-agent workspace isolation, presigned URLs, and zero egress fees.

Workspace Isolation

Each agent gets its own file namespace

S3 Compatible

Works with any S3 client or SDK

Zero Egress

No data transfer charges on any operation

Presigned URLs

Temporary links for secure file sharing

4 FILES
STORAGE_V1
research-output
workspace
/reports/
pdfanalysis.pdf2.4 MB
csvdata.csv847 KB
jsonreport.json12 KB
pngscreenshot.png1.1 MB
Workspace Storage4.3 MB / 5 GB
S3-compatible
zero egress
Transactional
The AI Layer

Building Blocks for AI Apps.

TRANSACTIONAL EMAIL

Emails that actually reach the inbox.

99.9% deliverability with templates, analytics, and real-time webhooks. Send password resets, welcome emails, and notifications.

99.9% Deliverability

Industry-leading inbox placement

Sub-50ms Latency

Lightning-fast API response times

Template Engine

React Email templates with live preview

Real-time Webhooks

Delivery, bounce, and click events

DELIVERABLE
EMAIL_V2
Inbox — 4 messages
Welcome Email
Acme Inc
Delivered2m ago
Verify Account
Acme Inc
Delivered5m ago
Password Reset
Acme Inc
Delivered12m ago
Team Invite
Acme Inc
Queuedjust now
A
Acme Incno-reply@acme.com
DELIVERED
Welcome to AcmeToday at 2:34 PM

Hi there, welcome to Acme! We're excited to have you on board. Your account is all set up and ready to go.

Click the button below to get started with your new dashboard and explore everything we have to offer.

Get Started
99.9%
DELIVERY
<50ms
LATENCY
99.99%
UPTIME
AGENT MEMORY

Give your agents long-term memory.

Persistent context for AI agents with vector and graph-based retrieval. Store user profiles, conversation history, and preferences across sessions.

Vector Storage

Semantic search across all stored memories

Knowledge Graph

Entity extraction and relationship mapping

Auto-Summarize

Automatic conversation summarization

Sub-50ms Recall

Lightning-fast memory retrieval

3 MEMORIES
MEMORY_V1
Knowledge Graph12 nodes · 8 edges
user
context
pref
userPrefers dark mode0.95
factWorks at Acme Corp0.91
prefUses Python primarily0.88
semantic search across all memories...
Vector + Graph
<50ms recall
ArangoDB
AUTHENTICATION

Secure by default. SSO, MFA, passkeys.

Complete identity management with SSO, MFA, passkeys, and automatic session handling. Enterprise-grade security without the complexity.

SSO & SAML

Google, GitHub, Microsoft, and custom SAML

MFA & Passkeys

TOTP, SMS, and WebAuthn support

User Management

Built-in profiles and organizations

Drop-in SDKs

React, Next.js, and Node.js SDKs

AUTHENTICATED
AUTH_V2
Priya Sharma
priya@nexastack.io
MFA ENABLED
VERIFIED
4
7
2
8
9
1
PasskeyActive
Active Session
Last login: 2 min ago
SSO
ENABLED
MFA
ACTIVE
OBSERVABILITY

See everything your agents do.

Full-stack observability for AI agents. Traces, cost tracking, token usage, and error monitoring — all in real time.

Real-time Traces

Every LLM call, tool use, and agent action traced

Cost Tracking

Per-model, per-agent, per-request cost analytics

Session Replay

Replay multi-turn conversations to debug AI behavior

Error Monitoring

Catch and group errors with full stack traces

MONITORING
3 ACTIVE
TypeError
×247
Warning
×52
ReferenceError
Resolved
STACK TRACE
42user.profile.settings
43 return fetchData()
44 const data = await
navigate
click
error
3
UNRESOLVED
247
EVENTS
12
RESOLVED
Customer Experience

Support for AI Apps.

LIVE SUPPORT

Real-time chat with a unified inbox.

Beautiful chat widget, team inbox, and AI copilot. Help your customers instantly without leaving your dashboard.

Chat Widget

Customizable widget that matches your brand

Unified Inbox

All conversations in one place

AI Copilot

AI-powered suggested responses

Analytics

Response times, satisfaction, and volume

ONLINE
CHAT_V2
Support Team
Typically replies in <2 min
AI

Hi! How can I help you today?

12:01

How do I add a custom domain?

12:02
AI

Go to Settings → Domains → Add Domain. I'll walk you through it.

12:02
AI
Type a message...
<100ms
DELIVERY
99.99%
UPTIME
24/7
AVAILABLE
SCHEDULING

Booking infrastructure for your app.

Scheduling and availability management for appointments, meetings, and events. Google & Outlook sync, reminders, and embeddable booking widgets.

Availability

Define working hours and booking windows

Team Scheduling

Round-robin and team booking support

Reminders

Automatic email and SMS reminders

Embeddable

Drop-in booking widgets for your app

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4:30 PM
MORE CAPABILITIES

More primitives. Less glue code.

Sandboxes

Isolated environments for every agent.

Isolated environments for every agent. Spin up Python, Node, or Deno runtimes in <200ms. Full network isolation, resource limits, auto-cleanup.

Full VM isolation<200ms cold start
Browsers

Your agents can browse the internet. Navigate, click, extract data — with stealth mode and anti-detection.

Chromium-powered
Code Execution

Secure code execution in 50+ languages with sandboxing.

50+ languages
AI Gateway

Route between LLM providers with automatic failover and cost controls. No vendor lock-in, no SDK sprawl.

Sub-100ms overhead
Memory

Persistent context for AI. Vector store with auto-chunking.

Semantic search
File Systems + Email + Auth + Observability

The complete agent toolkit.

Persistent file systems, transactional email, drop-in authentication, and full-stack observability. Every module works together through a unified SDK.

16 modules, 1 platform
16

Modules. One SDK.

SupportSMSFormsCalendarDomainsError Tracking
Platform Architecture

Sixteen modules.
One stack. Zero duct tape.

Agent primitives, AI, messaging, and platform — every layer works together out of the box.

@
EMAIL
SENT
💬
SMS
2FA
847291
Delivered
98.7%
FORMS
Name
Email
I agree to terms
Submit
📅
CALENDAR
January 2026
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Events
Team Sync
Demo
🔐
AUTH
SSO
👤
email@example.com
••••••••
Sign In
G
f
in
💬
SUPPORT
Online
Inbox
How can I help?
Need help with API
Type a message...
🌐
DOMAINS
myapp.com
Active
api.myapp.io
Active
DNS Records
A
MX
CNAME
🧠
LLM OPS
Live
Trace Timeline
Tokens
2,458
Cost
$0.04
Models
GPT-460%
Claude30%
Email API
Transactional emails
SMS Gateway
Global messaging
Form Builder
Dynamic forms
Scheduling
Booking system
Authentication
Identity & SSO
Live Chat
Customer support
DNS Manager
Domain control
LLM Ops
AI observability

Built for Scale

Four pillars. One platform.

Agent infrastructure, communication, AI, and customer experience — each pillar runs on dedicated infrastructure, unified by a single API.

Data center infrastructure
Agent Infrastructure
Agent Primitives
Sandboxes, browsers, code execution, agent email, and file systems — everything agents need to act in the real world.
Agent Session
sandboxrunning
browsernavigating
codeexecuting
emailinbox: 3 new
files3 saved
Sandboxes + Browsers + Code + Email + Files
Team collaboration
Communication
Messaging Infrastructure
Email, SMS, and multi-channel messaging — 99.9% deliverability, sub-150ms latency.
Delivery Rate
99.9%
Email + SMS + Pushunified API
Coding workspace
Artificial Intelligence
AI Infrastructure
Route to any model, persist memory, trace every token. One SDK for the entire AI stack.
Trace Waterfall
embed
42ms
llm
890ms
cache
8ms
Gateway + Memory + Observability
Team meeting
Sales & Support
Customer Experience
Live chat, knowledge base, forms, and AI copilot — resolve 89% of queries automatically.
Live Chat
How do I set up DKIM?
Add the TXT record to your DNS settings...
AI typing...

Operational Intelligence

Your whole stack. One dashboard.

AI traces, email metrics, support tickets, auth sessions — everything in one place.

Earth from space
Email Delivery
user@example.comdelivered
dev@startup.iodelivered
ops@deploy.cosending
hi@team.appdelivered
AI Trace Waterfall
embed42ms
llm890ms
tool_call210ms
Support Chat
How do I add a custom domain?
Go to Settings > Domains > Add...
Analytics
Requests
4.8M
Latency
23ms
All systems go
16 modules operational

Ship faster. Sleep better.

Every module, every metric, at a glance.

Platform Modules

Pick what you need. Skip what you don't.

Modular by design. Use one module or all sixteen.

Agent Primitives

Sandboxes

Isolated Environments

Browsers

Headless Chromium

Code Exec

50+ Languages

File Systems

Agent Storage

Agent Email

Agent Inboxes

AI

AI Gateway

LLM Proxy & Cache

Memory

Vector & Graph

Observability

Traces & Costs

Communication

Email

Transactional API

SMS

Global Messaging

Support

Live Chat & Tickets

Platform

Auth

SSO, MFA, Sessions

Domains

Registration & DNS

Forms

Headless Collection

Calendar

Scheduling & Sync

INFRASTRUCTURE // SCALE

Built for Global Scale

Our infrastructure is designed to handle mission-critical workloads with the reliability your business demands.

99.9%

Uptime SLA

Enterprise-grade reliability with redundant systems across multiple availability zones.

<150ms

Global Latency

Edge-optimized delivery via points of presence on every continent.

Elastic

Scaling

Horizontally scalable architecture designed for burst traffic and consistent load.

Real-time

Autoscaling

Automatic resource allocation that responds to demand in real-time.

All Systems Operational
Status: Healthy
Updated: Real-time

YOUR AGENTS DESERVE
REAL INFRASTRUCTURE.

START BUILDING AGENTS THAT DO REAL WORK.

Deploy Your First Agent