head to head/Developer Tools

Sandboxer vs Sendkit

Neck and neck on boosts. Profiles, pricing and deals below.

Sandboxer

Cloud Ubuntu microVMs for AI agents

community boosts

⚡ 0

pricing

Paid · From $20/mo, billed per second ($0.036/h default size). 7-day free trial with card.

what it is

Sandboxer gives AI agents and developers their own cloud Linux machine: a full Ubuntu 24.04 microVM with root, Docker and nested KVM, coding agents (Claude Code, Codex, OpenCode) preinstalled, an HTTPS URL for any port, and stop/resume that keeps running processes in memory. Drive it from a CLI, REST API, TypeScript and Python SDKs, or a hosted MCP server at sandboxer.com/mcp. Billed per second while running; nothing while paused. Not to be confused with the 'Sandboxer' Windows Sandbox app in the Microsoft Store.

Sendkit

Email API, SMTP & Marketing Platform for Developers & AI Agents

community boosts

⚡ 0

pricing

Freemium

what it is

Deliver transactional emails, marketing campaigns, and drip sequences at scale. SDKs for every major language, real-time webhooks, and delivery tracking. Free tier available, no credit card required