AI tools for ai infrastructure & developer apis

Replicate hosts models with versioned inputs and APIs for generating or processing media and text.

Best for: Running hosted AI models through an API

Managed cloud computers for AI agents that keep files and setup between tasks; pay as you go with a $5 credit after adding a card.

Best for: Sandbox0 is a managed runtime for long-running AI agents, operated by Lougao, LLC under the Sandbox0 name.

Tavily supplies search, extraction and crawl APIs for research applications.

Best for: Search and extraction APIs for AI research

Together AI supplies hosted inference, dedicated endpoints and fine-tuning for supported models.

Best for: Hosted open-model inference and fine-tuning

Vapi provides a developer platform for voice agents with model, speech and telephony connections.

Best for: Developer voice agents and call workflows

Backend for coding agents: model access, user login, Postgres and file storage under one project key, with a $0 starter.

Best for: Vectoree is for developers and teams whose coding agents, such as Cursor, Claude Code or Codex, build apps that need a backend.

Web-search APIs and tools for supplying live information and source-backed retrieval to AI applications.

Best for: Developers retrieving current web information for AI apps