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    Quick Info

    Best For

    Developers building tool-using AI agents

    Key Features

    AI model access
    Data API catalog
    Code sandboxes
    Agent API compatibility

    Community Rating

    SandBase

    freemium • From 100 free eligible API calls daily
    Updated Nov 2026

    SandBase combines AI model access, data APIs, agent tooling and code sandboxes behind a shared API key. Developers can connect models and tools, run code with an E2B-compatible interface and build workflows through an OpenAI Agents API-compatible service. Documentation and examples cover research and data-processing tasks. Pricing is usage-based without a subscription. Eligible data APIs share 100 free daily calls per organization, while models have separate listed charges. Agent and sandbox infrastructure are advertised as free; their model and API calls may still incur costs.

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    Pros

    • Shared API key across tools
    • Agent and sandbox interfaces

    Cons

    • Free data calls do not cover all model and API usage.
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    All Features

    AI model access
    Data API catalog
    Code sandboxes
    Agent API compatibility

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