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OpenClaw supports Gemini models with built-in Google Search grounding, which returns AI-synthesized answers backed by live Google Search results with citations.

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Get an API key

1

Create a key

Go to Google AI Studio and create an API key.
2

Store the key

Set GEMINI_API_KEY in the Gateway environment, reuse models.providers.google.apiKey, or configure a dedicated web-search key via:
openclaw configure --section web

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Config

{
  plugins: {
    entries: {
      google: {
        config: {
          webSearch: {
            apiKey: "AIza...", // optional if GEMINI_API_KEY or models.providers.google.apiKey is set
            baseUrl: "https://generativelanguage.googleapis.com/v1beta", // optional; falls back to models.providers.google.baseUrl
            model: "gemini-2.5-flash", // default
          },
        },
      },
    },
  },
  tools: {
    web: {
      search: {
        provider: "gemini",
      },
    },
  },
}
Credential precedence: Gemini web search uses plugins.entries.google.config.webSearch.apiKey first, then GEMINI_API_KEY, then models.providers.google.apiKey. For base URLs, the dedicated plugins.entries.google.config.webSearch.baseUrl wins before models.providers.google.baseUrl. For a gateway install, put env keys in ~/.openclaw/.env.

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How it works

Unlike traditional search providers that return a list of links and snippets, Gemini uses Google Search grounding to produce AI-synthesized answers with inline citations. The results include both the synthesized answer and the source URLs.
  • Citation URLs from Gemini grounding are automatically resolved from Google redirect URLs to direct URLs.
  • Redirect resolution uses the SSRF guard path (HEAD + redirect checks + http/https validation) before returning the final citation URL.
  • Redirect resolution uses strict SSRF defaults, so redirects to private/internal targets are blocked.

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Supported parameters

Gemini search supports query, freshness, date_after, and date_before. count is accepted for shared web_search compatibility, but Gemini grounding still returns one synthesized answer with citations rather than an N-result list. freshness accepts day, week, month, year, and the shared shortcuts pd, pw, pm, and py. OpenClaw converts these values, or an explicit date_after/date_before range, into Gemini Google Search grounding’s timeRangeFilter. country, language, and domain_filter are not supported.

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Model selection

The default model is gemini-2.5-flash (fast and cost-effective). Any Gemini model that supports grounding can be used via plugins.entries.google.config.webSearch.model.

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Base URL overrides

Set plugins.entries.google.config.webSearch.baseUrl when Gemini web search must route through an operator proxy or custom Gemini-compatible endpoint. If that is unset, Gemini web search reuses models.providers.google.baseUrl. A plain https://generativelanguage.googleapis.com value is normalized to https://generativelanguage.googleapis.com/v1beta; custom proxy paths are kept as provided after trimming trailing slashes.