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GET /v1/blobs/search?q={query}&limit=5&threshold=0.7
Authorization: Bearer ltx_your_key

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Metering (D7)

Counts as one search call in the same pool as GET /v1/search: usage_logs records endpoint=/v1/blobs/search. usage in the response matches the web-search shape (calls_total, calls_remaining, over_limit, …). 429 SEARCH_CALLS_LIMIT is returned before embedding when over quota (saves vector work).

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Requirements

Requires Upstash Vector (blob namespace) and OpenAI (or configured) embeddings on the API host. If unset, 503 BLOB_SEARCH_UNAVAILABLE.

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MCP

GET https://lithtrix.ai/mcp/lithtrix-blob-search.json — tool lithtrix_blob_search.

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Response shape

Successful JSON includes provider_used: "vector" (semantic / embedding index only — this route does not call Brave or Tavily).