Seltz – The fastest, high quality, search API for AI agents
Hi HN, Antonio here. Founder of Seltz. Seltz is a web search API built for AI agents. We wrote the crawler, the index, and the retrieval models ourselves, in Rust, by a team that's spent years building web search at scale. In our tests, queries come back in under 200ms. Efficiency was the first design principle. Search sits on the critical path: agents can't generate their first tokens or kick off the next tool call until results come back. When you run tens or hundreds of queries in parallel, every millisecond of tail latency compounds. Most search APIs for agents are wrappers around Google…
Seltz – The fastest, high quality, search API for AI agents launched on April 20, 2026 with 5 votes, #1,846 of 21,248 launches that month and more than 75% of that year's launches.
What it does
Seltz console for managing keys, usage, and billing.
In the maker’s words, at launch
Hi HN, Antonio here. Founder of Seltz. Seltz is a web search API built for AI agents. We wrote the crawler, the index, and the retrieval models ourselves, in Rust, by a team that's spent years building web search at scale. In our tests, queries come back in under 200ms. Efficiency was the first design principle.…
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