What is Seltz?
Seltz is a web search API designed specifically for AI agents, built from scratch in Rust by a team with experience scaling web search infrastructure. Unlike most agent search tools that wrap Google or Bing, Seltz runs its own independent crawler and index — so if your agent already calls Google, Seltz returns genuinely different results and rankings, not the same ten documents. Response latency is under 200ms, which matters when search sits on the critical path: every agent turn that triggers a search call blocks token generation until results arrive, and parallel query patterns compound tail latency fast. Current coverage focuses on US news, with more verticals planned. There's a free tier with $100 in credits to test it against your existing stack.
What is Seltz used for?
Developers building AI agents that need a fast, independent web search API returning different results than Google or Bing.
How much does Seltz cost?
Paid
Usage-based pricing beyond the free credits; visit the website for details.
Pros and cons
Pros
• Runs its own independent crawler and index, not a wrapper over Google or Bing • Returns genuinely different results and rankings than mainstream engines • Sub-200ms response latency, which matters on an agent's critical path • Built in Rust by a team experienced scaling web search • Free tier with $100 in credits to test
Cons
• Current coverage focuses on US news; other verticals are still planned • API-only, aimed at developers rather than end users • A newer index means breadth may not yet match incumbent engines
Questions about Seltz
What is Seltz?
Seltz is a web search API built for AI agents, running its own crawler and index rather than wrapping another engine.
How is Seltz different from other agent search tools?
It runs an independent index instead of wrapping Google or Bing, so it returns different results and rankings than an agent already calling those engines.
How fast is Seltz?
Response latency is under 200ms.
What does Seltz currently cover?
US news, with more verticals planned.
Is there a free tier?
Yes. There is a free tier with $100 in credits to test it against your existing stack.
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