Agent Search Rate Limiting

A research agent making 15 search calls per question hits Tavily's ~20/min free tier limit on the second question within a minute. Switching to Scavio (no per-minute throttle) with the same 15 calls per question, the agent completes both questions in 30 seconds. Monthly cost: 15 calls x 50 questions/day x 30 days = 22,500 queries = $112.50/month on Scavio's $0.005 rate.

Agent Search Rate Limiting is relevant to Google, Amazon, YouTube, Reddit. Scavio provides a unified API to access data from all of these platforms.

AI agents making autonomous tool calls can generate search requests faster than API providers allow. A research agent answering a complex question might make 10-15 search calls in seconds. A monitoring agent checking 200 keywords might batch all queries in parallel. Both patterns trigger rate limits. Rate limit comparison across providers (verified May 2026): Tavily free tier: approximately 20 requests per minute. Brave Search API: varies by plan, typically 1-5 requests per second. DataForSEO: 2,000 requests per minute on live endpoints. SerpAPI: 5 searches per second on paid plans. Scavio: no published per-minute rate throttle on any tier, credits are the limiting factor (250 free/month, 7K at $30/month). Strategies for staying within limits: (1) Request queuing -- buffer agent search requests and release them at the provider's rate. Adds latency but prevents 429 errors. (2) Provider rotation -- distribute requests across providers to stay under each one's rate limit. (3) Result caching -- cache search results for 15-60 minutes. If the agent asks a similar query, return cached results without an API call. (4) Budget-based throttling -- set per-task query limits so a single agent task cannot exhaust your rate limit budget. The cost of hitting rate limits: a 429 response wastes the agent's time and may cause it to hallucinate rather than retry. In production, a rate limit hit during a user-facing interaction means a degraded response. Choosing providers with higher or no rate limits reduces this risk.