AgentDeals vs serpstack
Same instrument, two spec sheets — measured, not claimed.
AgentDeals vs serpstack: common questions
Which is more reliable, AgentDeals or serpstack?
Both are neck-and-neck — AgentDeals and serpstack each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, AgentDeals or serpstack?
AgentDeals has the lower median latency in our checks — AgentDeals responds in 243 ms versus serpstack at 492 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do AgentDeals and serpstack need an API key?
AgentDeals needs no key, while serpstack requires a free API key. If you want to start calling without signup, reach for AgentDeals first.
Can I call AgentDeals and serpstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call AgentDeals and serpstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are AgentDeals and serpstack free for commercial use?
AgentDeals has unclear commercial terms, and serpstack has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.