Buyer research · Sep 24, 2026
Best SERP APIs: an evidence-led shortlist
No forced ranking: our identical-workload Benchmark #1 is not complete. We list candidates supported by current evidence and state what remains untested.
DataForSEO
Evidence: OFFICIAL DOCUMENTED. DataForSEO documents organic SERP endpoints and broader search-data APIs. Comparable SDB-B01 latency, completeness and cost remain untested.
SE Ranking API
Evidence: VERIFIED HANDS-ON for a prior frozen run. Six fixed SERP deep-dives returned ten rows each; an early burst produced HTTP 429 and later execution used throttling and retries. This was not an identical workload against DataForSEO.
Mangools API
Evidence: API existence is OFFICIAL DOCUMENTED; our prior hands-on evidence used product interfaces rather than authenticated API access. Exact affiliate destination remains unresolved, so no commercial button is published.