Datacircle

21 SpyFu alternatives in 2026

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The best alternatives to SpyFu for related keywords APIs: DataForSEO, Mangools and Bing Webmaster Tools, by our benchmark. SpyFu's website is spyfu.com.

Related keywords API alternatives

DataForSEO, Mangools and Bing Webmaster Tools are the best related keywords API providers in the Datacircle benchmark.

On our SpyFu plan pages, we compare each SpyFu plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.

Provider and plan$ per 1,000 keywords
QuanticData, $79 monthly$0.25
Serpel, €50 pack$0.90
OutlierKit, $19 pack$1.90
SE Ranking, $29 monthly, Add-on, monthly billing, GET /v1/keywords/questions$1.93

Compare every related keywords API plan: Related keywords API pricing: free and cheapest plans compared

Domain authority API alternatives

AnyAPI, host.io and SearcherLite are the best domain authority API providers in the Datacircle benchmark.

On our SpyFu plan pages, we compare each SpyFu plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 domains first.

Provider and plan$ per 1,000 domains
CheckTrust, ₽67,104 yearly$0.72
Argosor, $19 monthly$0.76
DomDetailer, $397 pack$0.79
Omkar Cloud, $16 monthly, Starter Plan, GET /domains/authority, Authority Score$0.80
Seonio, $480 yearly, Business (yearly), POST /api/v1/website/stats$0.89
SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-inlink-rank$0.89
UnblockingAPI, €500 pack$0.94
SE Ranking, $29 monthly, Add-on, monthly billing, GET /v1/backlinks/authority/domain$0.97
Serpstat, $1,999 yearly$1.00
ForgeMesh, pay as you go, x402, POST /v1/authority-compare$1.00

Compare every domain authority API plan: Domain authority API pricing: free and cheapest plans compared

Keyword research API alternatives

DataForSEO, Bishopi and AppDrift are the best keyword research API providers in the Datacircle benchmark.

On our SpyFu plan pages, we compare each SpyFu plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.

Provider and plan$ per 1,000 keywords
Local SEO Data, top-up from $5, Pay-As-You-Go, POST /v1/keywords/search-volume$0.36
Omkar Cloud, $148 monthly, Scale Plan, GET /keywords/volume$0.37
WordRadar, $49 pack$0.38
Rush Analytics, $299 monthly, Agency, POST /create/wordstat$0.40

Compare every keyword research API plan: Keyword research API pricing: free and cheapest plans compared

Ranked keywords API alternatives

DataForSEO, Bishopi and Bukvarix are the best keyword ranking API providers in the Datacircle benchmark.ranked keywords API providers

On our SpyFu plan pages, we compare each SpyFu plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.

Provider and plan$ per 1,000 keywords
Keywords Everywhere, $168 yearly, Silver, POST /v1/get_url_keywords$0.84
Arvow, $828 yearly$0.92
Moz, $500 monthly$1.00
UnifAPI, top-up, Starter top-up$1.00
Seonio, $480 yearly, Business (yearly), POST /api/v1/website/ranking$1.07
SearcherLite, $7 pack$1.40

Compare every ranked keywords API plan: Ranked keywords API pricing: free and cheapest plans compared

Best GTM APIs