Web ›SEO ›Best SEO APIs ›Related keywords API pricing ›Seonio alternatives 114 Seonio alternatives in 2026 By Wayne Hamadi , founder of Datacircle. Last updated: November 7, 2026 Other providers sell related keywords APIs like Seonio's. Wordtracker costs $0.06 per 1,000 keywords, KeywordTool.io $0.066 and SpyWords $0.119.
Related keywords API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.
Provider and plan $ per 1,000 keywords Wordtracker, $60 monthly $0.06 KeywordTool.io, $788 monthly, Agency, GET /v2/search/suggestions/google $0.066 SpyWords, ₽10,000 monthly $0.119 DataForSEO, top-up from $50, Pay as you go, POST /v3/dataforseo_labs/google/keyword_ideas/live $0.12 SandBase, top-up, Build, POST /v1/api/dataforseo/v3/dataforseo_labs/google/keyword_suggestions/live $0.126 SellerSprite, CNY 49,990 yearly $0.156 AnyAPI, pay as you go, Pay per call with x402 and MPP, POST /v1/run/seo.related_keywords $0.16 Serpstat, $999 yearly, API Standard, POST /v4, getRelatedKeywords $0.167 QuanticData, $299 monthly $0.167 Ahrefs, $4,490 yearly, Advanced, GET /v3/keywords-explorer/matching-terms, Matching terms $0.187 AIsa, top-up from $10, Developer, POST /apis/v1/dataforseo/dataforseo_labs/google/keyword_ideas/live not published Bishopi, top-up from $10 not published
Compare every related keywords API plan: Related keywords API pricing: free and cheapest plans compared
Backlink API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 backlinks first.
Provider and plan $ per 1,000 backlinks AnyAPI, top-up from $10, Manual top-up, POST /v1/run/seo.backlinks $0.05 Aizhan, top-up $0.075 RankParse, $59 monthly, Agency (monthly), POST /v1/batch $0.079 YepAPI, top-up $0.10 Keywords Everywhere, $8,000 pack, 50,000,000 credits, POST /v1/get_domain_backlinks $0.16 Ahrefs, $4,490 yearly, Advanced, GET /v3/site-explorer/all-backlinks, Backlinks $0.187 SE Ranking, $29 monthly, Add-on, monthly billing, GET /v1/backlinks/raw $0.193 host.io, $99 monthly $0.198 AIsa, top-up from $10, Developer, POST /apis/v1/dataforseo/backlinks/backlinks/live not published Bishopi, top-up from $10 not published Zutrix, $7 pack not published
Compare every backlink API plan: Backlink API pricing: free and cheapest plans compared
Web scraping API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 pages first.
Provider and plan $ per 1,000 pages Searlo, $3.99 pack, Micro, POST /scrape, Scrape $0.798 OpenGraph.io, $100 monthly, Production, GET /api/3.0/markdown/{encoded_url}, Markdown, full $0.80 pure.md, $99 monthly $0.99 Exa, pay as you go, x402 or MPP, paid per request, POST /contents, Get contents $1.00 Parallel, top-up $1.00 AnyCrawl, $499 yearly $1.04 Social Fetch, $2,430 yearly, Scale, GET /v1/web/markdown $1.35 Tabstack, $499 monthly, Pro, POST /extract/markdown $1.66 ScrapeGraphAI, $20 monthly, Starter Plan, POST /api/scrape, Scrape HTML $2.00 AIsa, top-up from $10, Developer, POST /apis/v1/exa/contents not published CrustAPI, $5 pack not published Ollama, top-up not published Z.ai, top-up not published
Compare every web scraping API plan: Web scraping API pricing: free and cheapest plans compared
Keyword research API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.
Provider and plan $ per 1,000 keywords Bing Webmaster Tools, free, GET /webmaster/api.svc/json/GetKeywordStats $0.00 DataForSEO, free, $1 trial credit, POST /v3/dataforseo_labs/google/keyword_overview/live $0.00 Mangools, free $0.00 seodata.dev, free, Anonymous $0.00 Keys.so, ₽314,100 yearly $0.042 KeywordTool.io, $816 yearly, Starter (annual), GET /v2/search/volume/bing $0.045 Morningscore, $2,990 yearly $0.048 AppDrift, $590 yearly $0.057 Pixel Tools, ₽99 pack, Guru for 99 rubles, POST /api/wordstatapi, wordstatapi, full $0.068 Marketing Miner, €279 monthly, Custom: 1 project, 10,000,000 credits, GET /keywords/search-volume-data $0.094 SocQ, top-up from $5, Starter, POST /v1/seo/keyword-search-volume $0.12 Keywords Everywhere, $168 yearly $0.42 Rush Analytics, $49 monthly, Pro, POST /create/wordstat $0.42 WordRadar, $19 pack $0.475 Omkar Cloud, $48 monthly, Grow Plan, GET /keywords/volume $0.48 Ahrefs, $1,290 yearly, Lite, GET /v3/keywords-explorer/overview, Overview $0.537 AIsa, $19 monthly, Builder, GET /apis/v1/semrush/keyword-overview $0.633 Aizhan, CNY 28 pack, 5,000 calls, GET /baidu/index/{key} $0.838 SandBase, top-up, Build, POST /v1/api/semrush/keyword-overview $1.00 UnifAPI, top-up, Pay-as-you-go, POST /seo/keywords/overview $1.00 Bishopi, top-up from $10, Wallet deposit, GET /historical_search_vol/ not published Serphunt, top-up not published Zutrix, $7 pack not published
Compare every keyword research API plan: Keyword research API pricing: free and cheapest plans compared
SERP API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 searches first.
Provider and plan $ per 1,000 searches DataBlue, $7,689 yearly, Business (yearly), GET /v1/data/google/serp, Google SERP Advanced $0.442 Scrapingdog, $4,000 monthly, Enterprise Starter, GET /google, Google Search API, advanced search $0.444 Searlo, $199.99 pack, Pro, GET /serp/html, SERP HTML $0.444 Serphunt, ₽750 monthly, Standard, POST /api/v1/add/check, Positions (Google) $0.448 Ujeebu, $1,285.20 yearly $0.535 ScrapeBadger, $699 monthly, Scale, GET /v1/yandex/search $0.538 ValueSERP, $64,800 yearly $0.54 AlterLab, $2,000 pack, Deposit $2,000, POST /api/v1/serp, Scrape a search engine results page (DuckDuckGo) $0.667 Crawleo, $2,000 yearly, Scale, yearly, GET /google-search $0.667 ReefAPI, $200 monthly $0.667 SerpBase, $500 pack, Business, POST /google/scholar $0.667 Scrapeless, $399 monthly, Business, POST /api/v1/scraper/request, Google Search $0.80 SerpKite, $50 pack, Growth, POST /v1/search, Google Search $0.80 Zenserp, $4,799.88 yearly, Premium, GET /api/v2/search, Google Search $0.80 Keyword.com, $2,856 yearly $0.869 Crawlora, $29 monthly, Growth, GET /bing/search $0.87 ScrapingBee, $2,399 monthly, Enterprise 41, GET /api/v1/google, Google Search API, regular request $0.878 Scrappa, pay as you go, x402, GET /api/search-advanced, Google Search Advanced $1.00 SearchApi, $5,000 monthly, Octo 5M, GET /api/v1/search?engine=google $1.00 Monitorank, €432 yearly, Annual, GET /?module=rank&action=get $1.33 FetchLayer, $100 monthly, Pro, POST /bing/search $1.33 JustSerpAPI, $1,600 monthly $1.33 MangoProxy, $80 monthly, Scraper Basic, SERP Scraper API (Google) $1.60 SheerSEO, $200 monthly, Monthly Plan Tier 1, POST /rank-submit, Rank - high priority, Google $1.60 WebScrapingAPI, $1,600 monthly, Pro, GET /v2, Google Search API $1.60 XCrawl, $8 monthly, Hobby, POST /v1/serp, Google Search $1.60 Geekflare, $50 pack $2.00 Serply, $5 pack, Micro Pack, GET /v1/search/ $2.00 cloro, $30 monthly, Lite, POST /v1/async/task $2.40 DemandSphere, $948 yearly $2.60 RouterGrowth, $499 monthly $2.60 Morningscore, $159 monthly, Pro, GET /v1/{domainId}/tracked-keywords $2.61 API.SH, $50 monthly, Monthly $50, GET /google/v1/search $3.00 Clair, $300 monthly $3.00 WebScraping.AI, top-up from $20 $3.00 Automated SEO, $5 pack, Small, POST /mcp/serp-api, Bing SERP results not published CrustAPI, $5 pack, Agent pack (x402), GET /v1/search, Lens not published Mindcase, $19.99 pack not published ProLevelMax, top-up, Pay per use, POST /v1/run, Baidu search results not published SERPpost, $18 pack, Standard, POST /api/v1/search, Google Search not published ZenRows, top-up from $5, Pay-as-you-go (agent storefront), GET /v1/, Fetch a Bing page not published Zutrix, $7 pack, 7-day trial of Agency, GET /serp not published
Compare every SERP API plan: SERP API pricing: free and cheapest plans compared
Similar companies API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 companies first.
Provider and plan $ per 1,000 companies PublicWWW, $49 pack $0.0049 CompanyPulse, £29.99 monthly $0.013 ScrapeAtlas, $89 pack $0.018 OpenMercantil, €57 monthly $0.021 gtm-api.com, $36,000 yearly $0.053 Tomba, $59,988 yearly $0.067 Findymail, $2,490 yearly $1.38 LinkCensus, $149 pack $1.49 DiscoLike, $1,599 monthly $1.50 The Companies API, $950 yearly $1.58 Implisense, €379 pack, 5,000 Implicents, GET /v2/companies/{id}/peers $1.71 Derrick, €320 monthly $1.80 Klazify, $13,900 yearly $2.32 Pubrio, $125 monthly $2.50 Fiber AI, $24,000 yearly $2.67 PredictLeads, pay as you go, 100,001-500,000 API Calls $4.00 FetchGoblin, top-up from $5 not published Mawsool International FZCO on Apify, $1 pack not published Renidly, $50 pack not published ScrapeCreators, $47 pack not published SociaVault, $29 pack not published SocialCrawl, £15 pack not published YepAPI, top-up not published Zooq, $20 pack not published
Compare every similar companies API plan: Similar companies API pricing: free and cheapest plans compared
Ranked keywords API alternatives On our Seonio plan pages, we compare each Seonio plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 keywords first.
Provider and plan $ per 1,000 keywords Mangools, $5 monthly $0.067 XOVI, $499 monthly $0.083 SpyWords, ₽10,000 monthly, API Start, GET /, DomainOrganic (Google) $0.119 DataForSEO, top-up from $50, Pay as you go, POST /v3/dataforseo_labs/google/ranked_keywords/live $0.12 SandBase, top-up, Build, POST /v1/api/dataforseo/v3/dataforseo_labs/google/ranked_keywords/live $0.126 AnyAPI, top-up from $10 $0.16 Serpstat, $999 yearly $0.167 Ahrefs, $4,490 yearly, Advanced, GET /v3/site-explorer/organic-keywords, Organic keywords $0.187 Keywords Everywhere, $168 yearly, Silver, POST /v1/get_url_keywords $0.84 Moz, $500 monthly $1.00 UnifAPI, top-up, Starter top-up $1.00 Ranxplorer, €10,000 pack, Sans abonnement 50 M, GET /v1/seo/keywords $2.25 AIsa, top-up from $10, Developer, GET /apis/v1/similarweb/search/website-keywords not published Bishopi, top-up from $10 not published Zutrix, $7 pack not published
Compare every ranked keywords API plan: Ranked keywords API pricing: free and cheapest plans compared
Domain authority API alternatives On our Seonio plan pages, we compare each Seonio 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, ₽6,990 monthly $0.836 SEO PowerSuite, $149 monthly, 5,000,000 units, GET /backlinks/v1.0/get-inlink-rank $0.894 UnblockingAPI, €500 pack $0.938 SE Ranking, $29 monthly, Add-on, monthly billing, GET /v1/backlinks/authority/domain $0.967 UnifAPI, top-up, Starter top-up, POST /seo/backlinks/bulk-ranks $1.00 DomDetailer, $34 pack $1.36 Chinaz, CNY 1,800 pack, 180,000 calls, POST /batch/weight/baidupc $1.50 RankParse, $199 pack, Lifetime deal, GET /v1/domain-authority $1.99 host.io, contact us $2.00 Moz, $250 monthly $2.08 AIsa, top-up from $10, Developer, POST /apis/v1/dataforseo/backlinks/summary/live not published Bishopi, top-up from $10, Wallet deposit, GET /backlinks_summary/ not published LinkResearchTools, $17 pack not published Zutrix, $7 pack not published
Compare every domain authority API plan: Domain authority API pricing: free and cheapest plans compared
