SEO Keyword Research, Domain Authority, Backlinks Site Audit
## SEO API All-in-one SEO data API for keyword research, domain authority metrics, organic keywords, competitor analysis, backlink analysis, rank tracking, technical SEO audits, Core Web Vitals, and content gap analysis. Built for developers, SEO agencies, marketing teams, SaaS dashboards, internal growth tools, and automated SEO reporting workflows that need structured SEO data through simple…
SEO Keyword Research, Domain Authority, Backlinks Site Audit endpoints
| Method | Endpoint | Description |
|---|---|---|
| Domain | ||
| GET |
domain_competitors /domain/competitors |
Identify competing domains using keyword overlap, authority score, and organic traffic metrics for competitor analysis. (100 + limit units, default 110) |
| GET |
domain_organic_keywords /domain/organic-keywords |
Retrieve the organic keywords a domain ranks for, including SERP positions, search volume, traffic estimates, and ranking URLs. (100 + limit units, default 110) |
| GET |
domain_profile /domain/profile |
Retrieve WHOIS-style domain profile data including registration date, expiry date, domain age, registrar, nameservers, and status codes. (1 unit) |
| GET |
domain_authority /domain/authority |
Retrieve domain authority score, spam score, referring domains, backlinks, organic keywords, and organic traffic estimates for SEO reporting and competitor analysis. (100 units) |
| Keyword | ||
| GET |
keyword_questions /keyword/questions |
Retrieve question-based keyword ideas, People Also Ask style queries, search volume, difficulty, CPC, and search intent for content planning. (100 + limit units, default 110) |
| GET |
keyword_rank_check /keyword/rank-check |
Check a domain's Google SERP position for a keyword across desktop or mobile, with depth options for top 10 or top 100 results. (20 units at depth=10, 155 units at depth=100… |
| GET |
keyword_suggestions /keyword/suggestions |
Find related keywords, long-tail keyword ideas, keyword variations, search volume, difficulty, CPC, and search intent. (100 + limit units, default 110) |
| GET |
keyword_volume /keyword/volume |
Retrieve keyword search volume, keyword difficulty, CPC, competition level, search intent, and monthly trend data for keyword research. (100 units) |
| Backlink | ||
| GET |
backlink_summary /backlink/summary |
Retrieve backlink totals, referring domains, referring IPs, dofollow ratio, broken backlinks, spam score, and new/lost backlink trends. Requires Pro plan or higher. (200 units) |
| GET |
backlink_referring_domains /backlink/referring-domains |
List referring domains with authority scores, backlink counts, discovery dates, link status, and dofollow/nofollow attributes. Requires Pro plan or higher. (200 + limit units,… |
| GET |
backlink_top_anchors /backlink/top-anchors |
Analyze top anchor text by backlink count, referring domains, dofollow count, and nofollow count. Requires Pro plan or higher. (200 + limit units, default 210) |
| Page | ||
| GET |
page_overview /page/overview |
Extract page title, meta description, headings, images, internal links, external links, structured data, hreflang, Open Graph tags, Twitter Card data, word count, and language.… |
| GET |
page_redirect_chain /page/redirect-chain |
Follow redirects from a source URL to the final destination, including status codes, response times, total hops, redirect loops, and excessive-hop issues. (1 unit) |
| GET |
page_audit /page/audit |
Run an on-page SEO audit with scoring and issue detection for title tags, meta descriptions, headings, images, links, canonicals, robots directives, structured data, mobile… |
| GET |
page_speed /page/speed |
Retrieve Core Web Vitals, Lighthouse category scores, lab metrics, field data, and performance opportunities for mobile or desktop. (1 unit) |
| Content | ||
| GET |
content_gap /content/gap |
Identify keywords competitors rank for but your domain does not, including competitor position, search volume, difficulty, and ranking URL. (100 + limit units, default 110) |
| System | ||
| GET |
health_check /health |
Return current SEO API health status. No authentication required. |
SEO Keyword Research, Domain Authority, Backlinks Site Audit pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $49.99 / month | 3 / second |
|
| ULTRA | $149.99 / month | 8 / second |
|
| MEGA | $299.99 / month | 20 / second |
|