RankRadar
RankRadar is a complete SEO analysis toolkit that gives developers and content teams everything they need to optimize web content for search engines — keyword analysis, readability scoring, heading structure validation, meta tag optimization, link auditing, keyword density checking, title scoring, slug generation, schema markup suggestions, and competitor keyword comparison. Most SEO tools are…
1 subscribers
8.8/10 popularity
124 ms avg latency
87% success rate
12 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
RankRadar endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST |
SEO Keyword Analysis /api/v1/seo/keywords |
Extract top keywords, bigrams, and trigrams from any content with density percentages. Includes target keyword tracking with placement analysis — checks if your keyword appears… |
| POST |
SEO Readability Score /api/v1/seo/readability |
SEO-focused readability scoring. Returns Flesch Reading Ease, grade level, transition word percentage, passive voice percentage, long sentence and paragraph counts, and… |
| POST |
Heading Structure Analysis /api/v1/seo/headings |
Analyze H1-H6 heading hierarchy for SEO best practices. Detects missing H1 tags, duplicate H1s, skipped heading levels, and checks if your target keyword appears in headings.… |
| POST |
Meta Tag Analyzer /api/v1/seo/meta |
Analyze your page title and meta description for SEO optimization. Checks character length, keyword presence, power words, call-to-action phrases, and Google truncation risk.… |
| POST |
Link Analysis /api/v1/seo/links |
Extract and analyze all links from HTML content. Returns internal vs external link counts, nofollow detection, and flags poor anchor text like "click here" or "read more."… |
| POST |
Content Length Analysis /api/v1/seo/word-count |
Score your content length against SEO benchmarks. Detects thin content (under 300 words), compares against top-ranking page averages (1200-2000 words), and provides reading time… |
| POST |
Keyword Density Checker /api/v1/seo/keyword-density |
Check the density of specific target keywords in your content. Returns exact counts, density percentages, placement analysis (first paragraph, first sentence, last paragraph),… |
| POST |
Title Tag Analyzer /api/v1/seo/title-analyzer |
Deep analysis of page titles for SEO and click-through rate. Scores based on length, keyword position, power words, numbers, brackets, emotional triggers, and brand separators.… |
| POST |
SEO Slug Generator /api/v1/seo/slug-generator |
Generate clean, SEO-friendly URL slugs from any title or text. Automatically removes stop words, special characters, and extra hyphens. Respects your max length setting and… |
| POST |
Schema Markup Suggester /api/v1/seo/schema-suggest |
Auto-detects your page type (article, product, recipe, FAQ, how-to, event, local business) and suggests the correct JSON-LD structured data markup. Returns ready-to-use schema… |
| POST |
Competitor Keyword Compare /api/v1/seo/competitor-words |
Compare your keyword usage against a competitor's content side by side. Finds keywords they use that you're missing, shared keywords with density comparison, and unique keyword… |
| POST |
Full SEO Audit /api/v1/seo/audit |
Run every analysis module in a single call — keywords, readability, headings, links, content length, and schema detection. Returns an overall SEO score, all individual results,… |
RankRadar pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO Recommended | $19.99 / month | 10 / second |
|
| ULTRA | $59.99 / month | 25 / second |
|
| MEGA | $179.99 / month | 60 / second |
|
