docs / seo-toolkit

SEO Toolkit

Keyword ideas, rank tracking and SERP analysis.

base /seo-toolkit/v14 endpoints

post/seo-toolkit/v1/keyword_suggestions1 credit

Keyword ideas from Google/Bing autocomplete; depth=deep does alphabet-soup + question-prefix expansion (100s of ideas from one seed). 'url' derives the seed from a page's topic (keywords-by-URL); 'questions=true' returns PAA-style question keywords

Parameter	Required
seed	optional
url	optional
source	optional
depth	optional
questions	optional
hl	optional
gl	optional
limit	optional

Try in playground →

post/seo-toolkit/v1/rank_tracking2 credits

A domain's organic SERP position for a keyword (scans up to 100 results; retries on fresh IP)

Parameter	Required
domain	required
keyword	required
geo	optional
hl	optional
depth	optional

Try in playground →

post/seo-toolkit/v1/serp_competitors2 credits

Top domains ranking for a keyword (best position + appearances)

Parameter	Required
keyword	required
geo	optional
hl	optional
num	optional

Try in playground →

post/seo-toolkit/v1/keyword_volume1 credit

Relative popularity ESTIMATE (0-100) from Trends interest + autocomplete signals + trend direction — confidence LOW; NOT absolute monthly volume

Parameter	Required
keyword	required
geo	optional
hl	optional

Try in playground →

Example request · keyword_suggestions

curl -X POST https://api.reefapi.com/seo-toolkit/v1/keyword_suggestions \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"seed":"running shoes","depth":"shallow"}'

Response shape

{
  "ok": true,
  "data": { /* the result */ },
  "meta": {
    "latency_ms": 240,
    "record_count": 12,
    "completeness_pct": 100
  },
  "error": null
}