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post/selency/v1/similar2 credits

The listings selency itself considers closest to a given one, with its own similarity distance on each. This is the practical substitute for comparable sold prices on a source where every piece is unique and nothing is kept after it sells: it answers 'what else like this is on the market, and at what price'. The source caps the set at 20 and reports `total: 20` whatever the real number is, so that cap is declared rather than passed off as a count.

Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/selency/v1/similar \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"id":"H5H72TBH","language":"en"}'

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What you can run here, without an account

ReefAPI is one HTTP gateway to 438 live web-data APIs covering 2778 endpoints across 14 categories. Every endpoint answers with the same JSON envelope, so one integration reaches all of them. Each response reports what it cost and when the source was read.

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Coverage by category

ecommerce191
classifieds99
media25
real-estate21
utilities19
developer-tools18
jobs17
reviews15
social12
travel9
finance5
other3
search-seo2
government2