Try any of 2272 endpoints — live.
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The makes otomoto itself lists on a section's landing page, ranked by how many live ads each one carries, with the exact slug a search needs. This is otomoto's own published shortlist, not its full make register — it is as long as otomoto makes it (20 entries on the cars section, measured), and `count` says how many came back. Use it to get a slug right before searching, because otomoto silently ignores a make it does not recognise and answers with the whole section instead. Passing a make returns that make's model shortlist instead, each model with its slug and live ad count.
curl -X POST https://api.reefapi.com/otomoto/v1/makes \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{}'Hit Send to run this endpoint live.