curl --request POST \
  --url https://algolia_application_id.algolia.net/1/indexes/ALGOLIA_INDEX_NAME/synonyms/search \
  --header 'accept: application/json' \
  --header 'content-type: application/json' \
  --header 'x-algolia-api-key: ALGOLIA_API_KEY' \
  --header 'x-algolia-application-id: ALGOLIA_APPLICATION_ID' \
  --data '
{
  "query": "",
  "type": "onewaysynonym",
  "page": 0,
  "hitsPerPage": 20
}
'

{
  "hits": [
    {
      "objectID": "synonymID",
      "type": "onewaysynonym",
      "corrections": [
        "vehicle",
        "auto"
      ],
      "input": "car",
      "placeholder": "<Street>",
      "replacements": [
        "street",
        "st"
      ],
      "synonyms": [
        "vehicle",
        "auto"
      ],
      "word": "car"
    }
  ],
  "nbHits": 20
}