Returns a list of providers suggestions matching the query term.

Example response

{
  "data": [
    {
      "id": "15947",
      "type": "provider_suggestions",
      "attributes": {
        "name": "Oxford Brookes University",
        "code": "O66"
      }
    }
  ],
  "jsonapi": {
    "version": "1.0"
  }
}