OpenSearch/watcher/rest-api-spec/api/info.json

{
  "info": {
    "documentation": "This file is copied from es core because the REST test framework requires it",
    "methods": ["GET"],
    "url": {
      "path": "/",
      "paths": ["/"],
      "parts": {
      },
      "params": {
      }
    },
    "body": null
  }
}