const fetch = require('node-fetch');

let url = 'https://api.coralogix.com/mgmt/openapi/v1/policies';

let options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <API_KEY>', 'content-type': 'application/json'},
  body: '{"name":"My Policy","description":"My Policy Description","priority":"PRIORITY_TYPE_UNSPECIFIED","applicationRule":{"ruleTypeId":"RULE_TYPE_ID_UNSPECIFIED","name":"string"},"subsystemRule":{"ruleTypeId":"RULE_TYPE_ID_UNSPECIFIED","name":"string"},"archiveRetention":{"id":"string"},"logRules":{"severities":["SEVERITY_UNSPECIFIED"]},"spanRules":{"serviceRule":{"ruleTypeId":"RULE_TYPE_ID_UNSPECIFIED","name":"string"},"actionRule":{"ruleTypeId":"RULE_TYPE_ID_UNSPECIFIED","name":"string"},"tagRules":[{"ruleTypeId":"RULE_TYPE_ID_UNSPECIFIED","tagName":"tag_name","tagValue":"tag_value"}]}}'
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error('error:' + err));

{
  "policy": {
    "id": "policy_id",
    "companyId": 1234,
    "name": "My Policy",
    "description": "My Policy Description",
    "priority": "PRIORITY_TYPE_UNSPECIFIED",
    "deleted": false,
    "enabled": true,
    "order": 1,
    "applicationRule": {
      "ruleTypeId": "RULE_TYPE_ID_UNSPECIFIED",
      "name": "<string>"
    },
    "subsystemRule": {
      "ruleTypeId": "RULE_TYPE_ID_UNSPECIFIED",
      "name": "<string>"
    },
    "logRules": {
      "severities": [
        "SEVERITY_UNSPECIFIED"
      ]
    },
    "spanRules": {
      "serviceRule": {
        "ruleTypeId": "RULE_TYPE_ID_UNSPECIFIED",
        "name": "<string>"
      },
      "actionRule": {
        "ruleTypeId": "RULE_TYPE_ID_UNSPECIFIED",
        "name": "<string>"
      },
      "tagRules": [
        {
          "ruleTypeId": "RULE_TYPE_ID_UNSPECIFIED",
          "tagName": "tag_name",
          "tagValue": "tag_value"
        }
      ]
    },
    "createdAt": "2021-01-01T00:00:00.000Z",
    "updatedAt": "2021-01-01T00:00:00.000Z",
    "archiveRetention": {
      "id": "<string>"
    }
  }
}