ElasticSearch API Pagination

charities.js

// request url: http://supporter.dev/api/v2/search/charities?q=is%20a&page=2&page_size=2

{
  "charities": [
    {
      "id": 6403,
      "name": "1 STEP 2 HOPE",
      "slug": "1-step-2-hope",
      "cause_ids": [
        16
      ],
      "country_code": "us",
      "description": null,
      "logo_url": null,
      "url": "http://localhost:3000/charity/view?charity=273949762",
      "active": true,
      "campaign_uids": [
        "au-0",
        "us-0",
        "us-d0731eeb-3080-47e5-9dd5-983b674ce9d6"
      ],
      "kyc_status": "pending",
      "claimed": false,
      "tax_number": "273949762",
      "street_address": "3600 ESTACADO LN",
      "locality": "PLANO",
      "region": "Texas",
      "_score": 0.00024623884,
      "_type": "charity",
      "_sort": null
    },
    {
      "id": 6404,
      "name": "1 WISER CONSUMER EDUCATION INC",
      "slug": "1-wiser-consumer-education-inc",
      "cause_ids": [],
      "country_code": "us",
      "description": null,
      "logo_url": null,
      "url": "http://localhost:3000/charity/view?charity=273842735",
      "active": true,
      "campaign_uids": [
        "au-0",
        "us-0",
        "us-d0731eeb-3080-47e5-9dd5-983b674ce9d6"
      ],
      "kyc_status": "pending",
      "claimed": false,
      "tax_number": "273842735",
      "street_address": "PO BOX 191",
      "locality": "KRUM",
      "region": "Texas",
      "_score": 0.00024623884,
      "_type": "charity",
      "_sort": null
    }
  ],
  "meta": {
    "facets": {},
    "pagination": {
      "current_page": 2,
      "count": 36,
      "total_pages": 19,
      "first_page": false,
      "last_page": false
    }
  }
}