FoxData Open API
My License
My License
  1. 1. application Services
  • I. Quick Start
    • 1. API Overview
    • 2. Quick Start
    • 3. Authorization
    • 4. Request & Response
    • 5. Rate Limiting
  • II. List of Interfaces
    • 1. application Services
      • 1001-App-Basic Info
        POST
      • 1002-App-Extended Info
        POST
      • 1003-App-Visibility Score
        POST
      • 1004-App-Apps by Same Developer
        POST
      • 1005-App-Ranking History
        POST
      • 1006-App-Featured Recommendations
        POST
      • 1007-App-Ratings & Reviews
        POST
      • 1008-App-Version History
        POST
      • 1009-App-Competitor Comparison
        POST
      • 1010-App-Competitor Bidding
        POST
      • 1011-App-Covered Keywords
        POST
      • 1012-App-Keyword Expansion
        POST
      • 1013-App-Bidding Keywords
        POST
      • 1014-App-Bidding Keyword Periodic Monitoring-Task Initiation
        POST
      • 1014-App-Bidding Keyword Periodic Monitoring-Task Retrieval
        POST
      • 1014-App-Bidding Keyword Periodic Monitoring-Data Retrieval
        POST
      • 1015-App-CPP Ad Creatives
        POST
      • 1016-App-App Tags
        POST
      • 1017-App-Download & Revenue Estimates
        POST
      • 1018-App-Smart Keyword Recommendations
        POST
      • 1019-App-Active Users
        POST
      • 1020-App-Basic Info (Advanced)
        POST
      • 1021-App-CPP Keywords
        POST
    • 2. Market Services
      • 2001-Market-Realtime Charts
      • 2002-Market-Global Chart Analysis
      • 2003-Market-Search Volume Charts
      • 2004-Market-Download & Revenue Charts
      • 2005-Market-Active Users & Customers
      • 2006-Market-App Release Monitoring
      • 2007-Market-Cleared Keyword Monitoring
      • 2008-Market-Cleared Ranking Monitoring
      • 2009-Market-App Delisting Monitoring
    • 3. ASA Services
      • 3001-Ad-Bidding Apps
      • 3002-Ad-Bidding Keywords
      • 3003-Ad-Bidding Keyword Analysis
      • 3004-Ad-CPPs
      • 3005-ASA Tab Rate Task
      • 3005-ASA Tab Rate Result
    • 4. Kerword research Services
      • 4001-Keyword Search
      • 4002-Keyword Expansion
      • 4003-Keyword Search Details
      • 4004-App-App Keywords
    • 9. Other Services
      • 9001-Paginated Query API
  • III. Data Dictionary and Definitions
    • 1. Application Classification Code
    • 2. Time and Location Information
    • 3. Regional Language Comparison Chart
    • 4. Explanation of Data Update Frequency
  • IV. Appendix
    • 1. Release Notes
    • 2. FAQ
    • 3. Contact and Support
  1. 1. application Services

1011-App-Covered Keywords

Developing
POST
/keyword/metrics
Query app keyword metrics (correlation, rank, search volume, result count, traffic share, tags, etc.).

Request

Authorization
Add parameter in header
x-openapi-key
Example:
x-openapi-key: ********************
Body Params application/json

Example
{
  "appId": "835599320",
  "metrics": [
    "CORRELATION",
    "RANK",
    "CHANCE",
    "DIFFICULTY",
    "INSTALL",
    "VOLUME",
    "RESULTS",
    "TAG"
  ],
  "device": "IPHONE",
  "region": "US",
  "date": "2026-07-14",
  "sortBy": "CORRELATION",
  "limit": "ALL"
}

Request Code Samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location 'https://api.foxdata.com/apiv1/open-api/keyword/metrics' \
--header 'x-openapi-key: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "appId": "835599320",
  "metrics": [
    "CORRELATION",
    "RANK",
    "CHANCE",
    "DIFFICULTY",
    "INSTALL",
    "VOLUME",
    "RESULTS",
    "TAG"
  ],
  "device": "IPHONE",
  "region": "US",
  "date": "2026-07-14",
  "sortBy": "CORRELATION",
  "limit": "ALL"
}'

Responses

🟢200Success
application/json
Bodyapplication/json

Example
{
  "requestParam": {
    "appId": "835599320",
    "region": "US",
    "device": "IPHONE",
    "metrics": [
      "CORRELATION",
      "RANK",
      "CHANCE",
      "DIFFICULTY",
      "INSTALL",
      "VOLUME",
      "RESULTS",
      "TAG"
    ],
    "keywords": null,
    "limit": "TOP_200"
  },
  "result": {
    "keywords": [
      {
        "keyword": "tik",
        "ranking": {
          "status": null,
          "num": null,
          "trend": [
            135,
            135,
            133
          ]
        },
        "corr": 100,
        "searchVolume": {
          "num": 71,
          "trend": [
            70,
            71,
            71
          ]
        },
        "searchResults": {
          "num": 184,
          "apps": [
            "835599320",
            "389801252",
            "447188370"
          ]
        },
        "chance": 66,
        "diff": 54,
        "install": {
          "top5": [
            "835599320",
            "389801252",
            "447188370",
            "333903271",
            "544007664"
          ],
          "per": 0.8772,
          "value": 4473
        },
        "tag": {
          "isAsa": true,
          "isBrand": true,
          "asaApps": [
            "284815942",
            "535886823",
            "6451504705"
          ],
          "brandApps": [
            "1596140572",
            "6502126302",
            "6720712299",
            "6753927915"
          ],
          "meta": [
            "APP_NAME"
          ]
        }
      }
    ],
    "dates": [
      "2025-11-28",
      "2025-11-29",
      "2025-11-30",
      "2025-12-01",
      "2025-12-02",
      "2025-12-03",
      "2025-12-04"
    ],
    "iconPrefix": "https://is1-ssl.mzstatic.com/image/thumb",
    "appInfoMap": {
      "282614216": {
        "appName": "eBay online shopping & selling",
        "icon": "/Purple211/v4/36/c0/c4/36c0c492-bde2-897b-5f9e-b30f4553c274/AppIcon-0-0-1x_U007epad-0-1-0-85-220.png/88x88w.png"
      },
      "284815942": {
        "appName": "Google",
        "icon": "/Purple221/v4/60/74/91/607491e0-6103-0313-b438-478b01eec73d/logo_gsa_gradient_ios_color-0-1x_U007epad-0-0-0-1-0-0-sRGB-0-0-85-220-0.png/88x88w.png"
      },
      "284882215": {
        "appName": "Facebook",
        "icon": "/Purple211/v4/7a/01/59/7a01597f-482a-1736-35fe-9aa0432aadab/Icon-Production-0-0-1x_U007epad-0-1-0-85-220.png/88x88w.png"
      }
    }
  },
  "creditsCost": {
    "requestCredits": 0,
    "baseCredits": 500,
    "extraCredits": 0,
    "totalCostCredits": 500
  },
  "next": null
}
Modified at 2026-07-15 09:27:29
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1010-App-Competitor Bidding
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1012-App-Keyword Expansion
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