Chilkat Online Tools

DataFlex / Twitter API v2 / User by Username

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Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Boolean iSuccess
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    String sDetail
    String sTitle
    String sResource_type
    String sParameter
    String sValue
    String sV_type
    Integer i
    Integer iCount_i
    String sTemp1

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // Adds the "Authorization: Bearer <access_token>" header.
    Set ComAuthToken Of hoHttp To "<access_token>"

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComQuickGetSb Of hoHttp "https://api.twitter.com/2/users/by/username/:username" vSbResponseBody To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComLastStatus Of hoHttp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComLastHeader Of hoHttp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Procedure_Return
    End

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "errors": [
    //     {
    //       "detail": "Could not find user with username: [TwitterDec].",
    //       "title": "Not Found Error",
    //       "resource_type": "user",
    //       "parameter": "username",
    //       "value": "TwitterDec",
    //       "type": "https://api.twitter.com/2/problems/resource-not-found"
    //     }
    //   ]
    // }

    // Sample code for parsing the JSON response...
    // Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

    Move 0 To i
    Get ComSizeOfArray Of hoJResp "errors" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJResp To i
        Get ComStringOf Of hoJResp "errors[i].detail" To sDetail
        Get ComStringOf Of hoJResp "errors[i].title" To sTitle
        Get ComStringOf Of hoJResp "errors[i].resource_type" To sResource_type
        Get ComStringOf Of hoJResp "errors[i].parameter" To sParameter
        Get ComStringOf Of hoJResp "errors[i].value" To sValue
        Get ComStringOf Of hoJResp "errors[i].type" To sV_type
        Move (i + 1) To i
    Loop



End_Procedure

Curl Command

curl -X GET
	-H "Authorization: Bearer <access_token>"
https://api.twitter.com/2/users/by/username/:username

Postman Collection Item JSON

{
  "name": "User by Username",
  "request": {
    "method": "GET",
    "header": [
    ],
    "url": {
      "raw": "https://api.twitter.com/2/users/by/username/:username",
      "protocol": "https",
      "host": [
        "api",
        "twitter",
        "com"
      ],
      "path": [
        "2",
        "users",
        "by",
        "username",
        ":username"
      ],
      "query": [
        {
          "key": "user.fields",
          "value": "",
          "description": "Comma-separated fields for the user object.\n\nAllowed values:\ncreated_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld\n\nDefault values:\nid,name,username",
          "disabled": true
        },
        {
          "key": "expansions",
          "value": "",
          "description": "Expansions enable requests to expand an ID into a full object in the includes response object.\n\nAllowed value:\npinned_tweet_id\n\nDefault value: none",
          "disabled": true
        },
        {
          "key": "tweet.fields",
          "value": "",
          "description": "Comma-separated list of fields for the Tweet object. Expansion required.\n\nAllowed values:\nattachments,author_id,context_annotations,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,non_public_metrics,organic_metrics,possibly_sensitive,promoted_metrics,public_metrics,referenced_tweets,source,text,withheld\n\nDefault values:\nid,text\n\nOAuth1.0a User Context authorization required if any of the following fields are included in the request:\nnon_public_metrics,organic_metrics,promoted_metrics",
          "disabled": true
        }
      ],
      "variable": [
        {
          "key": "username",
          "value": "",
          "type": "string",
          "description": "Required. Enter a single Twitter username (handle)."
        }
      ]
    },
    "description": "This endpoint returns details about a user by username.\n\nFor full details, see the [API reference](https://developer.twitter.com/en/docs/twitter-api/users/lookup/api-reference/get-users-by-username-username) for this endpoint.\n\n[Sign up](https://t.co/signup) for the Twitter API"
  },
  "response": [
    {
      "name": "200 Success - User Not Found",
      "originalRequest": {
        "method": "GET",
        "header": [
        ],
        "url": {
          "raw": "https://api.twitter.com/2/users/by/username/:username",
          "protocol": "https",
          "host": [
            "api",
            "twitter",
            "com"
          ],
          "path": [
            "2",
            "users",
            "by",
            "username",
            ":username"
          ],
          "query": [
            {
              "key": "user.fields",
              "value": "",
              "description": "created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld",
              "disabled": true
            },
            {
              "key": "expansions",
              "value": "",
              "description": "pinned_tweet_id",
              "disabled": true
            },
            {
              "key": "tweet.fields",
              "value": "",
              "description": "attachments,author_id,context_annotations,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,non_public_metrics,organic_metrics,possibly_sensitive,promoted_metrics,public_metrics,referenced_tweets,source,text,withheld",
              "disabled": true
            }
          ],
          "variable": [
            {
              "key": "username",
              "value": "TwitterDec"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "content-disposition",
          "value": "attachment; filename=json.json"
        },
        {
          "key": "content-encoding",
          "value": "gzip"
        },
        {
          "key": "content-length",
          "value": "184"
        },
        {
          "key": "content-type",
          "value": "application/json; charset=utf-8"
        },
        {
          "key": "date",
          "value": "Fri, 26 Jun 2020 15:32:08 GMT"
        },
        {
          "key": "server",
          "value": "tsa_b"
        },
        {
          "key": "strict-transport-security",
          "value": "max-age=631138519"
        },
        {
          "key": "x-access-level",
          "value": "read"
        },
        {
          "key": "x-connection-hash",
          "value": "bf6b8cccb0bc95bc56a50be4db9a2d09"
        },
        {
          "key": "x-content-type-options",
          "value": "nosniff"
        },
        {
          "key": "x-frame-options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "x-rate-limit-limit",
          "value": "15"
        },
        {
          "key": "x-rate-limit-remaining",
          "value": "4"
        },
        {
          "key": "x-rate-limit-reset",
          "value": "1593186139"
        },
        {
          "key": "x-response-time",
          "value": "207"
        },
        {
          "key": "x-xss-protection",
          "value": "0"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"errors\": [\n        {\n            \"detail\": \"Could not find user with username: [TwitterDec].\",\n            \"title\": \"Not Found Error\",\n            \"resource_type\": \"user\",\n            \"parameter\": \"username\",\n            \"value\": \"TwitterDec\",\n            \"type\": \"https://api.twitter.com/2/problems/resource-not-found\"\n        }\n    ]\n}"
    },
    {
      "name": "200 Success - Request Fields for User and Expanded Pinned Tweet",
      "originalRequest": {
        "method": "GET",
        "header": [
        ],
        "url": {
          "raw": "https://api.twitter.com/2/users/by/username/:username?user.fields=created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,url,username,verified,withheld&expansions=pinned_tweet_id&tweet.fields=attachments,author_id,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,possibly_sensitive,referenced_tweets,source,text,withheld",
          "protocol": "https",
          "host": [
            "api",
            "twitter",
            "com"
          ],
          "path": [
            "2",
            "users",
            "by",
            "username",
            ":username"
          ],
          "query": [
            {
              "key": "user.fields",
              "value": "created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,url,username,verified,withheld",
              "description": "created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld"
            },
            {
              "key": "expansions",
              "value": "pinned_tweet_id",
              "description": "pinned_tweet_id"
            },
            {
              "key": "tweet.fields",
              "value": "attachments,author_id,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,possibly_sensitive,referenced_tweets,source,text,withheld",
              "description": "attachments,author_id,context_annotations,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,non_public_metrics,organic_metrics,possibly_sensitive,promoted_metrics,public_metrics,referenced_tweets,source,text,withheld"
            }
          ],
          "variable": [
            {
              "key": "username",
              "value": "TwitterDev"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "content-disposition",
          "value": "attachment; filename=json.json"
        },
        {
          "key": "content-encoding",
          "value": "gzip"
        },
        {
          "key": "content-length",
          "value": "1012"
        },
        {
          "key": "content-type",
          "value": "application/json; charset=utf-8"
        },
        {
          "key": "date",
          "value": "Fri, 26 Jun 2020 15:29:38 GMT"
        },
        {
          "key": "server",
          "value": "tsa_b"
        },
        {
          "key": "strict-transport-security",
          "value": "max-age=631138519"
        },
        {
          "key": "x-access-level",
          "value": "read"
        },
        {
          "key": "x-connection-hash",
          "value": "bf6b8cccb0bc95bc56a50be4db9a2d09"
        },
        {
          "key": "x-content-type-options",
          "value": "nosniff"
        },
        {
          "key": "x-frame-options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "x-rate-limit-limit",
          "value": "15"
        },
        {
          "key": "x-rate-limit-remaining",
          "value": "8"
        },
        {
          "key": "x-rate-limit-reset",
          "value": "1593186139"
        },
        {
          "key": "x-response-time",
          "value": "253"
        },
        {
          "key": "x-xss-protection",
          "value": "0"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"data\": {\n        \"created_at\": \"2013-12-14T04:35:55.000Z\",\n        \"description\": \"The voice of Twitter's #DevRel team, and your official source for updates, news, & events about Twitter's API. \\n\\n#BlackLivesMatter\",\n        \"entities\": {\n            \"url\": {\n                \"urls\": [\n                    {\n                        \"start\": 0,\n                        \"end\": 23,\n                        \"url\": \"https://t.co/3ZX3TNiZCY\",\n                        \"expanded_url\": \"https://developer.twitter.com/en/community\",\n                        \"display_url\": \"developer.twitter.com/en/community\"\n                    }\n                ]\n            },\n            \"description\": {\n                \"hashtags\": [\n                    {\n                        \"start\": 23,\n                        \"end\": 30,\n                        \"tag\": \"DevRel\"\n                    },\n                    {\n                        \"start\": 113,\n                        \"end\": 130,\n                        \"tag\": \"BlackLivesMatter\"\n                    }\n                ]\n            }\n        },\n        \"id\": \"2244994945\",\n        \"location\": \"127.0.0.1\",\n        \"name\": \"Twitter Dev\",\n        \"pinned_tweet_id\": \"1255542774432063488\",\n        \"profile_image_url\": \"https://pbs.twimg.com/profile_images/1267175364003901441/tBZNFAgA_normal.jpg\",\n        \"protected\": false,\n        \"url\": \"https://t.co/3ZX3TNiZCY\",\n        \"username\": \"TwitterDev\",\n        \"verified\": true\n    },\n    \"includes\": {\n        \"tweets\": [\n            {\n                \"author_id\": \"2244994945\",\n                \"conversation_id\": \"1255542774432063488\",\n                \"created_at\": \"2020-04-29T17:01:38.000Z\",\n                \"entities\": {\n                    \"urls\": [\n                        {\n                            \"start\": 264,\n                            \"end\": 287,\n                            \"url\": \"https://t.co/BPqMcQzhId\",\n                            \"expanded_url\": \"https://blog.twitter.com/developer/en_us/topics/tools/2020/covid19_public_conversation_data.html\",\n                            \"display_url\": \"blog.twitter.com/developer/en_u…\",\n                            \"images\": [\n                                {\n                                    \"url\": \"https://pbs.twimg.com/news_img/1274730688919613440/SEsqlE16?format=jpg&name=orig\",\n                                    \"width\": 1600,\n                                    \"height\": 600\n                                },\n                                {\n                                    \"url\": \"https://pbs.twimg.com/news_img/1274730688919613440/SEsqlE16?format=jpg&name=150x150\",\n                                    \"width\": 150,\n                                    \"height\": 150\n                                }\n                            ],\n                            \"status\": 200,\n                            \"title\": \"Enabling study of the public conversation in a time of crisis\",\n                            \"description\": \"To further support our company’s ongoing efforts, we want to enable developers and researchers to study the public conversation on COVID-19 in real-time.\",\n                            \"unwound_url\": \"https://blog.twitter.com/developer/en_us/topics/tools/2020/covid19_public_conversation_data.html\"\n                        }\n                    ]\n                },\n                \"id\": \"1255542774432063488\",\n                \"lang\": \"en\",\n                \"possibly_sensitive\": false,\n                \"source\": \"Twitter Web App\",\n                \"text\": \"During these unprecedented times, what’s happening on Twitter can help the world better understand &amp; respond to the pandemic. \\n\\nWe're launching a free COVID-19 stream endpoint so qualified devs &amp; researchers can study the public conversation in real-time. https://t.co/BPqMcQzhId\"\n            }\n        ]\n    }\n}"
    },
    {
      "name": "429 Rate Limit Exceeded",
      "originalRequest": {
        "method": "GET",
        "header": [
        ],
        "url": {
          "raw": "https://api.twitter.com/2/users/by/username/:username?user.fields=created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld&expansions=pinned_tweet_id&tweet.fields=attachments,author_id,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,possibly_sensitive,referenced_tweets,source,text,withheld",
          "protocol": "https",
          "host": [
            "api",
            "twitter",
            "com"
          ],
          "path": [
            "2",
            "users",
            "by",
            "username",
            ":username"
          ],
          "query": [
            {
              "key": "user.fields",
              "value": "created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld",
              "description": "created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld"
            },
            {
              "key": "expansions",
              "value": "pinned_tweet_id",
              "description": "pinned_tweet_id"
            },
            {
              "key": "tweet.fields",
              "value": "attachments,author_id,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,possibly_sensitive,referenced_tweets,source,text,withheld",
              "description": "attachments,author_id,context_annotations,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,non_public_metrics,organic_metrics,possibly_sensitive,promoted_metrics,public_metrics,referenced_tweets,source,text,withheld"
            }
          ],
          "variable": [
            {
              "key": "username",
              "value": "TwitterDev"
            }
          ]
        }
      },
      "status": "Too Many Requests",
      "code": 429,
      "_postman_previewlanguage": "plain",
      "header": [
        {
          "key": "content-encoding",
          "value": "gzip"
        },
        {
          "key": "content-length",
          "value": "46"
        },
        {
          "key": "content-type",
          "value": "text/plain;charset=utf-8"
        },
        {
          "key": "date",
          "value": "Fri, 26 Jun 2020 15:18:23 GMT"
        },
        {
          "key": "server",
          "value": "tsa_b"
        },
        {
          "key": "strict-transport-security",
          "value": "max-age=631138519"
        },
        {
          "key": "x-connection-hash",
          "value": "bf6b8cccb0bc95bc56a50be4db9a2d09"
        },
        {
          "key": "x-rate-limit-limit",
          "value": "15"
        },
        {
          "key": "x-rate-limit-remaining",
          "value": "0"
        },
        {
          "key": "x-rate-limit-reset",
          "value": "1593185073"
        },
        {
          "key": "x-response-time",
          "value": "7"
        }
      ],
      "cookie": [
      ],
      "body": "Rate limit exceeded\n"
    },
    {
      "name": "200 Success - Default Payload",
      "originalRequest": {
        "method": "GET",
        "header": [
        ],
        "url": {
          "raw": "https://api.twitter.com/2/users/by/username/:username",
          "protocol": "https",
          "host": [
            "api",
            "twitter",
            "com"
          ],
          "path": [
            "2",
            "users",
            "by",
            "username",
            ":username"
          ],
          "query": [
            {
              "key": "user.fields",
              "value": "",
              "description": "created_at,description,entities,id,location,name,pinned_tweet_id,profile_image_url,protected,public_metrics,url,username,verified,withheld",
              "disabled": true
            },
            {
              "key": "expansions",
              "value": "",
              "description": "pinned_tweet_id",
              "disabled": true
            },
            {
              "key": "tweet.fields",
              "value": "",
              "description": "attachments,author_id,context_annotations,conversation_id,created_at,entities,geo,id,in_reply_to_user_id,lang,non_public_metrics,organic_metrics,possibly_sensitive,promoted_metrics,public_metrics,referenced_tweets,source,text,withheld",
              "disabled": true
            }
          ],
          "variable": [
            {
              "key": "username",
              "value": "TwitterDev"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "content-disposition",
          "value": "attachment; filename=json.json"
        },
        {
          "key": "content-encoding",
          "value": "gzip"
        },
        {
          "key": "content-length",
          "value": "83"
        },
        {
          "key": "content-type",
          "value": "application/json; charset=utf-8"
        },
        {
          "key": "date",
          "value": "Fri, 26 Jun 2020 15:31:35 GMT"
        },
        {
          "key": "server",
          "value": "tsa_b"
        },
        {
          "key": "strict-transport-security",
          "value": "max-age=631138519"
        },
        {
          "key": "x-access-level",
          "value": "read"
        },
        {
          "key": "x-connection-hash",
          "value": "bf6b8cccb0bc95bc56a50be4db9a2d09"
        },
        {
          "key": "x-content-type-options",
          "value": "nosniff"
        },
        {
          "key": "x-frame-options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "x-rate-limit-limit",
          "value": "15"
        },
        {
          "key": "x-rate-limit-remaining",
          "value": "6"
        },
        {
          "key": "x-rate-limit-reset",
          "value": "1593186139"
        },
        {
          "key": "x-response-time",
          "value": "37"
        },
        {
          "key": "x-xss-protection",
          "value": "0"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"data\": {\n        \"id\": \"2244994945\",\n        \"name\": \"Twitter Dev\",\n        \"username\": \"TwitterDev\"\n    }\n}"
    }
  ]
}