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VB.NET / Twilio Messaging / SMS / Find available phone numbers

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

Dim http As New Chilkat.Http
Dim success As Boolean

http.BasicAuth = True
http.Login = "{{TWILIO_ACCOUNT_SID}}"
http.Password = "{{TWILIO_AUTH_TOKEN}}"

Dim queryParams As New Chilkat.JsonObject
queryParams.UpdateString("SmsEnabled","true")



Dim resp As Chilkat.HttpResponse = http.QuickRequestParams("GET","https://api.twilio.com/2010-04-01/Accounts/:AccountSid/AvailablePhoneNumbers/:CountryCode/Local.json",queryParams)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



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

' {
'   "available_phone_numbers": [
'     {
'       "address_requirements": "aute eiusmod",
'       "beta": true,
'       "capabilities": {},
'       "friendly_name": "nisi do",
'       "iso_country": "voluptate",
'       "lata": "minim cillum",
'       "latitude": 4649799.109687477,
'       "locality": "in Duis ut anim irure",
'       "longitude": -94614168.65959848,
'       "phone_number": "amet labore",
'       "postal_code": "deserunt esse cillum ut",
'       "rate_center": "velit",
'       "region": "ipsum pariatur cupidatat dolor"
'     },
'     {
'       "address_requirements": "Ut",
'       "beta": true,
'       "capabilities": {},
'       "friendly_name": "ullamco",
'       "iso_country": "in incididunt",
'       "lata": "cillum dolor velit sed",
'       "latitude": -21235506.84035504,
'       "locality": "sint",
'       "longitude": -25668838.90140347,
'       "phone_number": "non adipisicing enim incididunt deserunt",
'       "postal_code": "ut voluptate minim",
'       "rate_center": "velit aliqua",
'       "region": "Excepteur aliquip in nisi"
'     }
'   ],
'   "end": 3504435,
'   "first_page_uri": "http://nnYdJBuOCqryvmKnbvBPBnaNMbCqrxw.tdvyHFVoZISsFUqJvqFT0cg+",
'   "next_page_uri": "http://PoqRnDNQHgsSAILsyYutOtNGDj.qqhjm8TRty6qyZnDJAQcH1Djqzpuv,w5pf+hzR.4snyBz",
'   "page": 90555719,
'   "page_size": 88924560,
'   "previous_page_uri": "https://ArZjnsEHjpSMJWeIOQAYyTOm.ispdr0ZozBph6JkyS4wCN4KsLijal5vGd-yowauXTc55dxOb",
'   "start": -60781383,
'   "uri": "http://BJmswSvlkWlnMst.fiODjnzufdg.eBwAEpkSmwiU.e-Ygm,OFGiH"
' }

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



Dim address_requirements As String
Dim beta As Boolean
Dim friendly_name As String
Dim iso_country As String
Dim lata As String
Dim latitude As String
Dim locality As String
Dim longitude As String
Dim phone_number As String
Dim postal_code As String
Dim rate_center As String
Dim region As String

Dim v_end As Integer = jResp.IntOf("end")
Dim first_page_uri As String = jResp.StringOf("first_page_uri")
Dim next_page_uri As String = jResp.StringOf("next_page_uri")
Dim page As Integer = jResp.IntOf("page")
Dim page_size As Integer = jResp.IntOf("page_size")
Dim previous_page_uri As String = jResp.StringOf("previous_page_uri")
Dim start As Integer = jResp.IntOf("start")
Dim uri As String = jResp.StringOf("uri")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("available_phone_numbers")
While i < count_i
    jResp.I = i
    address_requirements = jResp.StringOf("available_phone_numbers[i].address_requirements")
    beta = jResp.BoolOf("available_phone_numbers[i].beta")
    friendly_name = jResp.StringOf("available_phone_numbers[i].friendly_name")
    iso_country = jResp.StringOf("available_phone_numbers[i].iso_country")
    lata = jResp.StringOf("available_phone_numbers[i].lata")
    latitude = jResp.StringOf("available_phone_numbers[i].latitude")
    locality = jResp.StringOf("available_phone_numbers[i].locality")
    longitude = jResp.StringOf("available_phone_numbers[i].longitude")
    phone_number = jResp.StringOf("available_phone_numbers[i].phone_number")
    postal_code = jResp.StringOf("available_phone_numbers[i].postal_code")
    rate_center = jResp.StringOf("available_phone_numbers[i].rate_center")
    region = jResp.StringOf("available_phone_numbers[i].region")
    i = i + 1
End While

Curl Command

curl -G -d "SmsEnabled=true"
	-u '{{TWILIO_ACCOUNT_SID}}:{{TWILIO_AUTH_TOKEN}}'
https://api.twilio.com/2010-04-01/Accounts/:AccountSid/AvailablePhoneNumbers/:CountryCode/Local.json

Postman Collection Item JSON

{
  "name": "Find available phone numbers",
  "request": {
    "auth": {
      "type": "basic",
      "basic": [
        {
          "key": "password",
          "value": "{{TWILIO_AUTH_TOKEN}}",
          "type": "string"
        },
        {
          "key": "username",
          "value": "{{TWILIO_ACCOUNT_SID}}",
          "type": "string"
        }
      ]
    },
    "method": "GET",
    "header": [
    ],
    "url": {
      "raw": "{{2010-04-01-Accounts-AccountSid-AvailablePhoneNumbers-CountryCode-Local.json-Url}}/2010-04-01/Accounts/:AccountSid/AvailablePhoneNumbers/:CountryCode/Local.json?SmsEnabled=true",
      "host": [
        "{{2010-04-01-Accounts-AccountSid-AvailablePhoneNumbers-CountryCode-Local.json-Url}}"
      ],
      "path": [
        "2010-04-01",
        "Accounts",
        ":AccountSid",
        "AvailablePhoneNumbers",
        ":CountryCode",
        "Local.json"
      ],
      "query": [
        {
          "key": "AreaCode",
          "value": "<integer>",
          "description": "The area code of the phone numbers to read. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "Contains",
          "value": "<string>",
          "description": "The pattern on which to match phone numbers. Valid characters are `*`, `0-9`, `a-z`, and `A-Z`. The `*` character matches any single digit. For examples, see [Example 2](https://www.twilio.com/docs/phone-numbers/api/availablephonenumberlocal-resource?code-sample=code-find-phone-numbers-by-number-pattern) and [Example 3](https://www.twilio.com/docs/phone-numbers/api/availablephonenumberlocal-resource?code-sample=code-find-phone-numbers-by-character-pattern). If specified, this value must have at least two characters.",
          "disabled": true
        },
        {
          "key": "SmsEnabled",
          "value": "true",
          "description": "Whether the phone numbers can receive text messages. Can be: `true` or `false`."
        },
        {
          "key": "MmsEnabled",
          "value": "<boolean>",
          "description": "Whether the phone numbers can receive MMS messages. Can be: `true` or `false`.",
          "disabled": true
        },
        {
          "key": "VoiceEnabled",
          "value": "<boolean>",
          "description": "Whether the phone numbers can receive calls. Can be: `true` or `false`.",
          "disabled": true
        },
        {
          "key": "ExcludeAllAddressRequired",
          "value": "<boolean>",
          "description": "Whether to exclude phone numbers that require an [Address](https://www.twilio.com/docs/usage/api/address). Can be: `true` or `false` and the default is `false`.",
          "disabled": true
        },
        {
          "key": "ExcludeLocalAddressRequired",
          "value": "<boolean>",
          "description": "Whether to exclude phone numbers that require a local [Address](https://www.twilio.com/docs/usage/api/address). Can be: `true` or `false` and the default is `false`.",
          "disabled": true
        },
        {
          "key": "ExcludeForeignAddressRequired",
          "value": "<boolean>",
          "description": "Whether to exclude phone numbers that require a foreign [Address](https://www.twilio.com/docs/usage/api/address). Can be: `true` or `false` and the default is `false`.",
          "disabled": true
        },
        {
          "key": "Beta",
          "value": "<boolean>",
          "description": "Whether to read phone numbers that are new to the Twilio platform. Can be: `true` or `false` and the default is `true`.",
          "disabled": true
        },
        {
          "key": "NearNumber",
          "value": "<string>",
          "description": "Given a phone number, find a geographically close number within `distance` miles. Distance defaults to 25 miles. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "NearLatLong",
          "value": "<string>",
          "description": "Given a latitude/longitude pair `lat,long` find geographically close numbers within `distance` miles. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "Distance",
          "value": "<integer>",
          "description": "The search radius, in miles, for a `near_` query.  Can be up to `500` and the default is `25`. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "InPostalCode",
          "value": "<string>",
          "description": "Limit results to a particular postal code. Given a phone number, search within the same postal code as that number. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "InRegion",
          "value": "<string>",
          "description": "Limit results to a particular region, state, or province. Given a phone number, search within the same region as that number. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "InRateCenter",
          "value": "<string>",
          "description": "Limit results to a specific rate center, or given a phone number search within the same rate center as that number. Requires `in_lata` to be set as well. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "InLata",
          "value": "<string>",
          "description": "Limit results to a specific local access and transport area ([LATA](https://en.wikipedia.org/wiki/Local_access_and_transport_area)). Given a phone number, search within the same [LATA](https://en.wikipedia.org/wiki/Local_access_and_transport_area) as that number. Applies to only phone numbers in the US and Canada.",
          "disabled": true
        },
        {
          "key": "InLocality",
          "value": "<string>",
          "description": "Limit results to a particular locality or city. Given a phone number, search within the same Locality as that number.",
          "disabled": true
        },
        {
          "key": "FaxEnabled",
          "value": "<boolean>",
          "description": "Whether the phone numbers can receive faxes. Can be: `true` or `false`.",
          "disabled": true
        },
        {
          "key": "PageSize",
          "value": "<integer>",
          "description": "How many resources to return in each list page. The default is 50, and the maximum is 1000.",
          "disabled": true
        }
      ],
      "variable": [
        {
          "key": "AccountSid",
          "value": "{{TWILIO_ACCOUNT_SID}}",
          "description": "(Required) The SID of the [Account](https://www.twilio.com/docs/iam/api/account) requesting the AvailablePhoneNumber resources."
        },
        {
          "key": "CountryCode",
          "value": "US",
          "description": "(Required) The [ISO-3166-1](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) country code of the country from which to read phone numbers."
        }
      ]
    },
    "description": "To send an SMS with Twilio you'll first need to buy a phone number. For that you have to search the catalog of available phone numbers.\n\nOnce you have the list of available phone numbers, pick one and use it in the next request to buy the number.\n\nLearn more about this in the [Twilio Docs](https://www.twilio.com/docs/phone-numbers/api/availablephonenumberlocal-resource)."
  },
  "response": [
    {
      "name": "OK",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "description": "Added as a part of security scheme: basic",
            "key": "Authorization",
            "value": "Basic <credentials>"
          }
        ],
        "url": {
          "raw": "{{2010-04-01-Accounts-AccountSid-AvailablePhoneNumbers-CountryCode-Local.json-Url}}/2010-04-01/Accounts/:AccountSid/AvailablePhoneNumbers/:CountryCode/Local.json?AreaCode=<integer>&Contains=<string>&SmsEnabled=<boolean>&MmsEnabled=<boolean>&VoiceEnabled=<boolean>&ExcludeAllAddressRequired=<boolean>&ExcludeLocalAddressRequired=<boolean>&ExcludeForeignAddressRequired=<boolean>&Beta=<boolean>&NearNumber=<string>&NearLatLong=<string>&Distance=<integer>&InPostalCode=<string>&InRegion=<string>&InRateCenter=<string>&InLata=<string>&InLocality=<string>&FaxEnabled=<boolean>&PageSize=<integer>",
          "host": [
            "{{2010-04-01-Accounts-AccountSid-AvailablePhoneNumbers-CountryCode-Local.json-Url}}"
          ],
          "path": [
            "2010-04-01",
            "Accounts",
            ":AccountSid",
            "AvailablePhoneNumbers",
            ":CountryCode",
            "Local.json"
          ],
          "query": [
            {
              "key": "AreaCode",
              "value": "<integer>"
            },
            {
              "key": "Contains",
              "value": "<string>"
            },
            {
              "key": "SmsEnabled",
              "value": "<boolean>"
            },
            {
              "key": "MmsEnabled",
              "value": "<boolean>"
            },
            {
              "key": "VoiceEnabled",
              "value": "<boolean>"
            },
            {
              "key": "ExcludeAllAddressRequired",
              "value": "<boolean>"
            },
            {
              "key": "ExcludeLocalAddressRequired",
              "value": "<boolean>"
            },
            {
              "key": "ExcludeForeignAddressRequired",
              "value": "<boolean>"
            },
            {
              "key": "Beta",
              "value": "<boolean>"
            },
            {
              "key": "NearNumber",
              "value": "<string>"
            },
            {
              "key": "NearLatLong",
              "value": "<string>"
            },
            {
              "key": "Distance",
              "value": "<integer>"
            },
            {
              "key": "InPostalCode",
              "value": "<string>"
            },
            {
              "key": "InRegion",
              "value": "<string>"
            },
            {
              "key": "InRateCenter",
              "value": "<string>"
            },
            {
              "key": "InLata",
              "value": "<string>"
            },
            {
              "key": "InLocality",
              "value": "<string>"
            },
            {
              "key": "FaxEnabled",
              "value": "<boolean>"
            },
            {
              "key": "PageSize",
              "value": "<integer>"
            }
          ],
          "variable": [
            {
              "key": "AccountSid"
            },
            {
              "key": "CountryCode"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n \"available_phone_numbers\": [\n  {\n   \"address_requirements\": \"aute eiusmod\",\n   \"beta\": true,\n   \"capabilities\": {},\n   \"friendly_name\": \"nisi do\",\n   \"iso_country\": \"voluptate\",\n   \"lata\": \"minim cillum\",\n   \"latitude\": 4649799.109687477,\n   \"locality\": \"in Duis ut anim irure\",\n   \"longitude\": -94614168.65959848,\n   \"phone_number\": \"amet labore\",\n   \"postal_code\": \"deserunt esse cillum ut\",\n   \"rate_center\": \"velit\",\n   \"region\": \"ipsum pariatur cupidatat dolor\"\n  },\n  {\n   \"address_requirements\": \"Ut\",\n   \"beta\": true,\n   \"capabilities\": {},\n   \"friendly_name\": \"ullamco\",\n   \"iso_country\": \"in incididunt\",\n   \"lata\": \"cillum dolor velit sed\",\n   \"latitude\": -21235506.84035504,\n   \"locality\": \"sint\",\n   \"longitude\": -25668838.90140347,\n   \"phone_number\": \"non adipisicing enim incididunt deserunt\",\n   \"postal_code\": \"ut voluptate minim\",\n   \"rate_center\": \"velit aliqua\",\n   \"region\": \"Excepteur aliquip in nisi\"\n  }\n ],\n \"end\": 3504435,\n \"first_page_uri\": \"http://nnYdJBuOCqryvmKnbvBPBnaNMbCqrxw.tdvyHFVoZISsFUqJvqFT0cg+\",\n \"next_page_uri\": \"http://PoqRnDNQHgsSAILsyYutOtNGDj.qqhjm8TRty6qyZnDJAQcH1Djqzpuv,w5pf+hzR.4snyBz\",\n \"page\": 90555719,\n \"page_size\": 88924560,\n \"previous_page_uri\": \"https://ArZjnsEHjpSMJWeIOQAYyTOm.ispdr0ZozBph6JkyS4wCN4KsLijal5vGd-yowauXTc55dxOb\",\n \"start\": -60781383,\n \"uri\": \"http://BJmswSvlkWlnMst.fiODjnzufdg.eBwAEpkSmwiU.e-Ygm,OFGiH\"\n}"
    }
  ]
}