Chilkat Online Tools

SQL Server / Zoho CRM REST APIs / Generate Access Token and Refresh Token

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-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    DECLARE @req int
    -- Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'
    EXEC sp_OASetProperty @req, 'Path', '/oauth/v2/token'
    EXEC sp_OASetProperty @req, 'ContentType', 'multipart/form-data'

    DECLARE @jsonFormData1 int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonFormData1 OUT

    EXEC sp_OAMethod @req, 'AddStringForUpload2', @success OUT, 'client_id', '', @jsonFormData1, 'utf-8', 'application/json'

    DECLARE @jsonFormData2 int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonFormData2 OUT

    EXEC sp_OAMethod @req, 'AddStringForUpload2', @success OUT, 'client_secret', '', @jsonFormData2, 'utf-8', 'application/json'

    DECLARE @jsonFormData3 int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonFormData3 OUT

    EXEC sp_OAMethod @req, 'AddStringForUpload2', @success OUT, 'redirect_uri', '', @jsonFormData3, 'utf-8', 'application/json'

    EXEC sp_OAMethod @req, 'AddParam', NULL, 'code', '{{client-id}}{{client-secret}}{{redirect-uri}}paste_grant_token_here'

    EXEC sp_OAMethod @req, 'AddParam', NULL, 'grant_type', '{{client-id}}{{client-secret}}{{redirect-uri}}paste_grant_token_hereauthorization_code'

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'SynchronousRequest', @resp OUT, 'domain.com', 443, 1, @req
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @jsonFormData1
        EXEC @hr = sp_OADestroy @jsonFormData2
        EXEC @hr = sp_OADestroy @jsonFormData3
        RETURN
      END

    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    PRINT @iTmp0
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0
    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @jsonFormData1
    EXEC @hr = sp_OADestroy @jsonFormData2
    EXEC @hr = sp_OADestroy @jsonFormData3


END
GO

Curl Command

curl -X POST
	--form 'client_id={{client-id}}'
	--form 'client_secret={{client-id}}{{client-secret}}'
	--form 'redirect_uri={{client-id}}{{client-secret}}{{redirect-uri}}'
	--form 'code={{client-id}}{{client-secret}}{{redirect-uri}}paste_grant_token_here'
	--form 'grant_type={{client-id}}{{client-secret}}{{redirect-uri}}paste_grant_token_hereauthorization_code'
https://domain.com/oauth/v2/token

Postman Collection Item JSON

{
  "name": "Generate Access Token and Refresh Token",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "if (responseCode.code === 200)",
          "{",
          "    var jsonData = JSON.parse(responseBody);",
          "",
          "    pm.environment.set(\"refresh-token\", jsonData.refresh_token);",
          "    pm.environment.set(\"access-token\", jsonData.access_token);",
          "    pm.environment.set(\"expiry-time\", Date.now() + parseInt(jsonData.expires_in));",
          "}"
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "auth": {
      "type": "noauth"
    },
    "method": "POST",
    "header": [
    ],
    "body": {
      "mode": "formdata",
      "formdata": [
        {
          "key": "client_id",
          "value": "{{client-id}}",
          "type": "text"
        },
        {
          "key": "client_secret",
          "value": "{{client-secret}}",
          "type": "text"
        },
        {
          "key": "redirect_uri",
          "value": "{{redirect-uri}}",
          "type": "text"
        },
        {
          "key": "code",
          "value": "paste_grant_token_here",
          "type": "text"
        },
        {
          "key": "grant_type",
          "value": "authorization_code",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{accounts-url}}/oauth/v2/token",
      "host": [
        "{{accounts-url}}"
      ],
      "path": [
        "oauth",
        "v2",
        "token"
      ]
    },
    "description": "### Step 3: Generate Access Token and Refresh Token\n\nOAuth2.0 requests are usually authenticated with an **access token**, which is passed as bearer token. To use this access token, you need to construct a normal HTTP request and include it in an Authorization header along with the value of Bearer."
  },
  "response": [
  ]
}