diff --git a/windows/security/threat-protection/windows-defender-atp/post-ti-indicator-windows-defender-advanced-threat-protection-new.md b/windows/security/threat-protection/windows-defender-atp/post-ti-indicator-windows-defender-advanced-threat-protection-new.md
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+---
+title: Submit Ti Indicator API
+description: Use this API to submit Ti Indicator.
+keywords: apis, graph api, supported apis, submit, ti, ti indicator
+search.product: eADQiWindows 10XVcnh
+ms.prod: w10
+ms.mktglfcycl: deploy
+ms.sitesec: library
+ms.pagetype: security
+ms.author: macapara
+author: mjcaparas
+ms.localizationpriority: medium
+ms.date: 12/08/2017
+---
+
+# Submit Ti Indicator API
+
+[!include[Prerelease information](prerelease.md)]
+
+>[!Note]
+> Currently this API is supported only for AppOnly context requests. (See [Get access without a user](exposed-apis-create-app-webapp.md) for more information)
+
+
+**Applies to:**
+- Windows Defender Advanced Threat Protection (Windows Defender ATP)
+
+Submits new [Ti Indicator](ti-indicator-windows-defender-advanced-threat-protection-new.md) entity.
+
+## Permissions
+One of the following permissions is required to call this API. To learn more, including how to choose permissions, see [Use Windows Defender ATP APIs](apis-intro.md)
+
+Permission type |	Permission	|	Permission display name
+:---|:---|:---
+Application |	Ti_ReadWrite |	'Read and write Ti Indicators'
+
+
+## HTTP request
+```
+POST https://api.securitycenter.windows.com/api/tiindicators
+```
+
+[!include[Improve request performance](improverequestperformance-new.md)]
+
+
+## Request headers
+
+Name | Type | Description
+:---|:---|:---
+Authorization | String | Bearer {token}. **Required**.
+Content-Type | string | application/json. **Required**.
+
+## Request body
+In the request body, supply a JSON object with the following parameters:
+
+Parameter |	Type	| Description
+:---|:---|:---
+indicator | String | Identity of the [Ti Indicator](ti-indicator-windows-defender-advanced-threat-protection-new.md) entity. **Required**
+indicatorType | Enum | Type of the indicator. Possible values are: "FileSha1", "FileSha256", "IpAddress", "DomainName" and "Url". **Required**
+title | String | Ti indicator title.
+expirationTime | DateTimeOffset | The expiration time of the indicator.
+action | Enum | The action that will be taken when the indicator will be discovered in the organization. Possible values are: "Alert", "AlertAndBlock", and "Allowed". **Required**
+severity | Enum | The severity of the indicator. possible values are: "Informational", "Low", "Medium" and "High".
+description | String | Description of the indicator.
+recommendedActions | String | Recommended actions for the indicator.
+
+
+## Response
+If successful, this method returns 201 - Created response code and the created [Ti Indicator](ti-indicator-windows-defender-advanced-threat-protection-new.md) in the response body.
+
+
+## Example
+
+**Request**
+
+Here is an example of the request.
+
+```
+POST https://api.securitycenter.windows.com/api/tiindicators
+Content-type: application/json
+{
+	"indicator": "220e7d15b0b3d7fac48f2bd61114db1022197f7f",
+	"indicatorType": "FileSha1",
+	"title": "test",
+	"expirationTime": "2020-12-12T00:00:00Z",
+	"action": "AlertAndBlock",
+	"severity": "Informational",
+	"description": "test",
+	"recommendedActions": "TEST"
+}
+
+```
+**Response**
+
+Here is an example of the response.
+
+```
+HTTP/1.1 201 Created
+Content-type: application/json
+{
+    "@odata.context": "https://api.securitycenter.windows.com/api/$metadata#MachineActions/$entity",
+    "indicator": "220e7d15b0b3d7fac48f2bd61114db1022197f7f",
+    "indicatorType": "FileSha1",
+    "title": "test",
+    "creationTimeDateTimeUtc": "2018-10-24T10:54:23.2009016Z",
+    "createdBy": "45097602-1234-5678-1234-9f453233e62c",
+    "expirationTime": "2020-12-12T00:00:00Z",
+    "action": "AlertAndBlock",
+    "severity": "Informational",
+    "description": "test",
+    "recommendedActions": "TEST"
+}
+
+```
diff --git a/windows/security/threat-protection/windows-defender-atp/ti-indicator-windows-defender-advanced-threat-protection-new.md b/windows/security/threat-protection/windows-defender-atp/ti-indicator-windows-defender-advanced-threat-protection-new.md
index e3cc47f323..d194ebfcf3 100644
--- a/windows/security/threat-protection/windows-defender-atp/ti-indicator-windows-defender-advanced-threat-protection-new.md
+++ b/windows/security/threat-protection/windows-defender-atp/ti-indicator-windows-defender-advanced-threat-protection-new.md
@@ -31,7 +31,7 @@ indicator | String | Identity of the [Ti Indicator](ti-indicator-windows-defende
 indicatorType | Enum | Type of the indicator. Possible values are: "FileSha1", "FileSha256", "IpAddress", "DomainName" and "Url"
 title | String | Ti indicator title.
 creationTimeDateTimeUtc | DateTimeOffset | The date and time when the indicator was created.
-createdBy | String | Identity of the user/application that created the indicator.
+createdBy | String | Identity of the user/application that submitted the indicator.
 expirationTime | DateTimeOffset | The expiration time of the indicator
 action | Enum | The action that will be taken when the indicator will be discovered in the organization. Possible values are: "Alert", "AlertAndBlock", and "Allowed"
 severity | Enum | The severity of the indicator. possible values are: "Informational", "Low", "Medium" and "High"