diff --git a/specs/ingestion/common/schemas/source.yml b/specs/ingestion/common/schemas/source.yml
index 2e9e8a5a37..21ade93348 100644
--- a/specs/ingestion/common/schemas/source.yml
+++ b/specs/ingestion/common/schemas/source.yml
@@ -524,3 +524,25 @@ sourceShopifyBase:
     - shopURL
   x-discriminator-fields:
     - shopURL
+
+SourceValidateResponse:
+  type: object
+  additionalProperties: false
+  properties:
+    runID:
+      $ref: './common.yml#/runID'
+    data:
+      type: array
+      description: depending on the source type, the validation returns sampling data of your source (JSON, CSV, BigQuery).
+      items:
+        type: object
+    events:
+      description: in case of error, observability events will be added to the response, if any.
+      type: array
+      items:
+        $ref: '../../common/schemas/event.yml#/Event'
+    message:
+      description: a message describing the outcome of a validate run.
+      type: string
+  required:
+    - message
diff --git a/specs/ingestion/paths/sources/validate.yml b/specs/ingestion/paths/sources/validate.yml
new file mode 100644
index 0000000000..45420d3dbf
--- /dev/null
+++ b/specs/ingestion/paths/sources/validate.yml
@@ -0,0 +1,26 @@
+post:
+  tags:
+    - sources
+  summary: Validates a source payload
+  description: |
+    Validates a source payload to ensure it can be created and that the data source can be reached by Algolia.
+  operationId: validateSource
+  x-acl:
+    - addObject
+    - deleteIndex
+    - editSettings
+  requestBody:
+    description: ''
+    content:
+      application/json:
+        schema:
+          $ref: '../../common/schemas/source.yml#/SourceCreate'
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: '../../common/schemas/source.yml#/SourceValidateResponse'
+    '400':
+      $ref: '../../../common/responses/BadRequest.yml'
diff --git a/specs/ingestion/paths/sources/validateID.yml b/specs/ingestion/paths/sources/validateID.yml
new file mode 100644
index 0000000000..0a1cc499fc
--- /dev/null
+++ b/specs/ingestion/paths/sources/validateID.yml
@@ -0,0 +1,28 @@
+post:
+  tags:
+    - sources
+  summary: Validates an update of a source payload
+  description: |
+    Validates an update of a source payload to ensure it can be created and that the data source can be reached by Algolia.
+  operationId: validateSourceBeforeUpdate
+  x-acl:
+    - addObject
+    - deleteIndex
+    - editSettings
+  parameters:
+    - $ref: '../../common/parameters.yml#/pathSourceID'
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: '../../common/schemas/source.yml#/SourceUpdate'
+    required: true
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: '../../common/schemas/source.yml#/SourceValidateResponse'
+    '400':
+      $ref: '../../../common/responses/BadRequest.yml'
diff --git a/specs/ingestion/spec.yml b/specs/ingestion/spec.yml
index 383a9db98c..bd34e8ba5e 100644
--- a/specs/ingestion/spec.yml
+++ b/specs/ingestion/spec.yml
@@ -122,10 +122,14 @@ paths:
   # sources API.
   /1/sources:
     $ref: 'paths/sources/sources.yml'
+  /1/sources/validate:
+    $ref: 'paths/sources/validate.yml'
   /1/sources/search:
     $ref: 'paths/sources/searchSources.yml'
   /1/sources/{sourceID}:
     $ref: 'paths/sources/sourceID.yml'
+  /1/sources/{sourceID}/validate:
+    $ref: 'paths/sources/validateID.yml'
   /1/sources/{sourceID}/discover:
     $ref: 'paths/sources/discover.yml'
 
diff --git a/tests/CTS/requests/ingestion/validateSource.json b/tests/CTS/requests/ingestion/validateSource.json
new file mode 100644
index 0000000000..131fd6fc77
--- /dev/null
+++ b/tests/CTS/requests/ingestion/validateSource.json
@@ -0,0 +1,39 @@
+[
+  {
+    "testName": "validateSource",
+    "parameters": {
+      "type": "commercetools",
+      "name": "sourceName",
+      "input": {
+        "storeKeys": [
+          "myStore"
+        ],
+        "locales": [
+          "de"
+        ],
+        "url": "http://commercetools.com",
+        "projectKey": "keyID"
+      },
+      "authenticationID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f"
+    },
+    "request": {
+      "path": "/1/sources/validate",
+      "method": "POST",
+      "body": {
+        "type": "commercetools",
+        "name": "sourceName",
+        "input": {
+          "storeKeys": [
+            "myStore"
+          ],
+          "locales": [
+            "de"
+          ],
+          "url": "http://commercetools.com",
+          "projectKey": "keyID"
+        },
+        "authenticationID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f"
+      }
+    }
+  }
+]
diff --git a/tests/CTS/requests/ingestion/validateSourceBeforeUpdate.json b/tests/CTS/requests/ingestion/validateSourceBeforeUpdate.json
new file mode 100644
index 0000000000..2d3c603d91
--- /dev/null
+++ b/tests/CTS/requests/ingestion/validateSourceBeforeUpdate.json
@@ -0,0 +1,18 @@
+[
+  {
+    "testName": "validateSourceBeforeUpdate",
+    "parameters": {
+      "sourceID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f",
+      "sourceUpdate": {
+        "name": "newName"
+      }
+    },
+    "request": {
+      "path": "/1/sources/6c02aeb1-775e-418e-870b-1faccd4b2c0f/validate",
+      "method": "POST",
+      "body": {
+        "name": "newName"
+      }
+    }
+  }
+]