diff --git a/action.yml b/action.yml
index 5291c12..c2265cb 100644
--- a/action.yml
+++ b/action.yml
@@ -34,11 +34,16 @@ runs:
     - name: Call Ocamba Velocity Integration API
       shell: bash
       run: |
-        URL="https://${VELOCITY_API_DOMAIN}/v1/velocity/integration?repo_name=${{ inputs.repo_name }}"
         
-        # Append sha parameter if provided
+        BODY="{\"repo_name\": \"${{ inputs.repo_name }}\""
+
         if [ -n "${{ inputs.sha }}" ]; then
-          URL="${URL}&sha=${{ inputs.sha }}"
+          BODY="${BODY}, \"sha\": \"${{ inputs.sha }}\""
         fi
+
+        BODY="${BODY}}"
                 
-        curl -X GET "${URL}" -H "Authorization: Bearer ${{ inputs.token }}"
+        curl -X POST "https://${VELOCITY_API_DOMAIN}/v1/velocity/integration" \
+          -H "Authorization: Bearer ${{ inputs.token }}" \
+          -H "Content-Type: application/json" \
+          -d "$BODY"