From c94225f5058990d99bacebddd5ad0883861ff478 Mon Sep 17 00:00:00 2001
From: Igor Ilic <30923996+dexters1@users.noreply.github.com>
Date: Mon, 15 Dec 2025 14:30:22 +0100
Subject: [PATCH] fix: make ontology key an optional param in cognify (#1894)
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## Description
Make ontology key optional in Swagger and None by default (it was
"string" by default before change which was causing issues when running
cognify endpoint)

## Type of Change
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- [ ] Bug fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update
- [ ] Code refactoring
- [ ] Performance improvement
- [ ] Other (please specify):

## Screenshots/Videos (if applicable)
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## Pre-submission Checklist
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- [ ] **I have tested my changes thoroughly before submitting this PR**
- [ ] **This PR contains minimal changes necessary to address the
issue/feature**
- [ ] My code follows the project's coding standards and style
guidelines
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have added necessary documentation (if applicable)
- [ ] All new and existing tests pass
- [ ] I have searched existing PRs to ensure this change hasn't been
submitted already
- [ ] I have linked any relevant issues in the description
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## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

* **Documentation**
* Enhanced API documentation with additional examples and validation
metadata to improve request clarity and validation guidance.

<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>

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---
 cognee/api/v1/cognify/routers/get_cognify_router.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cognee/api/v1/cognify/routers/get_cognify_router.py b/cognee/api/v1/cognify/routers/get_cognify_router.py
index 4f1497e3c..a499b3ca3 100644
--- a/cognee/api/v1/cognify/routers/get_cognify_router.py
+++ b/cognee/api/v1/cognify/routers/get_cognify_router.py
@@ -42,7 +42,9 @@ class CognifyPayloadDTO(InDTO):
         default="", description="Custom prompt for entity extraction and graph generation"
     )
     ontology_key: Optional[List[str]] = Field(
-        default=None, description="Reference to one or more previously uploaded ontologies"
+        default=None,
+        examples=[[]],
+        description="Reference to one or more previously uploaded ontologies",
     )