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deepset-ai--haystack/releasenotes/notes/deprecate-openapi-components-e5f0f7470218fcc4.yaml
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YAML

---
deprecations:
- |
``OpenAPIConnector``, ``OpenAPIServiceConnector`` and ``OpenAPIServiceToFunctions`` are deprecated and
will be removed from Haystack in version 3.0. They are moving to the ``openapi-haystack`` package. To
continue using them, install the package with ``pip install openapi-haystack`` and update your imports
as follows:
.. code-block:: python
from haystack_integrations.components.connectors.openapi import OpenAPIConnector
from haystack_integrations.components.connectors.openapi import OpenAPIServiceConnector
from haystack_integrations.components.converters.openapi import OpenAPIServiceToFunctions
These components are a legacy way to connect Haystack to external APIs. For most use cases, consider
using the ``MCPTool`` instead, which is the modern, standardized way to give pipelines and agents
access to external tools and services.