add OpenAPI integration#525
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Add the integration page for the `openapi-haystack` package (OpenAPIConnector, OpenAPIServiceConnector, OpenAPIServiceToFunctions), moved out of Haystack core. The page prominently recommends the MCPTool as the modern alternative, since these are legacy components. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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…CP callout) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
kacperlukawski
requested changes
Jun 23, 2026
| from haystack_integrations.components.connectors.openapi import OpenAPIConnector | ||
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| connector = OpenAPIConnector( | ||
| openapi_spec="https://bit.ly/serperdev_openapi", |
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Can we really use a bit.ly link? There is an intermediate step with the destination preview. I don't know if OpenAPIConnector will consume that correctly.
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yes, it works. This was created a while ago by Vladimir and points to https://gist.githubusercontent.com/vblagoje/241a000f2a77c76be6efba71d49e2856/raw/722ccc7fe6170a744afce3e3fb3a30fdd095c184/serper.json
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| connector = OpenAPIConnector( | ||
| openapi_spec="https://bit.ly/serperdev_openapi", | ||
| credentials=Secret.from_env_var("SERPERDEV_API_KEY"), |
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Is this secret going to be passed as an Authorization header? It's a bit unclear.
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Yes, I added a line to explain this.
I also re-ran the code and it works.
kacperlukawski
approved these changes
Jun 23, 2026
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part of https://github.com/deepset-ai/haystack-private/issues/372
OpenAPI components were migrated from Haystack to core integrations, so I am creating an integration page.
Anyway, MCP is to be preferred, so I am also communicating this in this new page.