> For the complete documentation index, see [llms.txt](https://docs.roboflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.roboflow.com/changelog/explore-by-month/may-2026/openrouter-block-in-workflows.md). # OpenRouter block in Workflows The new OpenRouter block lets you call any OpenRouter-supported model from inside a Workflow without needing your own OpenRouter API key. The integration gives you access to over 300 models, including every major VLM plus specialized and open-source options, all from a single block. [Read the announcement post](https://blog.roboflow.com/roboflow-openrouter-integration/) [See the OpenRouter Workflow block](https://inference.roboflow.com/workflows/blocks/open_router/)