Help! How can I call APIs from other LLM?

[Rolling-Hol]

1. I want to call the API of DeepSeek-R1 on VolcanoArk or other platforms, but there are no such options in the large model settings. How can I achieve this with custom implementation?
2. I have deployed DeepSeek-distilled locally using Ollama, how can I invoke it in OfficeAI running on another machine?