​
Calling OpenAI

The standard way to call a third-party endpoint in your workflow is by using context.call.

However, if you need to call the OpenAI endpoint for text generation (/v1/chat/completions), you can leverage the type-safe method context.api.openai.call method:

OpenAI
const { status, body } = await context.api.openai.call(
  "Call OpenAI",
  {
    token: "<OPENAI_API_KEY>",
    operation: "chat.completions.create",
    body: {
      model: "gpt-4o",
      messages: [
        {
          role: "system",
          content: "Assistant says 'hello!'",
        },
        {
          role: "user",
          content: "User shouts back 'hi!'"
        }
      ],
    },
  }
);

// get text:
console.log(body.content[0].text)

The SDK provides predefined types for the body field in both the request parameters and the response, simplifying common use cases. If you need to customize these types, you can override them as shown below:

type ResponseBodyType = { ... }; // Define your response body type
type RequestBodyType = { ... };  // Define your request body type

const { status, body } = await context.api.openai.call<
  ResponseBodyType,
  RequestBodyType
>(
  "Call OpenAI",
  {
    ...
  }
);

​
OpenAI Compatible Provider

If you want to call an OpenAI compatible provider, you can do so using the baseURL parameter:

const { status, body } = await context.api.openai.call(
  "Call Deepseek",
  {
    baseURL: "https://api.deepseek.com",
    token: process.env.DEEPSEEK_API_KEY,
    operation: "chat.completions.create",
    body: {
      model: "gpt-4o",
      messages: [
        {
          role: "system",
          content: "Assistant says 'hello!'",
        },
        {
          role: "user",
          content: "User shouts back 'hi!'"
        }
      ],
    },
  }
);

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