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OpenAI

Use OpenAI’s API directly in automations — run GPT-4o completions, generate images with DALL·E 3, transcribe audio files, produce speech, and create embeddings for semantic search pipelines.

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Authentication

Auth type: API Key Create a secret key at platform.openai.com/api-keys.

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Actions

Enable jsonMode: true in Chat Completion to force GPT to return valid JSON output. Your systemPrompt or userMessage must instruct the model to produce JSON — the API enforces the format but does not define the schema.
Last modified on April 2, 2026