OpenAI SDK (JS) with idapt
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Set up OpenAI SDK (JS) against idapt's compatible APIs with the steps below. This article and the AI Gateway quickstarts lander render the same shared steps, so they never drift.
OpenAI SDK (JS) with idapt
The canonical three-line diff: baseURL, key, model id.
- 1
Install
bashnpm i openai - 2
Point it at idapt
tsimport OpenAI from "openai"; const client = new OpenAI({ baseURL: "https://idapt.app/api/openai/v1", apiKey: process.env.IDAPT_API_KEY, }); const reply = await client.chat.completions.create({ model: "deepseek/deepseek-v4-flash", messages: [{ role: "user", content: "Three facts about ravens." }], }); - 3
Streaming
tsconst stream = await client.chat.completions.create({ model: "deepseek/deepseek-v4-flash", messages: [{ role: "user", content: "Stream a haiku." }], stream: true, }); for await (const part of stream) { process.stdout.write(part.choices[0]?.delta?.content ?? ""); }
GOOD TO KNOW
API keys and scopesOpenAI-compatible API referenceOpenRouter-compatible API referenceRate limits and errors
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