Drop-In Replacement
for OpenAI

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from openai import OpenAI
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# OpenAI
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client = OpenAI(
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    api_key=os.environ["OPENAI_API_KEY"],
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    # base_url defaults to https://api.openai.com/v1
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)
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response = client.chat.completions.create(
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    model="gpt-4o",
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    messages=[{"role": "user", "content": "Hello!"}]
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)

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from openai import OpenAI
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# HLD — just change the base URL
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client = OpenAI(
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    api_key=os.environ["HLD_API_KEY"],
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    base_url="https://api.highlimitdesigns.com/v1"
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)
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response = client.chat.completions.create(
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    model="glm-5.1",
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    messages=[{"role": "user", "content": "Hello!"}]
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)

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# OpenAI
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curl https://api.openai.com/v1/chat/completions \
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  -H "Authorization: Bearer $OPENAI_API_KEY" \
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  -H "Content-Type: application/json" \
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  -d '{"model": "gpt-4o", "messages": [{"role": "user", "content": "Hello!"}]}'
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# HLD — same request, different URL and key
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curl https://api.highlimitdesigns.com/v1/chat/completions \
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  -H "Authorization: Bearer $HLD_API_KEY" \
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  -H "Content-Type: application/json" \
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  -d '{"model": "glm-5.1", "messages": [{"role": "user", "content": "Hello!"}]}'

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// OpenAI
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import OpenAI from "openai";
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const client = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });
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// HLD — one line change
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const client = new OpenAI({
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  apiKey: process.env.HLD_API_KEY,
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  baseURL: "https://api.highlimitdesigns.com/v1",
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});
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// Everything else is identical
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const response = await client.chat.completions.create({
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  model: "glm-5.1",
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  messages: [{ role: "user", content: "Hello!" }],
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});