OpenAI compatible API · Attested · Public status

OpenAI: GPT-5.5 Pro API

Use the OpenAI-compatible API quickstart for GPT-5.5 Pro on TrustedRouter, with model IDs, streaming examples, authentication, fallback behavior, and SDK configuration.

Verify gateway
Onebase URL to migrate
100sof models and routes
0prompt or output logs. Always.

openai/gpt-5.5-pro

API

All models

Use the same OpenAI compatible clients you already use. Only the base URL and model change.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="openai/gpt-5.5-pro",
    messages=[{"role": "user", "content": "Give me a one-sentence status."}],
    max_tokens=64,
)
print(response.choices[0].message.content)
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