Claude Opus 5.5

curl https://api.oneaiapikey.com/v1/chat/completions \
  -H "Authorization: Bearer $RELAYKIT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-5-5",
    "stream": true,
    "messages": [{"role": "user", "content": "In two sentences, when should I use agentic coding?"}]
  }'

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.oneaiapikey.com/v1",
    api_key=os.environ["RELAYKIT_API_KEY"],
)

stream = client.chat.completions.create(
    model="claude-opus-5-5",
    messages=[{"role": "user", "content": "In two sentences, when should I use agentic coding?"}],
    stream=True,  # recommended for long outputs
)
for chunk in stream:
    if chunk.choices and chunk.choices[0].delta.content:
        print(chunk.choices[0].delta.content, end="", flush=True)

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.oneaiapikey.com/v1",
  apiKey: process.env.RELAYKIT_API_KEY,
});

const stream = await client.chat.completions.create({
  model: "claude-opus-5-5",
  messages: [{ role: "user", content: "In two sentences, when should I use agentic coding?" }],
  stream: true,
});

for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}

import os
from anthropic import Anthropic

client = Anthropic(
    base_url="https://api.oneaiapikey.com",
    api_key=os.environ["RELAYKIT_API_KEY"],
)

with client.messages.stream(
    model="claude-opus-5-5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "In two sentences, when should I use agentic coding?"}],
) as stream:
    for text in stream.text_stream:
        print(text, end="", flush=True)

# macOS / Linux
export ANTHROPIC_BASE_URL="https://api.oneaiapikey.com"
export ANTHROPIC_AUTH_TOKEN="$RELAYKIT_API_KEY"
export ANTHROPIC_MODEL="claude-opus-5-5"
claude

# Windows PowerShell
$env:ANTHROPIC_BASE_URL = "https://api.oneaiapikey.com"
$env:ANTHROPIC_AUTH_TOKEN = $env:RELAYKIT_API_KEY
$env:ANTHROPIC_MODEL = "claude-opus-5-5"
claude