Developers

Designed by engineers,
for engineers shipping AI.

One OpenAI-compatible API, every frontier model, with first-class TypeScript and Python SDKs. Open spec, predictable behavior, and a CLI that doesn't get in your way.

Read the quickstart GitHub

app.py

from openai import OpenAI

client = OpenAI(
  base_url="https://api.build-blue.uk/v1",
  api_key=os.environ["BLUEBOX_KEY"],
)

response = client.chat.completions.create(
  model="claude-opus-4",
  fallback=["gpt-5", "gemini-2.5-pro"],
  messages=["role": "user", "content": "Ship it."],
)

print(response.choices[0].message.content)

SDKs

Use the language you already love.

Python

pip install openai

Node.js

npm i openai

go get github.com/openai/openai-go

Rust

cargo add async-openai

Java

implementation "com.openai:openai-java:..."

cURL

no install needed

Guides

Production-grade recipes.

Battle-tested patterns, ready to copy. Each one ships with sample code in 5 languages.

Quickstart in 60 seconds

From signup to your first response — copy, paste, ship.

OpenAI SDK migration

Switch your existing OpenAI client. Two lines, zero code rewrites.

Routing & fallbacks

Define cost-aware policies, retries, and provider preferences.

Streaming & function calling

SSE, tool use, structured output, and JSON mode work everywhere.

Embeddings at scale

Batch endpoints, async pipelines, and 70%+ savings via batching.

Guardrails & PII redaction

Pre-processing layers for prompt injection, secrets, and PII.

Build something great. We'll handle the plumbing.

Full SDK access on every plan. Migrate in an afternoon, save in a week.

Talk to sales Browse the docs

Designed by engineers, for engineers shipping AI.