Claude, theOpenAI Way

An OpenAI-compatible API for Anthropic's Claude models. Point your existing SDK at one base URL, use your key, and ship. Hosted for you, or deployed privately in your environment.

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~ / drawbridge

$curl https://api.drawbridge-tech.com/v1/chat/completions \

-H "Authorization: Bearer $DRAWBRIDGE_API_KEY" \

-d '{"model":"claude-sonnet-4-6","messages":[{"role":"user","content":"Hello!"}],"stream":true}'

→data: {"choices":[{"delta":{"content":"Hello"}}]}

data: {"choices":[{"delta":{"content":"! How can I help?"}}]}

data: [DONE]

Drop-in access to Anthropic's Claude

OpenAI-Compatible

Claude Opus & Sonnet

Streaming (SSE)

Tool Calling

Usage-Based Pricing

Two ways to access Claude

Start hosted in minutes, or deploy privately in your own environment. Same API, your choice of boundary.

API Access

Hosted

Sign up, get a key, and send your first request in minutes. The fastest way to put Claude behind an OpenAI-compatible endpoint. Pay only for what you use.

Self-serve signup — no infrastructure
Claude Opus & Sonnet, one base URL
Streaming + tool calling out of the box
Simple usage-based pricing

Get API key

Private Deployment

Licensed

Run Drawbridge inside your own environment as licensed software. The same OpenAI-compatible API, with the network boundary fully under your control.

Runs entirely in your infrastructure
Same API as the hosted service
Commercial license + support
Volume pricing for scale

Learn more

Everything you expect, on Claude

The OpenAI interface you already build against — backed by Anthropic's best models.

Drop-in OpenAI Compatibility

Change the base URL, keep your code. Works with the OpenAI SDK, LiteLLM, and any OpenAI-compatible client — no rewrites.

Claude Opus & Sonnet

Anthropic's top-tier reasoning and coding models, including the latest Opus and Sonnet releases, behind one endpoint.

Streaming Responses

Full Server-Sent Events streaming in the standard OpenAI format. Token-by-token output for responsive apps.

Tool & Function Calling

OpenAI-style tool calling works as-is. Define your tools, pass them in the request, and build agents on Claude.

Reliable by Design

Automatic routing and failover keep requests flowing. Built to stay up so your product does too.

Simple Usage-Based Billing

Transparent per-token pricing with no tiers or minimums. Top up as you go and pay only for what you use.

Drop-in Compatible

Works with any OpenAI SDK. Change the base URL, keep everything else.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.drawbridge-tech.com/v1",
    api_key="your-api-key"
)

response = client.chat.completions.create(
    model="smart",
    messages=[{"role": "user", "content": "Hello!"}],
    stream=True
)

for chunk in response:
    print(chunk.choices[0].delta.content, end="")

Enterprise Ready

Built for teams that need reliability, not experiments.

Claude

Opus & Sonnet

Anthropic's top models

OpenAI

Compatible

Works with your existing SDK

Zero

Data Persistence

Requests isolated, not stored

Singapore

Incorporated

Clear legal jurisdiction

Start building on Claude

Get an API key and send your first request in minutes — or talk to us about private deployment.

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