Platform API — v1

We are the API.
We give API keys.

Ship AI products on BLUN — three in-house models, persistent memory, tool-using agents, and a skill registry. OpenAI-compatible shape. Deployed in Europe.

Get your API key Read the docs

# Any OpenAI SDK works
curl https://api.blun.ai/v1/chat/completions \
  -H "Authorization: Bearer blun_sk_..." \
  -H "Content-Type: application/json" \
  -d '{"model":"king-1.0","messages":[{"role":"user","content":"Hello BLUN"}]}'

Three models

King, Queen, Prince

In-house trained. Flagship reasoning (King), fast production (Queen), lightweight free-tier (Prince).

Agents & tools

Autonomous execution

Tool-using turns, streaming, thinking steps. Ship agent products without wiring infrastructure.

Memory & skills

Persistent context

Per-user memory, skill registry, private deployments. No data leaves the EU.

Familiar shape

OpenAI-compatible

/v1/chat/completions, /v1/models, streaming SSE. Drop-in for existing codebases.

Transparent pricing

From €0 to €149/mo

Free tier, fair overage, dedicated capacity on Pro. No surprise bills.

Built by operators

Shipped, not promised

The same API that powers our own apps. If it breaks, everything we make breaks.

We are the API.We give API keys.