Private Beta · 990 spots remaining

One interface for every AI model.

One Interface gives developers a single OpenAI-compatible endpoint for 200+ models — with competitive pricing, unified billing across all providers, and the freedom to switch models with a single line of code.

Join the founding batch and get $100 in free credits.

10 developers joined1,000 founding spots

200+ models, one key

Claude, GPT-5, Gemini, and hundreds more. Switch models by changing a single string.

Drop-in replacement

Fully OpenAI-compatible API. Change your base URL and API key. Your existing code works without modification.

Competitive pricing

We aggregate volume across all customers so you always get competitive rates compared to going direct. No minimums, no surprises.

Works in Popular Vibe Coding Tools

Bring One Interface models into Claude Code, Cursor, Codex, or any Vibe coding tools or IDE workflow that supports an OpenAI-compatible custom endpoint.

vibe-tools.json

Connected tools

Claude Codecustom endpoint ready

CursorOpenAI-compatible

Codexone key, all models

oneinterface.ai/v1Live

// Use any supported model from your coding tool
export default {
  baseURL: "https://api.oneinterface.ai/v1",
  apiKey: "oi_...",
  model: "claude-4-sonnet"
}

migrate.py — 2 lines to switch

# Before
client = OpenAI(api_key="sk-...")

# After — same code, every model
client = OpenAI(
    api_key="oi_...",
    base_url="https://api.oneinterface.ai/v1"
)

Limited to 1,000 founding members

Claim your $100 in free credits.

No credit card. No commitment. Just your email.

Community

Join the developer community.

Connect with other builders, get API support, and talk directly with the team.

Join Discord View all communities →

We're Hiring

Interested in building this with us?

We're looking for founding team members — people who want a real stake in what this becomes, not just a job.

See open roles →

Privacy Terms Contact