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One API.Settled in KRW.

Every major AI model through one API. Pay in KRW and get Korean tax invoices.

  • 460+Models on one API
  • ₩0.000001Billed to a millionth of a won

Every major model provider, one key

  • Microsoft
  • NVIDIA
  • Meta Llama
  • Google
  • Amazon Bedrock
  • DeepSeek
  • Qwen
  • Moonshot AI
  • MiniMax
  • Z.ai
  • Mistral AI
  • Anthropic
  • OpenAI
  • Google AI Studio
  • xAI
  • Cohere
  • Hugging Face
  • Perplexity
  • Nous Research
  • Together AI
  • Morph
  • Inflection
  • Liquid AI
  • Inception
  • Arcee AI

Tax invoices

Global AI APIs,with Korean tax invoices

Keep the same OpenAI, Anthropic and Google models, pay in KRW and get tax invoices.

  • Overseas card payment: Card slip only
  • SpeedGateway: Korean tax invoice
  • Korean tax invoices
  • Policy funds and vouchers
  • Just change base_url

Text, images, video and audio

Generate anything through one API

Every major model in one place, on one key and one KRW wallet.

460+Models on one API

Browse all models

Higher availability

Stays up when a provider goes down

Distributed infrastructure falls back to another provider automatically.

Price and performance

Lower costs at full speed

Requests run close to your users for minimal latency, and every request is priced in KRW.

Custom data policies

Prompts go only where you trust

Send prompts only to the providers you choose, with zero data retention and no training on your data.

View docs

How it works

Three steps to your first request

  1. Sign up and top up in KRW

    Add credits with Toss Payments in a few clicks.

  2. Create your API key

    One key calls every model.

  3. Ship it

    Call models with the SDK you already use and see every cost in KRW.

SDKs

Works with the SDKs you already use

OpenAI SDK, Anthropic SDK, Vercel AI SDK and other standard clients work as they are. Swap the base URL and keep your code.

  • OpenAI SDK
  • Anthropic SDK
  • Vercel AI SDK

Endpoints

  • POST/api/v1/chat/completionsChat Completions
  • POST/api/v1/responsesResponses
  • POST/api/v1/messagesAnthropic Messages
  • POST/api/v1/messages/count_tokensToken counting
  • GET/api/v1/modelsModel list
  • POST/api/v1/images/generationsImage generation

OpenAI Python

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://router.strokecompany.io/api/v1",
    api_key=os.environ["SPEEDGATEWAY_API_KEY"],
)

response = client.chat.completions.create(
    model="anthropic/claude-opus-5.5",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

Send your first request today

Create an account, top up in KRW and call every major AI model with one key.

Get started