Mercatus AI Gateway

Your agents.
One gateway.

Language, image and video models through one Mercatus API key. Bring your tools. Pay as you go.

Get API key Browse models

Works with the tools you already use.

OpenAI SDK · Chat Completions
from openai import OpenAI

client = OpenAI(
    base_url="https://gateway.mercatus-ai.com/v1",
    api_key="YOUR_MERCATUS_KEY",
)

completion = client.chat.completions.create(
    model="MODEL_ID",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)

Add your API key and replace MODEL_ID with a model from the directory.

Setup guide

Beyond pay as you go

Use it today.
Plan for next month.

For usage you can plan, buy monthly OSTR. Use it across your series’ model menu at fixed conversion rates, or trade it before expiry.

Explore OSTR

Choose your month.

Each OSTR series has a delivery month and a published model menu.

Buy or sell OSTR.

Trade monthly inference on the Forward Market.

Convert when you need it.

Use the model-specific rates in your series’ menu to convert OSTR into inference.