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This integration method is maintained but no longer actively developed. For the best experience and latest features, use our new AI Gateway with unified API access to 100+ models.
You can follow their documentation here: https://docs.tokenfactory.nebius.com/

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Gateway Integration

1

Create a Helicone account

Log into helicone or create an account. Once you have an account, you can generate an API key.
2

Create a Nebius Token Factory account

Log into Nebius Token Factory or create an account. Once you have an account, you can generate an API key from your dashboard.
3

Set HELICONE_API_KEY and NEBIUS_API_KEY as environment variable

HELICONE_API_KEY=<your API key>
NEBIUS_API_KEY=<your API key>
4

Modify the base URL and add Auth headers

Replace the following Nebius Token Factory URL with the Helicone Gateway URL:https://api.tokenfactory.nebius.com -> https://nebius.helicone.aiand then add the following authentication headers:
Authorization: Bearer <your API key>
Now you can access all the models on Nebius Token Factory with a simple fetch call:

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Example - Text Completion

curl \
  --header "Authorization: Bearer $NEBIUS_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "deepseek-ai/DeepSeek-R1",
    "messages": [
      {
        "role": "user",
        "content": "Explain quantum computing in simple terms"
      }
    ]
}' \
  --url https://nebius.helicone.ai/v1/chat/completions

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Example - Image Generation

curl \
  --header "Authorization: Bearer $NEBIUS_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "black-forest-labs/flux-schnell",
    "prompt": "A beautiful sunset over a mountain landscape"
}' \
  --url https://nebius.helicone.ai/v1/images/generations
For more information on how to use headers, see Helicone Headers docs. And for more information on how to use Nebius Token Factory, see Nebius Token Factory Docs.