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NexusAPI is a model gateway; it does not promise that every model works with every API. The model, token group, and protocol must all match. Use the Model Marketplace and the result returned by your current key as the live source of truth.
Confirm before you call
  1. Confirm that the model is in your key’s token group in the Model Marketplace.
  2. Confirm the protocol marked for that model.
  3. Use /v1/models to see what the key can actually access, then send a minimal request.

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Publicly documented capabilities

Do not treat every New API route as a NexusAPI promiseThe underlying New API software can contain more compatible routes than this table. NexusAPI supports only the capabilities explicitly described here, in the Model Marketplace, or in an official guide. Image edits and variations, embeddings, audio, rerank, and native Gemini are not currently documented as general public NexusAPI capabilities; do not use a production workload to guess whether they work.

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Check models with the current key

Copy a model ID from data[].id. Some model-list responses also include supported_endpoint_types; when present, use it to see whether a model is marked openai or anthropic. /v1/models is a point-in-time view for one key. The Model Marketplace shows prices, groups, and descriptions. If they differ, follow the current key result and console state.

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A simple protocol rule

If a model is visible but the call still fails, check its ID, your token group, and the request path first. Keep the Request ID and use the self-check guide.

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Where to find details

Model capabilities and channels change. Ask support before using a capability not listed here.