API Reference

Request response from the model

post
https://integrate.api.nvidia.com/v1/chat/completions

Invokes inference using the model chat parameters. If uploading large images, this POST should be used in conjunction with the NVCF API which allows for the upload of large assets.
You can find details on how to use NVCF Asset APIs here: https://docs.api.nvidia.com/cloud-functions/reference/createasset

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Body Params
messages
array of objects
required
length ≥ 1

A list of messages comprising the conversation so far.

Messages*
string
enum
required

The role of the message's author.

Allowed:
required

The contents of the message.

To pass images/videos (only with role=user):

- When content is a string, images can be passed with img HTML tags that wrap an image URL (<img src="{url}" />), base64 image data (<img src="data:image/{format};base64,{base64encodedimage}" />), or an NVCF asset ID (<img src="data:image/{format};asset_id,{asset_id}" />).

- When content is a list of objects, images can be passed as objects with type=image_url, and videos can be passed as objects with type=video_url.

For system and assistant roles, the object list format is not supported.

Optional participant or tool name.

Tool call ID that this tool message is responding to.

tool_calls

Tool calls generated by an assistant message.

Optional preserved reasoning content from a previous assistant turn.

string
required
Defaults to moonshotai/kimi-k2.6

The model to use.

chat_template_kwargs

Optional kwargs forwarded to the model chat template (e.g. {"thinking": true} / {"thinking": false}).

tools

Optional OpenAI-compatible tool definitions for function calling.

enum

Optional OpenAI-compatible tool choice. Use auto, none, required, or a named-tool choice object.

1 to 65536

The maximum number of tokens that can be generated.

-9007199254740991 to 9007199254740991

Changing the seed will produce a different response with similar characteristics. Fixing the seed will reproduce the same results if all other parameters are also kept constant.

If set, partial message deltas will be sent, like in ChatGPT. Tokens will be sent as data-only server-sent events as they become available, with the stream terminated by a data: [DONE]

stream_options

Optional OpenAI-compatible stream options, such as include_usage.

0 to 1

What sampling temperature to use, between 0 and 1. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.

≤ 1

An alternative to sampling with temperature, called nucleus sampling, where the model considers the results of the tokens with top_p probability mass. So 0.1 means only the tokens comprising the top 10% probability mass are considered. We generally recommend altering this or temperature but not both.

Headers
uuid
length ≤ 370

String of asset IDs separated by commas. Data is uploaded to AWS S3 using NVCF Asset APIs and associated with these asset IDs.If the size of an image is more than 180KB, it needs to be uploaded to a presigned S3 URL bucket. The presigned URL allows for secure and temporary access to the S3 bucket for uploading the image. Once the asset is requested, an asset ID is generated for it. Please include this asset ID in this header and to use the uploaded image in a prompt, you need to refer to it using the following format: <img src="data:image/png;asset_id,{asset_id}" />.

string
enum
Defaults to application/json

Generated from available response content types

Allowed:
Responses

Updated about 4 hours ago

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Response
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application/json
text/event-stream

Updated about 4 hours ago

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