Skip to main content
POST
Create a Fusion completion
See the guide for authentication, examples, and usage rules.

Authorizations

Authorization
string
header
required

Org API key as Authorization: Bearer z_sk_...

Body

Request payload for createChatFusionCompletion. Examples use placeholder-safe values and do not include real secrets or private prompt content.

Schema for FusionRequest values returned by or accepted by the Nito gateway.

messages
object[]
required

The messages field on FusionRequest.

Minimum array length: 1

Nested schema within FusionRequest for FusionRequest.messages.items.

Example:
models
string[]
required

The models field on FusionRequest.

Required array length: 2 - 3 elements

Nested schema within FusionRequest for FusionRequest.models.items.

Pattern: .*\S.*
Example:
max_tokens
integer

The max_tokens field on FusionRequest.

Example:

12

temperature
number

The temperature field on FusionRequest.

Example:

0.5

tools
object[]

The tools field on FusionRequest.

Example:
top_p
number

The top_p field on FusionRequest.

Example:

0.5

user
string

The user field on FusionRequest.

Example:

"example"

web_fetch
boolean

The web_fetch field on FusionRequest.

Example:

true

web_search

The web_search field on FusionRequest.

Example:

true

Response

OK

Schema for FusionResponse values returned by or accepted by the Nito gateway.

created
integer
required

The created field on FusionResponse.

Example:

1778268600

judge
string
required

The judge field on FusionResponse.

Example:

"example"

models
object[]
required

The models field on FusionResponse.

Example:
object
enum<string>
required

The object field on FusionResponse.

Available options:
fusion.completion
Example:

"fusion.completion"

status
enum<string>
required

The status field on FusionResponse.

Available options:
complete,
partial,
failed
Example:

"complete"

synthesis
string
required

The synthesis field on FusionResponse.

Example:

"example"

synthesis_prompt_tokens
integer
required

The synthesis_prompt_tokens field on FusionResponse.

Example:

12

synthesis_tokens
integer
required

The synthesis_tokens field on FusionResponse.

Example:

12

free_tier
object

The free_tier field on FusionResponse.

Example:

"example"

synthesis_attestation
object

The synthesis_attestation field on FusionResponse.

Example:

"2026-07-07T00:00:00Z"