Authorization

NRouterApiKey

AuthorizationBearer <token>

Your nRouter virtual key (sk-nrouter-…). Sent as Authorization: Bearer sk-nrouter-….

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

model*string

Model id (see GET /v1/models).

messages*array<>

max_tokens*integer

stream?boolean

nrouter_cache?boolean

Use nRouter's tenant-isolated response cache for buffered text requests. Set false to force provider egress; streams are never cached.

Defaulttrue

nrouter_prompt_template_id?string

Tenant-scoped managed prompt template. The gateway selects its production-pinned version, or the active version when no pin exists.

Formatuuid

nrouter_prompt_variables?

Scalar variables rendered into the managed prompt. Authenticated system variables override conflicting caller values.

Response Body

`application/json`

curl -X POST "https://example.com/v1/messages" \  -H "Content-Type: application/json" \  -d '{    "model": "string",    "messages": [      {}    ],    "max_tokens": 0  }'

{  "id": "msg_01",  "type": "message",  "role": "assistant",  "content": [    {      "type": "text",      "text": "Hello!"    }  ],  "usage": {    "input_tokens": 9,    "output_tokens": 3  }}

Create a message (Anthropic-compatible wire format).

Authorization

Request Body

Response Body

200application/json

400application/json

401application/json

402application/json

404application/json

429application/json

503application/json

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`