> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nasiko.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List every provider/model with a currently-effective `model_pricing` row,

> List every provider/model with a currently-effective `model_pricing` row,
grouped by provider. Backs the UI provider/model dropdown.



## OpenAPI

````yaml /api-reference/openapi.json get /api/llm-router/providers
openapi: 3.1.0
info:
  title: Nasiko API
  description: >-
    HTTP API for the Nasiko OpenRuntime: agents, coding harnesses, TokenOps,
    routing, MCP, and secrets. Spec is generated from annotated routes; some
    surfaces are documented on the hand-written pages alongside this file.
  license:
    name: ''
  version: 0.1.0
servers: []
security: []
tags:
  - name: secrets
    description: Encrypted per-user agent secrets
  - name: catalog
    description: >-
      Agent catalog: registration, discovery, versions, per-agent secrets, and
      source import
  - name: agents
    description: >-
      Agent lifecycle: deployments, LLM routing config, update/rollback,
      upload-and-deploy
  - name: orchestrator
    description: >-
      A2A dispatch: routing-engine/ReAct orchestrator and direct agent chat,
      plus routing stats
  - name: users
    description: >-
      User management: CRUD, roles, credentials, accessible agents
      (superuser-only)
  - name: usage
    description: Per-user token usage and cost reporting
  - name: observability
    description: Sessions, traces, spans, agent logs, and FinOps reporting
  - name: llm-router
    description: LLM routing presets, provider/model catalog, and tier→model registry
  - name: mcp
    description: >-
      MCP gateway: agent-facing JSON-RPC tool calls, connector
      registration/upload/sharing, credentials & OAuth, and per-agent tool
      permissions
paths:
  /api/llm-router/providers:
    get:
      tags:
        - llm-router
      summary: >-
        List every provider/model with a currently-effective `model_pricing`
        row,
      description: >-
        List every provider/model with a currently-effective `model_pricing`
        row,

        grouped by provider. Backs the UI provider/model dropdown.
      operationId: list_providers
      responses:
        '200':
          description: Currently-effective model catalog, grouped by provider
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProviderCatalogEnvelope'
        '401':
          description: Missing or invalid session
components:
  schemas:
    ProviderCatalogEnvelope:
      type: object
      description: >-
        `crate::mcp::ApiResponse` envelope around a list of [`ProviderCatalog`]
        groups.
      required:
        - data
        - status_code
        - message
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/ProviderCatalog'
        message:
          type: string
        status_code:
          type: integer
          format: int32
          minimum: 0
    ProviderCatalog:
      type: object
      description: >-
        A provider and its models, e.g. `{ "provider": "openai", "models": [...]
        }`.
      required:
        - provider
        - models
      properties:
        display_name:
          type:
            - string
            - 'null'
          description: >-
            Human-friendly name of the custom provider, if this is a
            DB-registered custom endpoint.
        models:
          type: array
          items:
            $ref: '#/components/schemas/ModelEntry'
        provider:
          type: string
        provider_id:
          type:
            - string
            - 'null'
          format: uuid
          description: >-
            UUID of the custom provider, if this is a DB-registered custom
            endpoint.
    ModelEntry:
      type: object
      description: >-
        One model within a provider group. Field names mirror the
        `model_pricing` columns;

        prices are null when the model has no currently-effective price row.
      required:
        - model
        - pricing_available
      properties:
        cache_creation_price_per_1m:
          type:
            - number
            - 'null'
          format: double
        cache_read_price_per_1m:
          type:
            - number
            - 'null'
          format: double
        currency:
          type:
            - string
            - 'null'
        effective_from:
          type:
            - string
            - 'null'
          format: date-time
        effective_until:
          type:
            - string
            - 'null'
          format: date-time
        input_price_per_1m:
          type:
            - number
            - 'null'
          format: double
        model:
          type: string
        notes:
          type:
            - string
            - 'null'
        output_price_per_1m:
          type:
            - number
            - 'null'
          format: double
        pricing_available:
          type: boolean
          description: >-
            Whether a currently-effective price row backs this model. `false` ⇒
            the model is

            served but its cost is not tracked (shown as "cost not tracked" in
            the UI, not $0).

````