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OpenAPI Specification

openapi: 3.2.0
info:
  title: LangWatch Model Providers API
  description: LangWatch openapi spec
  version: 1.0.0
servers:
- url: https://app.langwatch.ai
security:
- project_api_key: []
tags:
- name: Model Providers
paths:
  /api/v1/model-providers:
    get:
      operationId: getApiModelProviders
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties: {}
                additionalProperties:
                  type: object
                  properties:
                    id:
                      type: string
                    provider:
                      type: string
                    enabled:
                      type: boolean
                    customKeys:
                      anyOf:
                      - type: object
                        propertyNames:
                          type: string
                        additionalProperties: {}
                      - type: 'null'
                    deploymentMapping:
                      anyOf:
                      - {}
                      - type: 'null'
                    models:
                      anyOf:
                      - type: array
                        items:
                          type: string
                      - type: 'null'
                    embeddingsModels:
                      anyOf:
                      - type: array
                        items:
                          type: string
                      - type: 'null'
                    customModels:
                      anyOf:
                      - type: array
                        items:
                          type: object
                          properties:
                            modelId:
                              type: string
                              minLength: 1
                            displayName:
                              type: string
                              minLength: 1
                            mode:
                              type: string
                              enum:
                              - chat
                              - embedding
                            maxTokens:
                              anyOf:
                              - type: number
                                exclusiveMinimum: 0
                              - type: 'null'
                            supportedParameters:
                              type: array
                              items:
                                type: string
                                enum:
                                - temperature
                                - max_tokens
                                - top_p
                                - frequency_penalty
                                - presence_penalty
                                - top_k
                                - min_p
                                - repetition_penalty
                                - seed
                                - reasoning
                                - verbosity
                            multimodalInputs:
                              type: array
                              items:
                                type: string
                                enum:
                                - image
                                - file
                                - audio
                          required:
                          - modelId
                          - displayName
                          - mode
                          additionalProperties: false
                      - type: 'null'
                    customEmbeddingsModels:
                      anyOf:
                      - type: array
                        items:
                          type: object
                          properties:
                            modelId:
                              type: string
                              minLength: 1
                            displayName:
                              type: string
                              minLength: 1
                            mode:
                              type: string
                              enum:
                              - chat
                              - embedding
                            maxTokens:
                              anyOf:
                              - type: number
                                exclusiveMinimum: 0
                              - type: 'null'
                            supportedParameters:
                              type: array
                              items:
                                type: string
                                enum:
                                - temperature
                                - max_tokens
                                - top_p
                                - frequency_penalty
                                - presence_penalty
                                - top_k
                                - min_p
                                - repetition_penalty
                                - seed
                                - reasoning
                                - verbosity
                            multimodalInputs:
                              type: array
                              items:
                                type: string
                                enum:
                                - image
                                - file
                                - audio
                          required:
                          - modelId
                          - displayName
                          - mode
                          additionalProperties: false
                      - type: 'null'
                    disabledByDefault:
                      type: boolean
                    extraHeaders:
                      anyOf:
                      - type: array
                        items:
                          type: object
                          properties:
                            key:
                              type: string
                            value:
                              type: string
                          required:
                          - key
                          - value
                          additionalProperties: false
                      - type: 'null'
                  required:
                  - provider
                  - enabled
                  - customKeys
                  - deploymentMapping
                  additionalProperties: false
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
      description: List all model providers for a project with masked API keys
      tags:
      - Model Providers
      security:
      - project_api_key: []
      x-access-policy:
        kind: handlerManaged
        credential:
        - project_api_key
        permissions:
        - project:view
      summary: Get api model providers
      x-summary-source: derived
  /api/v1/model-providers/{provider}:
    put:
      operationId: putApiModelProvidersByProvider
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties: {}
                additionalProperties:
                  type: object
                  properties:
                    id:
                      type: string
                    provider:
                      type: string
                    enabled:
                      type: boolean
                    customKeys:
                      anyOf:
                      - type: object
                        propertyNames:
                          type: string
                        additionalProperties: {}
                      - type: 'null'
                    deploymentMapping:
                      anyOf:
                      - {}
                      - type: 'null'
                    models:
                      anyOf:
                      - type: array
                        items:
                          type: string
                      - type: 'null'
                    embeddingsModels:
                      anyOf:
                      - type: array
                        items:
                          type: string
                      - type: 'null'
                    customModels:
                      anyOf:
                      - type: array
                        items:
                          type: object
                          properties:
                            modelId:
                              type: string
                              minLength: 1
                            displayName:
                              type: string
                              minLength: 1
                            mode:
                              type: string
                              enum:
                              - chat
                              - embedding
                            maxTokens:
                              anyOf:
                              - type: number
                                exclusiveMinimum: 0
                              - type: 'null'
                            supportedParameters:
                              type: array
                              items:
                                type: string
                                enum:
                                - temperature
                                - max_tokens
                                - top_p
                                - frequency_penalty
                                - presence_penalty
                                - top_k
                                - min_p
                                - repetition_penalty
                                - seed
                                - reasoning
                                - verbosity
                            multimodalInputs:
                              type: array
                              items:
                                type: string
                                enum:
                                - image
                                - file
                                - audio
                          required:
                          - modelId
                          - displayName
                          - mode
                          additionalProperties: false
                      - type: 'null'
                    customEmbeddingsModels:
                      anyOf:
                      - type: array
                        items:
                          type: object
                          properties:
                            modelId:
                              type: string
                              minLength: 1
                            displayName:
                              type: string
                              minLength: 1
                            mode:
                              type: string
                              enum:
                              - chat
                              - embedding
                            maxTokens:
                              anyOf:
                              - type: number
                                exclusiveMinimum: 0
                              - type: 'null'
                            supportedParameters:
                              type: array
                              items:
                                type: string
                                enum:
                                - temperature
                                - max_tokens
                                - top_p
                                - frequency_penalty
                                - presence_penalty
                                - top_k
                                - min_p
                                - repetition_penalty
                                - seed
                                - reasoning
                                - verbosity
                            multimodalInputs:
                              type: array
                              items:
                                type: string
                                enum:
                                - image
                                - file
                                - audio
                          required:
                          - modelId
                          - displayName
                          - mode
                          additionalProperties: false
                      - type: 'null'
                    disabledByDefault:
                      type: boolean
                    extraHeaders:
                      anyOf:
                      - type: array
                        items:
                          type: object
                          properties:
                            key:
                              type: string
                            value:
                              type: string
                          required:
                          - key
                          - value
                          additionalProperties: false
                      - type: 'null'
                  required:
                  - provider
                  - enabled
                  - customKeys
                  - deploymentMapping
                  additionalProperties: false
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
        '409':
          description: Conflict
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
                - message
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                - error
      description: Create or update a model provider
      tags:
      - Model Providers
      security:
      - project_api_key: []
      x-access-policy:
        kind: handlerManaged
        credential:
        - project_api_key
        permissions:
        - project:update
      parameters:
      - in: path
        name: provider
        schema:
          type: string
          minLength: 1
        required: true
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                enabled:
                  type: boolean
                customKeys:
                  type: object
                  propertyNames:
                    type: string
                  additionalProperties: {}
                customModels:
                  anyOf:
                  - type: array
                    items:
                      type: object
                      properties:
                        modelId:
                          type: string
                          minLength: 1
                        displayName:
                          type: string
                          minLength: 1
                        mode:
                          type: string
                          enum:
                          - chat
                          - embedding
                        maxTokens:
                          anyOf:
                          - type: number
                            exclusiveMinimum: 0
                          - type: 'null'
                        supportedParameters:
                          type: array
                          items:
                            type: string
                            enum:
                            - temperature
                            - max_tokens
                            - top_p
                            - frequency_penalty
                            - presence_penalty
                            - top_k
                            - min_p
                            - repetition_penalty
                            - seed
                            - reasoning
                            - verbosity
                        multimodalInputs:
                          type: array
                          items:
                            type: string
                            enum:
                            - image
                            - file
                            - audio
                      required:
                      - modelId
                      - displayName
                      - mode
                      additionalProperties: false
                  - type: array
                    items:
                      type: string
                customEmbeddingsModels:
                  anyOf:
                  - type: array
                    items:
                      type: object
                      properties:
                        modelId:
                          type: string
                          minLength: 1
                        displayName:
                          type: string
                          minLength: 1
                        mode:
                          type: string
                          enum:
                          - chat
                          - embedding
                        maxTokens:
                          anyOf:
                          - type: number
                            exclusiveMinimum: 0
                          - type: 'null'
                        supportedParameters:
                          type: array
                          items:
                            type: string
                            enum:
                            - temperature
                            - max_tokens
                            - top_p
                            - frequency_penalty
                            - presence_penalty
                            - top_k
                            - min_p
                            - repetition_penalty
                            - seed
                            - reasoning
                            - verbosity
                        multimodalInputs:
                          type: array
                          items:
                            type: string
                            enum:
                            - image
                            - file
                            - audio
                      required:
                      - modelId
                      - displayName
                      - mode
                      additionalProperties: false
                  - type: array
                    items:
                      type: string
                extraHeaders:
                  type: array
                  items:
                    type: object
                    properties:
                      key:
                        type: string
                      value:
                        type: string
                    required:
                    - key
                    - value
                defaultModel:
                  type: string
              required:
              - enabled
      summary: Put api model providers by provider
      x-summary-source: derived
components:
  securitySchemes:
    project_api_key:
      type: apiKey
      in: header
      name: X-Auth-Token
      description: 'Project API key for sending traces and accessing project-scoped resources. Format: sk-lw-... (no underscore). Obtain one by creating a project via the Admin API or the LangWatch UI.'
    admin_api_key:
      type: http
      scheme: bearer
      description: 'Admin API key for organization-level operations (managing projects, API keys). Create one in Settings > API Keys or via POST /api/api-keys. Format: sk-lw-{id}_{secret}.'
    scim_bearer:
      type: http
      scheme: bearer
      description: SCIM token for one organization's directory connection, created with POST /api/scim-tokens or in Settings > SCIM. It authenticates provisioning calls only, and stops working if the organization's Enterprise plan lapses.
    cli_access_token:
      type: http
      scheme: bearer
      description: The device session the LangWatch CLI holds after `langwatch login`. It acts as the person who signed in, in the organization they chose, and expires unless the CLI refreshes it.
    instance_admin_key:
      type: http
      scheme: bearer
      description: Instance administrator key, set as LANGWATCH_INSTANCE_ADMIN_API_KEY on a self-hosted deployment. It exists to create the first organization, before any organization key does; every other management API takes an organization key instead.
    internal_secret:
      type: http
      scheme: bearer
      description: The deployment's own shared secret, presented by another LangWatch service rather than by a customer. The families behind it are ingress-blocked; they are described so a self-hosted operator can see what the deployment talks to itself about.
x-provenance:
  method: harvested
  publisher: LangWatch
  source: https://app.langwatch.ai/api/openapi.json
  note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
    stamped by stamp-openapi-provenance.py (roadmap#793)