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OpenAPI Specification

openapi: 3.2.0
info:
  title: LangWatch Agents Providers API
  version: 1.0.0
  description: LangWatch openapi spec
servers:
- url: https://app.langwatch.ai
security:
- project_api_key: []
tags:
- name: Providers
paths:
  /api/gateway/v1/providers:
    get:
      responses:
        '200':
          description: Provider bindings
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                        model_provider_id:
                          type: string
                        model_provider_name:
                          type: string
                        slot:
                          type: string
                        rate_limit_rpm:
                          type:
                          - number
                          - 'null'
                        rate_limit_tpm:
                          type:
                          - number
                          - 'null'
                        rate_limit_rpd:
                          type:
                          - number
                          - 'null'
                        rotation_policy:
                          type: string
                        fallback_priority_global:
                          type:
                          - number
                          - 'null'
                        health_status:
                          type: string
                        disabled_at:
                          type:
                          - string
                          - 'null'
                        created_at:
                          type: string
                      required:
                      - id
                      - model_provider_id
                      - model_provider_name
                      - slot
                      - rate_limit_rpm
                      - rate_limit_tpm
                      - rate_limit_rpd
                      - rotation_policy
                      - fallback_priority_global
                      - health_status
                      - disabled_at
                      - created_at
                required:
                - data
        '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
      operationId: getApiGatewayV1Providers
      tags:
      - Providers
      parameters: []
      summary: List provider bindings
      description: Lists every gateway-bound model-provider credential for the caller's project, including health and rate-limit settings.
    post:
      responses:
        '201':
          description: Binding created
          content:
            application/json:
              schema:
                type: object
                properties:
                  provider_credential:
                    type: object
                    properties:
                      id:
                        type: string
                    required:
                    - id
                required:
                - provider_credential
        '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
      operationId: postApiGatewayV1Providers
      tags:
      - Providers
      parameters: []
      summary: Bind a model provider to the gateway
      description: Creates a GatewayProviderCredential binding. Reuses the ModelProvider API key already configured in project settings; this only adds gateway-specific settings (rate limits, rotation, fallback priority).
  /api/gateway/v1/providers/{id}:
    patch:
      responses:
        '200':
          description: Updated
          content:
            application/json:
              schema:
                type: object
                properties:
                  provider_credential:
                    type: object
                    properties:
                      id:
                        type: string
                    required:
                    - id
                required:
                - provider_credential
        '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
      operationId: patchApiGatewayV1ProvidersById
      tags:
      - Providers
      parameters:
      - schema:
          type: string
        in: path
        name: id
        required: true
      summary: Update provider binding
      description: Partial update of gateway-specific settings (rate limits, rotation, slot, extra headers). The underlying ModelProvider credentials are managed in project settings, not here.
    delete:
      responses:
        '200':
          description: Disabled
          content:
            application/json:
              schema:
                type: object
                properties:
                  provider_credential:
                    type: object
                    properties:
                      id:
                        type: string
                      disabled_at:
                        type:
                        - string
                        - 'null'
                    required:
                    - id
                    - disabled_at
                required:
                - provider_credential
        '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
      operationId: deleteApiGatewayV1ProvidersById
      tags:
      - Providers
      parameters:
      - schema:
          type: string
        in: path
        name: id
        required: true
      summary: Disable provider binding
      description: Marks the binding disabled. Requests routing to this slot are skipped (fallback chain continues). Historical ledger rows are retained.
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}.'