openapi: 3.1.0
info:
  title: Google Cloud Pub/Sub Schemas API
  description: The Cloud Pub/Sub API provides reliable, many-to-many, asynchronous messaging between applications. Publishers send messages to topics, and subscribers receive messages via subscriptions. It supports both push and pull delivery modes.
  version: v1
  contact:
    name: Google Cloud
    url: https://cloud.google.com/pubsub
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://pubsub.googleapis.com/v1
  description: Google Cloud Pub/Sub API v1
security:
- oauth2: []
tags:
- name: Schemas
  description: Operations for managing Pub/Sub schemas
paths:
  /projects/{projectId}/schemas:
    get:
      operationId: listSchemas
      summary: Google Cloud Pub/Sub List schemas
      description: Lists schemas in a project.
      tags:
      - Schemas
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          type: string
      - name: pageSize
        in: query
        schema:
          type: integer
      - name: pageToken
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListSchemasResponse'
    post:
      operationId: createSchema
      summary: Google Cloud Pub/Sub Create a schema
      description: Creates a schema in a project.
      tags:
      - Schemas
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          type: string
      - name: schemaId
        in: query
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Schema'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Schema'
components:
  schemas:
    ListSchemasResponse:
      type: object
      properties:
        schemas:
          type: array
          items:
            $ref: '#/components/schemas/Schema'
        nextPageToken:
          type: string
    Schema:
      type: object
      properties:
        name:
          type: string
        type:
          type: string
          enum:
          - TYPE_UNSPECIFIED
          - PROTOCOL_BUFFER
          - AVRO
        definition:
          type: string
        revisionId:
          type: string
        revisionCreateTime:
          type: string
          format: date-time
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://accounts.google.com/o/oauth2/auth
          tokenUrl: https://oauth2.googleapis.com/token
          scopes:
            https://www.googleapis.com/auth/pubsub: View and manage Pub/Sub topics and subscriptions
            https://www.googleapis.com/auth/cloud-platform: Full access to Google Cloud Platform
externalDocs:
  description: Google Cloud Pub/Sub Documentation
  url: https://cloud.google.com/pubsub/docs/reference/rest