openapi: 3.0.0 info: title: Webhooks does not exist in OpenAPI 3.0 and should not render version: 1.0.0 summary: a new 3.1.x specific field for summary description: This is a sample server for a pet store. termsOfService: https://example.com/terms/ webhooks: newPet: post: summary: summary for newPet--post requestBody: description: Information about a new pet in the system content: application/json: schema: $ref: "#/components/schemas/foo" responses: "200": description: Return a 200 status to indicate that the data was received successfully components: schemas: foo: type: string