openapi: 3.0.1 info: title: Postmark Account Activate Validate API description: 'Postmark makes sending and receiving email incredibly easy. The Account-level API allows users to configure all Servers, Domains, and Sender Signatures associated with an Account. ' version: 0.9.0 servers: - url: //api.postmarkapp.com/ tags: - name: Validate paths: /templates/validate: post: tags: - Validate summary: Postmark Test Template Content requestBody: content: {} responses: '200': description: Successful response content: application/json: {}