openapi: 3.2.0 info: title: inbox-check Beta Signups API description: Email deliverability test API for AI agents and automation. Same surface is exposed via REST (here), MCP (streamable-http at /mcp), and A2A (skill manifest at /.well-known/agent.json). version: 1.0.0 contact: {} servers: [] tags: - name: beta-signups paths: /api/beta-signups: post: operationId: BetaSignupsController_submit parameters: [] requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/SubmitBetaDto' responses: '201': description: '' tags: - beta-signups summary: Beta signups controller submit x-summary-source: derived components: schemas: SubmitBetaDto: type: object properties: {} securitySchemes: apiKey: scheme: bearer bearerFormat: icp_live_* type: http adminKey: type: apiKey in: header name: X-Admin-Key