openapi: 3.1.0 info: title: Acuity Scheduling Appointments Payments API version: v1 description: Acuity Scheduling's API for managing appointments, payments, and service metadata. Documented endpoints cover listing/creating/updating appointments, retrieving payments for an appointment, and exposing service metadata. contact: name: Acuity Scheduling Developers url: https://developers.acuityscheduling.com servers: - url: https://acuityscheduling.com/api/v1 description: Acuity Scheduling API security: - BasicAuth: [] tags: - name: Payments paths: /appointments/{id}/payments: get: summary: Retrieve a list of payment transactions for a particular appointment tags: - Payments components: securitySchemes: BasicAuth: type: http scheme: basic description: HTTP Basic auth using your User ID as username and API Key as password