> ## Documentation Index > Fetch the complete documentation index at: https://docs.replo.app/llms.txt > Use this file to discover all available pages before exploring further. # List open times for a booking service > **Beta** — this endpoint may change before general availability. ## OpenAPI ````yaml /api-reference/openapi.json get /booking-slots openapi: 3.1.0 info: title: Replo Public API version: '2026-11-10' servers: - url: https://api.replo.app/v1 security: [] paths: /booking-slots: get: tags: - Booking-slots summary: List open times for a booking service description: '**Beta** — this endpoint may change before general availability.' operationId: booking-slots.list parameters: - name: Replo-Api-Version in: header required: true schema: type: string enum: - '2026-11-10' description: The public API version to use for this request. - schema: type: string format: uuid description: The project that owns the forms, from list_projects required: true description: The project that owns the forms, from list_projects name: projectId in: query - schema: type: string format: uuid description: The service's id, from replo_booking_services_list required: true description: The service's id, from replo_booking_services_list name: serviceId in: query - schema: type: string format: date-time description: Start of the window to search required: true description: Start of the window to search name: from in: query - schema: type: string format: date-time description: End of the window to search; at most 62 days after from required: true description: End of the window to search; at most 62 days after from name: to in: query - schema: type: string format: uuid description: Only this staff member's times; anyone's if left out required: false description: Only this staff member's times; anyone's if left out name: staffId in: query - schema: type: integer minimum: 1 maximum: 1000 description: People in the party; 1 if left out required: false description: People in the party; 1 if left out name: seats in: query - schema: anyOf: - type: string pattern: ^[a-z0-9][a-z0-9-]{0,63}$ - type: array items: type: string pattern: ^[a-z0-9][a-z0-9-]{0,63}$ maxItems: 20 description: >- Add-ons the visitor wants; they make each booking longer, so fewer times fit required: false description: >- Add-ons the visitor wants; they make each booking longer, so fewer times fit name: addOnKeys in: query responses: '200': description: List open times for a booking service content: application/json: schema: type: object properties: object: type: string enum: - booking_slots serviceId: type: string format: uuid timeZone: type: string description: The time zone the opening hours are set in slots: type: array items: type: object properties: startsAt: type: string endsAt: type: string staffId: type: string format: uuid seatsLeft: type: integer required: - startsAt - endsAt - staffId - seatsLeft required: - object - serviceId - timeZone - slots '400': description: Invalid request. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '401': description: >- Missing or invalid Replo Public API token. Send an active key as `Authorization: Bearer replo_sk_...`; if it was revoked, create a new key in Replo Settings. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '403': description: >- You are not authorized to access this resource. Ask a workspace owner to perform this action or to grant the key's creator access. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '404': description: >- Not Found. The resource may not exist, this key may lack the required scope, or the key's creator may have lost access. Check the key's scopes in Replo Settings and the creator's project or workspace access; a workspace owner can grant access. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '409': description: The resource is in a conflicting state. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '413': description: File content exceeds the 10 MiB limit. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '429': description: >- Too many requests. Please retry after the time indicated by the Retry-After header. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '500': description: An internal error occurred. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' '503': description: Service temporarily unavailable. content: application/json: schema: $ref: '#/components/schemas/PublicApiError' security: - bearerAuth: [] components: schemas: PublicApiError: type: object properties: error: type: object properties: code: type: string message: type: string doc_url: type: string issues: type: array items: type: object properties: param: type: - string - 'null' description: >- Dotted path to the failing field within the request body, query or path, e.g. "name" or "variants.0.available"; null when the rule covers the whole input. message: type: string description: Why the field was rejected. required: - param - message description: >- Present on an invalid_request whose input failed validation: each failing field and why, at most 10. required: - code - message - doc_url required: - error securitySchemes: bearerAuth: type: http scheme: bearer ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.