# api description

- [Introduction](/transaction30api/api-description/introduction.md)
- [Connectivity](/transaction30api/api-description/connectivity.md)
- [Ticket Acceptance Flow](/transaction30api/api-description/ticket-acceptance-flow.md)
- [Ticket JSON Format Description](/transaction30api/api-description/ticket-json-format-description.md)
- [Ticket Placement Request](/transaction30api/api-description/ticket-json-format-description/ticket-placement-request.md)
- [Ticket Placement Response](/transaction30api/api-description/ticket-json-format-description/ticket-placement-response.md)
- [Max Stake Request](/transaction30api/api-description/ticket-json-format-description/max-stake-request.md)
- [Max Stake Response](/transaction30api/api-description/ticket-json-format-description/max-stake-response.md)
- [Pre-validated Ticket Placement Request](/transaction30api/api-description/ticket-json-format-description/pre-validated-ticket-placement-request.md)
- [Pre-validated Ticket Placement Response](/transaction30api/api-description/ticket-json-format-description/pre-validated-ticket-placement-response.md)
- [Cancellation - Description and Flow](/transaction30api/api-description/ticket-json-format-description/cancellation-description-and-flow.md)
- [Cancellation Request](/transaction30api/api-description/ticket-json-format-description/cancellation-description-and-flow/cancellation-request.md)
- [Cancellation Response](/transaction30api/api-description/ticket-json-format-description/cancellation-description-and-flow/cancellation-response.md)
- [Cash-out Description and Flow](/transaction30api/api-description/ticket-json-format-description/cash-out-description-and-flow.md)
- [Cash-out Requests](/transaction30api/api-description/ticket-json-format-description/cash-out-description-and-flow/cash-out-requests.md)
- [Cash-out Response](/transaction30api/api-description/ticket-json-format-description/cash-out-description-and-flow/cash-out-response.md)
- [External Content - Description](/transaction30api/api-description/ticket-json-format-description/external-content-description.md)
- [External Settlement Request](/transaction30api/api-description/ticket-json-format-description/external-content-description/external-settlement-request.md)
- [External Settlement Response](/transaction30api/api-description/ticket-json-format-description/external-content-description/external-settlement-response.md)
- [Payout Modifier Settlement Request](/transaction30api/api-description/ticket-json-format-description/payout-modifier-settlement-request.md)
- [Payout Modifier Settlement Response](/transaction30api/api-description/ticket-json-format-description/payout-modifier-settlement-response.md)
- [Acknowledgement Messages](/transaction30api/api-description/ticket-json-format-description/acknowledgement-messages.md)
- [Acknowledgement Reply Messages](/transaction30api/api-description/ticket-json-format-description/acknowledgement-reply-messages.md)
- [Error-reply Response](/transaction30api/api-description/ticket-json-format-description/error-reply-response.md)
- [Casino Sessions Request](/transaction30api/api-description/ticket-json-format-description/casino-sessions-request.md)
- [Casino Sessions Response](/transaction30api/api-description/ticket-json-format-description/casino-sessions-response.md)
- [Payment Requests](/transaction30api/api-description/ticket-json-format-description/payment-requests.md)
- [Payment Responses](/transaction30api/api-description/ticket-json-format-description/payment-responses.md)
- [Responsible Gaming Requests](/transaction30api/api-description/ticket-json-format-description/responsible-gaming-requests.md)
- [Responsible Gaming Responses](/transaction30api/api-description/ticket-json-format-description/responsible-gaming-responses.md)
- [Transaction Details and Examples](/transaction30api/api-description/transaction-details-and-examples.md)
- [Validation Codes](/transaction30api/api-description/validation-codes.md)
- [JSON Schemas](/transaction30api/api-description/json-schemas.md)