> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://pos-api-docs.lucky-tom.com/lucky-tom-pos-api/wallets/top-ups/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://pos-api-docs.lucky-tom.com/_mcp/server.

# Overview

FR30. Cashier takes cash and credits a linked portal player. Flow: validate (no money) → confirm → commit (Idempotency-Key). Commit re-validates. Validate is not a lock.


## API Docs

- Top Ups [Commit top-up](https://pos-api-docs.lucky-tom.com/lucky-tom-pos-api/wallets/top-ups/commit-top-up.md)
- Top Ups [Validate top-up](https://pos-api-docs.lucky-tom.com/lucky-tom-pos-api/wallets/top-ups/validate-top-up.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://pos-api-docs.lucky-tom.com/openapi.json)
- [OpenAPI YAML](https://pos-api-docs.lucky-tom.com/openapi.yaml)