# Leikur API Documentation

> Payments API documentation for Leikur, covering sale requests, hosted payment pages, callbacks, error codes, and sandbox testing.

## Docs

- [Full Documentation](/llms-full.txt): Complete API documentation in a single Markdown file
- [Integration Guide](/llms-full.txt#sale-api): Sale API flow, request/response fields, and examples
- [Hosted Payment Pages](/llms-full.txt#hosted-payment-pages): HPP integration and sale intent fields
- [Callbacks & Results](/llms-full.txt#callbacks--results): Server callbacks, HMAC verification, and redirect payloads
- [Error Codes](/llms-full.txt#error-codes): Major and minor error code reference
- [Testing](/llms-full.txt#testing): Sandbox test cards and CVV trigger values
- [OpenAPI Spec](/swagger/leikur/public/swagger.json): Machine-readable OpenAPI 2.0 specification (JSON)