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Changelog

Version Date Changes
1.0.0 13 Jul 2025 First version of the integration document.

1.0.0

Initial public release of the SPINACH GAMES Integration API.

Scope

  • Game launch, including demo mode.
  • Wallet callbacks implemented by the partner: /auth, /balance, /bet, /win and /cancel.
  • Freebets management: create, cancel, get, and get by player.

Conventions

  • Request and response signing is HMAC-SHA256 over the raw body, carried in the X-Signature header and keyed on the partner's own INTEGRATION_HUB_SECRET. There is no canonical form to agree on, and the secret is never transmitted.
  • All monetary values are integers in coins — the currency's minor units — with currencyExponent carried in a transaction request whenever the scale cannot be inferred from the currency code.
  • All field names are camelCase.