https://orbytpay.org/standards/ 2026-06-24 monthly 0.9 https://orbytpay.org/og-image.svg Standards Open payment specifications stewarded by the Orbyt Pay Foundation: Ledger Moon, the Offline Queue Protocol, the Rail Spec and the Webhook Spec. https://orbytpay.org/standards/ledger-moon/ 2026-06-24 monthly 0.75 https://orbytpay.org/og-image.svg Ledger Moon Spec The open specification for Ledger Moon: a deterministic, append-only, hash-chained settlement ledger. https://orbytpay.org/standards/offline-queue/ 2026-06-24 monthly 0.75 https://orbytpay.org/og-image.svg Offline Queue Protocol The open specification for accepting payments without connectivity and settling deterministically on reconnect. https://orbytpay.org/standards/rail-spec/ 2026-06-24 monthly 0.75 https://orbytpay.org/og-image.svg Rail Spec A common interface across wallet, card, proximity and offline payment rails so integrators write once. https://orbytpay.org/standards/webhook-spec/ 2026-06-24 monthly 0.75 https://orbytpay.org/og-image.svg Webhook Spec Signed, retried, replayable event delivery for payment state changes. https://orbytpay.org/open-source/ 2026-06-24 monthly 0.7 https://orbytpay.org/og-image.svg Open Source Open-source reference implementations and tooling for the Foundation's payment standards.