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Refund PolicyWorking draft of how refunds work in our non-custodial model.Legal and policy questionsFrequently asked questions drawn from the halfin legal and policy pages. Each one links to a standalone answer.Are there any refund fees or limits?This draft does not state any. Network fees are set by the relevant blockchain network and are separate from halfin's fees. Any platform fees, fee…Can a confirmed crypto payment be charged back?No. On-chain settlement is final — there is no card-style chargeback and no protocol-level reversal of a confirmed payment. A refund is a separate…Does halfin decide when my customers get a refund?No. halfin provides the mechanism to return funds in connection with a payment; the decision to refund, and the terms offered to your customers, are…A request to an overseas publisher timed out — did I just pay them twice?No, if each line carries an idempotency key. Re-submitting the same key after a timeout, restart, or manual re-run returns the payout halfin already…Are API keys scoped?Yes. A halfin API key carries only the permissions you grant it, scoped to the operations it needs — a read or invoice key cannot release payouts.Are API requests rate limited?Yes. Public auth endpoints are rate limited per IP and authenticated API-key requests are limited too. Design clients to back off and retry idempotently.Are conversions auditable?Yes. Every conversion is recorded against your balance history as an explicit event with provenance, and your held balances are readable through the same…Are course payments reversible like card chargebacks?No. Once invoice.paid fires under the chain's confirmation threshold, the payment has settled on-chain and there is no issuer-initiated reversal, so the…Are crypto casino deposits really chargeback-proof?A confirmed on-chain deposit is final — the sender can't reverse it the way a cardholder files a chargeback weeks after a bet settles, which closes the…Are crypto deposits really chargeback-proof?A confirmed on-chain deposit is final — the sender cannot reverse it the way a cardholder can file a chargeback weeks after a bet has settled. That closes…