OnchainInvoice

OnchainInvoice provides you with a professional way to accept multiple blockchain token payments. You can issue professional invoices that feature automatic payment detection and instant settlement, streamlining your on-chain financial operations. Invoice in fiat, accept crypto payments, and generate tamper-evident, verifiable receipts. OnchainInvoice produces cryptographically signed documentation—PDFs, canonical payloads, and proof files—that can be independently inspected. Built as documentation infrastructure between invoicing and on-chain settlement, without custody or post-hoc reconstruction.