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JWT and ECDSA will be broken by quantum computers. Nation-states are already harvesting signed traffic today. FIPSign is a signing API built on ML-DSA-65 (NIST FIPS 204). Call /sign, get a quantum-resistant token. No infra, no DevOps, no keys to manage. Sign users, orders, documents, IoT devices — anything with a sub field. Free tier: 10,000 tokens/month, revocation, offline verification, webhooks, REST API + npm SDK. No credit card. No sales call. Production-ready in 5 minutes.