Binary eligibility verification
Send identifier + circuit_id, receive eligible and data_retained: null. No PII stored.
Trust layer · Verification · Agentic and offline payments
What is AffixIO?
AffixIO is the trust layer for the internet. One API for stateless verification, agentic payments, and offline payment checks. Binary yes or no, no PII stored. Built for developers, systems, and the future.
Request inAllow or DenySigned proof out
The trust layer, in practice
Trust means you get a clear, verifiable answer without handing over data you do not need to share. AffixIO runs as stateless zero-knowledge verification: you send an identifier and a rule (for example a circuit_id); we resolve against external data in real time and return a single binary result. No session, no identity store, no PII written to disk.
Identifier (NFC · biometric · QR)
→
api.affix-io.com
→
eligible: true | false
The API at api.affix-io.com is documented (OpenAPI), auditable, and built for compliance: government, fintech, and zero-data designs. No cardholder or other PII is stored, so PCI scope stays minimal. The same pipeline powers agentic payments (ZK on the edge, double-spend prevention) and offline payment verification at the terminal.
What the API provides
Everything api.affix-io.com delivers today: verification, agentic and offline payments, and compliance-friendly infrastructure.
Agentic payments
ZK proofs on the edge, offline-capable proofs, double-spend prevention, and validation for autonomous and M2M flows.
Offline payment verification
Verify at the terminal or edge: stateless checks, no PII on device. Suited for low-connectivity environments.
Any identifier
NFC, biometric, QR, or hashed identifiers. One API; the circuit resolves against the right data source.
Compliance and resilience
Government and fintech-friendly design. No PII repository. Data minimization by design.
Health and demo
GET /health for integrations. Try the API via demo.
Built for now and the future
AffixIO is built for today's integrations and tomorrow's stack: developer APIs, edge and offline scenarios, and agentic or AGI-driven workflows. The same stateless, binary verification model works for human-driven apps and autonomous agents. No session state, no PII store, so it is safe for M2M and AI-orchestrated flows.
Agents M2M and autonomous commerce.
Edge Offline and terminal flows.
Regulated Fintech and government programmes.
Who we are
Kris and Becca Richens
Tech enthusiasts who love math and tech. We built AffixIO to be the trust layer the internet needs: stateless, binary, and privacy-preserving. Two late-age teenagers and a cat called Milo round out the team.
Quick answers
What is AffixIO?
AffixIO is a trust layer for the internet. It provides stateless zero-knowledge verification, agentic payments, offline payment verification, and binary eligibility checks via api.affix-io.com. No PII is stored.
What does the AffixIO API provide?
Binary eligibility verification (POST /v1/verify), circuit listing (GET /v1/circuits), health checks, agentic payment flows with ZK on the edge and double-spend prevention, and offline payment verification at the terminal. See technical architecture and OpenAPI.
Who built AffixIO?
Kris and Becca Richens, with their family and Milo the cat.
Contact
Tell us your setup
Write to us about your setting. We answer with a practical wiring diagram for your team.