The problem
Autonomous systems can now buy, write, export, reserve and change state, but most products still treat them like ordinary browser traffic.
AffixIO trust infrastructure
AI agent identity needs proof before action.
AffixIO gives teams a practical identity and permission layer for autonomous agents, shopping bots, browser operators, MCP clients and enterprise copilots.
BoundProof Agent
Give every AI agent its own proof area before it acts.
Provision a persistent BoundProof Agent, check its proof allowance and give a reviewer a scoped AffixIO Hub code. Trial and paid access follow the current billing status of that agent area.
- bpa_ agent key first. SDK key access depends on an active trial or subscription licence.
- Authorised payment. An authorised agent can use the documented API payment flow. Human payers use hosted Stripe Checkout. Payment-provider authentication may still be required.
- Scoped Hub view. The BP code opens only that agent's own area, usage and proof status.
Starter paid access
From £19/month
Provision the agent, check its licence and allowance, then request an SDK key through the documented flow.
Where AffixIO sits
AffixIO verifies the actor, policy, user consent, action scope, eligibility and audit needs before the action runs.
Why it matters
The result is a signed allow or deny decision that product, risk, audit and support teams can understand.
Built for developers
Use the affixio SDK from npm to add proof checks to Node.js services without storing extra personal data.
Developer quick start
Add AffixIO to a Node.js service when an AI agent, marketplace, fintech, age-gated app or checkout flow needs a verifiable permission result.
npm install affixio@beta
import { AffixIO } from "affixio";
const affix = new AffixIO({
apiKey: process.env.AFFIXIO_API_KEY
});
const proof = await affix.verify({
circuit: "agent-permission",
subject: agent.id,
claim: { action: "checkout", limit: 50 }
});
if (!proof.eligible) throw new Error("Agent not approved");Questions people ask
What does AffixIO provide?
AffixIO provides privacy-preserving verification infrastructure for signed yes or no outcomes before high-trust actions.
Does AffixIO replace payment or identity providers?
No. AffixIO complements them by adding proof before action, permission checks and audit evidence.