x402HQS — The Agentic Payment Stack
04.02.2026  ·  THE DAY THE RAILS WENT LIVE
AGENTIC PAYMENT INFRASTRUCTURE  ·  AUTHORIZATION LAYER

THE RAIL. x402.HQS

x402 is the foundation. Coinbase. Base. Cloudflare. Shopify.
Machine-to-machine payments at civilisational scale.

But the rail needs a gate.
What did the human authorize the agent to pay for?

75%
x402 on Base · April 2026
22
Foundation Members
<1.4ms
IBA Gate Latency
0
Unauthorized Actions
x402 FOUNDATION LAUNCHED UNDER LINUX FOUNDATION · 04.02.2026 COINBASE · STRIPE · GOOGLE · AWS · MASTERCARD · VISA · MICROSOFT · SHOPIFY 22 FOUNDING MEMBERS CHAINLINK · EUROCLEAR · SWIFT · UBS · FRANKLIN TEMPLETON CORPORATE ACTIONS · IBA CLOSES THE AUTH GAP COINBASE OCC TRUST COMPANY CONDITIONAL CHARTER APPROVED NCCoE AI AGENT IDENTITY · IBA 10 FILINGS · DEADLINE CLOSED IBA PATENT GB2603013.0 PENDING · PCT 150+ COUNTRIES GROK SESSION 18 · “ANTHROPIC’S RUBRIC LOOP VERIFIES OUTCOMES INSIDE THAT AUTHORIZED SESSION” IETF draft-williams-intent-token-00 LIVE · STANDARDS TRACK x402 FOUNDATION LAUNCHED UNDER LINUX FOUNDATION · 04.02.2026 COINBASE · STRIPE · GOOGLE · AWS · MASTERCARD · VISA · MICROSOFT · SHOPIFY 22 FOUNDING MEMBERS CHAINLINK · EUROCLEAR · SWIFT · UBS · FRANKLIN TEMPLETON CORPORATE ACTIONS · IBA CLOSES THE AUTH GAP COINBASE OCC TRUST COMPANY CONDITIONAL CHARTER APPROVED NCCoE AI AGENT IDENTITY · IBA 10 FILINGS · DEADLINE CLOSED IBA PATENT GB2603013.0 PENDING · PCT 150+ COUNTRIES GROK SESSION 18 · “ANTHROPIC’S RUBRIC LOOP VERIFIES OUTCOMES INSIDE THAT AUTHORIZED SESSION” IETF draft-williams-intent-token-00 LIVE · STANDARDS TRACK

April 2 happened.

Three events. One day. One unresolved question. The agentic economy went from concept to infrastructure — and exposed the authorization gap that sits beneath every transaction on every new rail.

09:00  ·  APRIL 2, 2026
x402 FOUNDATION LAUNCHES
Coinbase. Base. Cloudflare. Shopify. The x402 open payment protocol becomes a foundation. 75% of x402 transactions already settling on Base. Machine-to-machine micropayments become infrastructure.
PAYMENT RAIL
14:00  ·  APRIL 2, 2026
COINBASE OCC CONDITIONAL CHARTER
Coinbase receives conditional OCC trust company charter. Crypto infrastructure moves under federal regulatory oversight. Agentic payment authorization becomes a compliance requirement, not an option.
FEDERAL OVERSIGHT
23:59  ·  APRIL 2, 2026
NCCoE DEADLINE CLOSES
The NCCoE AI Agent Identity and Authorization docket closes. IBA Intent Bound Authorization: 10 filings on record. The most complete single-framework authorization submission in 319 entries.
FEDERAL RECORD

The complete stack.

Three layers. Each essential. Together they form the only complete agentic payment architecture with pre-execution authorization, cryptographic enforcement, and immutable audit on the federal record.

x402
x402 — THE RAIL
The payment protocol. HTTP 402 as machine-to-machine payment primitive. Coinbase · Base · Cloudflare · Shopify. The foundation. Solves how the agent pays. Does not solve what the agent is authorized to pay for.
x402
PAYMENT PROTOCOL
IBA
IBA — THE GATE
IBA Intent Bound Authorization. The signed intent certificate declares authorized payees, hard payment limits, permitted scope, shard delegation rules — before the agent connects to x402. The cert is signed by the human principal. Patent GB2603013.0 · IETF draft live · 10 NCCoE filings.
<1.4ms
GATE LATENCY
WB
WITNESSBOUND — THE RECORD
Immutable blockchain-anchored audit chain. Every gate decision logged. Every shard token issuance recorded. Every delegation event chained. SHA3-256. OCC audit-ready. Non-repudiable. The complete record from human principal to terminal x402 payment.
100%
AUDIT COMPLETE
THE LINE
x402 is the rail. IBA Intent Bound Authorization is the gate before the train leaves the station. WitnessBound is the record that survives the journey.”

Who built the rail.

The x402 Foundation launched April 2, 2026 under the Linux Foundation. 22 institutions that collectively process a significant portion of global commerce chose to build the agentic payment infrastructure together.

COINBASE
FOUNDATION LEAD · OCC CHARTERED
Federal trust company. OCC conditional charter approved April 2. Crypto infrastructure under regulatory oversight. x402 co-founder.
PAYMENT RAIL
BASE
L2 SETTLEMENT LAYER
75% of all x402 transactions settled on Base in the first month. The de facto settlement layer for the agentic economy.
SETTLEMENT
CLOUDFLARE
INFRASTRUCTURE · CSAI SPONSOR
Also founding sponsor of the CSAI Foundation (Cloud Security Alliance). The connective tissue between the payment rail and the governance layer.
GOVERNANCE LINK
SHOPIFY
COMMERCE LAYER
Global commerce infrastructure. Agentic purchasing at scale. Every autonomous shopping agent on Shopify has the same authorization gap.
COMMERCE
Note: Cloudflare is a founding sponsor of both the x402 Foundation and the CSAI Foundation (Cloud Security Alliance, launched RSA 2026). CSAI mission: “Securing the Agentic Control Plane.” IBA Intent Bound Authorization is the cryptographic enforcement primitive the CSAI governance framework describes.

See it work.

Every demo is live. Every scenario is real. Every blocked transaction proves the gate works before x402 is called.

NEW · ENTERPRISE FINANCIAL AI · FEATURED
Chainlink Corporate Actions
Euroclear · Swift · UBS · Franklin Templeton · 20+ institutions. Constellation provenance + IBA gate + Chainlink DON multi-LLM consensus. Four attack scenarios. 100% DON consensus on tampered data = corrupted golden record. IBA blocks it before the LLMs run.
x402hqs.com/chainlink-html/
x402 + IBA · CORE DEMO
x402 Payment Gate
Two agents. Same rail. Same attack. Ungoverned pays. IBA-governed blocks. The authorization gap demonstrated live on the x402 protocol.
aipayhq.com/402-html/
MCP + x402 + IBA · FULL STACK
The Complete Stack
Three open standards. MCP gives tools. x402 executes payment. IBA declares what was authorized before either fires. Prompt injection, tool scope creep, cascade drain — all blocked.
aipayhq.com/triple-html/
SHARD TOKENS · OCC-READY
Sub-Agent Delegation
The edge case the Coinbase question raised. Full delegation tree. Shard tokens. Privilege escalation blocked. Depth violations blocked. Complete WitnessBound audit chain.
intentbound.com/shard-html/
VOICE AGENTS · LIVEKIT + GROK
Voice Payment Authorization
Natural language cannot override a cryptographic certificate. Including spoken natural language. LiveKit + Grok + IBA. Grok Session 16 validated.
aipayhq.com/voice-html/
QUANTUM DEFENSE
Quantum Mempool
Google CRQC 9-minute mempool window. IBA closes attack surface upstream. No cert — no broadcast — no pubkey exposed. Dilithium/Falcon complement.
aipayhq.com/quantum-html/
TRADING FLOOR
AI Pay HQ
Live agentic trading floor. Over-limit, undeclared payee, and crypto violations blocked in real time. The Mastercard argument live.
aipayhq.com/ibapay-html/

The rail is live.
The gate is patent pending.

The x402 foundation launched. The OCC charter is conditional approval. The NCCoE record closed. The authorization gap is now a compliance requirement. IBA Intent Bound Authorization is available for strategic acquisition.

Patent GB2603013.0 Pending  ·  PCT 150+ Countries  ·  August 2028
IETF draft-williams-intent-token-00  ·  13 NIST Filings  ·  10 NCCoE Filings
Jeffrey Williams  ·  Chiang Mai, Thailand  ·  [email protected]
MPP Demo
IBA + Stripe MPP — Authorization Before Payment
Intent certificate · Gate check · WitnessBound audit · Patent Pending GB2603013.0