Living definition
What is x402 Payment Protocol?
AdTech & Marketing Technology Agentic Commerce & Payments
- As of
- 2026-08-20
- Revision
- 2026-08-17.1
- Method
- v1.3.0
Definition
The term, in context
AI-assisted draft · approved dataset
x402 Payment Protocol is the open protocol that uses the HTTP 402 response code to let a website or API require a small, machine-payable amount before serving a request, without a login or account-based billing relationship.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-08-20, verified readiness is 54 (claimed 70, reported 63, gap 16) — Critical evidence strength; current signals suggest Adopt with guardrails.
The readiness fact belongs to the canonical Readiness Verdict for x402 Payment Protocol.
Dataset approval
Human editorial release
pragma.vision editorial — standing authorization (operator dev@soft.house, 2026-07-17)
- Dataset
- 2026-08-17.1
- Hash
- sha256:0c37108a182f510fc8cf4d1dfc3a30339f2b59e62654201edea2f530a268707e
- Approved
- 2026-08-17