Originary blog
Insights from the agentic web
The Originary blog covers HTTP 402, AI payments, PEAC receipts, AIPREF, and the infrastructure needed for the agentic web. Technical articles, protocol updates, and best practices from the Originary team.
All Articles
What is HTTP 402? How PEAC Uses 402 for Agent Payments
HTTP 402 Payment Required was defined in 1997 and reserved for digital payments. Learn how PEAC Protocol activates 402 for AI access control, agent payments, and verifiable receipts.
The A2A Stack: Agent-to-Agent Commerce
How AI agents coordinate, transact, and verify interactions with each other. The A2A stack covers AI policy discovery, HTTP 402 payments, PEAC-Receipts, and provenance.
From Detection To Settlement: Using PEAC To Turn AI Traffic Into Revenue And Compliance
How Originary and PEAC turns AI bot detection into an AI paywall using HTTP 402, x402 and Stripe, with signed receipts for billing, audit and compliance.
AI Bot Detection: Turning Unknown AI Traffic Into Verifiable Evidence
AI bot detection is more than classifiers. Learn how metadata, fingerprints and PEAC receipts turn AI traffic into verifiable, enforceable evidence.
AIPREF: A Common Language for AI Usage Preferences
Understanding the IETF AIPREF specification for expressing AI usage preferences through HTTP headers and robots.txt - what it is, how it works, and how to implement it today.
HTTP 402 for APIs: Making Payment-Required Responses Work
A practical guide to implementing HTTP 402 Payment Required in modern APIs. Learn the anatomy of a 402 response, receipt verification patterns, and how to avoid common pitfalls.
Add HTTP 402 to Your API in 15 Minutes
Quick tutorial for adding HTTP 402 Payment Required responses to an existing Express API. No SDK required, just standard HTTP and receipt verification.
HTTP 402 on Cloudflare Workers: Global Edge Payment Gates
Deploy HTTP 402 payment-required responses at the edge with Cloudflare Workers. Zero cold starts, global KV storage, Web Crypto API for receipt verification.
robots.txt (RFC 9309): The Web's Crawl Access Control
A technical deep dive into RFC 9309, the standardized Robots Exclusion Protocol - matching rules, error handling, caching, and how it relates to AIPREF usage preferences.
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