Brian Whippo
402 - Payment Required
#1about 3 minutes
The long history of the undefined 402 status code
The `402 Payment Required` HTTP status code has been reserved for future use for three decades, despite early attempts like CyberCash and JEPI to define a standard.
#2about 2 minutes
Recent attempts at web payment standardization
Modern efforts like the Payment Request API and Web Monetization have tried to address web payments but have not resulted in a universal standard for the 402 status code.
#3about 6 minutes
Understanding the first frontier of digital payments
The payments landscape has shifted dramatically, with digital methods like account-to-account transfers, digital wallets, and stablecoins now dominating e-commerce.
#4about 4 minutes
The new frontier of agentic and autonomous commerce
AI agents require new payment infrastructure, with autonomous agents needing atomic, programmable, and permissionless transactions with immediate settlement.
#5about 4 minutes
Current competing proposals for web payment protocols
In the absence of a standard, companies like Cloudflare and Coinbase are creating proprietary or divergent solutions like Pay per Crawl and X402 to handle machine-to-machine payments.
#6about 2 minutes
A call to action for a unified open payment standard
The industry needs to collaborate on a universal, open standard for web payments to support the future of autonomous commerce, rather than relying on fragmented solutions.
Related jobs
Jobs that call for the skills explored in this talk.
msg
Ismaning, Germany
Intermediate
Senior
Swift
Blockchain
+1
Wilken GmbH
Ulm, Germany
Senior
Kubernetes
AI Frameworks
+3
Matching moments
03:15 MIN
The future of recruiting beyond talent acquisition
What 2025 Taught Us: A Year-End Special with Hung Lee
03:28 MIN
Why corporate AI adoption lags behind the hype
What 2025 Taught Us: A Year-End Special with Hung Lee
04:02 MIN
How a broken frontend culture impacts the web
WeAreDevelopers LIVE – Frontend Inspirations, Web Standards and more
06:28 MIN
Using AI agents to modernize legacy COBOL systems
Devs vs. Marketers, COBOL and Copilot, Make Live Coding Easy and more - The Best of LIVE 2025 - Part 3
14:06 MIN
Exploring the role and ethics of AI in gaming
Devs vs. Marketers, COBOL and Copilot, Make Live Coding Easy and more - The Best of LIVE 2025 - Part 3
04:09 MIN
The emerging market for fixing AI-generated code
Devs vs. Marketers, COBOL and Copilot, Make Live Coding Easy and more - The Best of LIVE 2025 - Part 3
06:44 MIN
Using Chrome's built-in AI for on-device features
Devs vs. Marketers, COBOL and Copilot, Make Live Coding Easy and more - The Best of LIVE 2025 - Part 3
04:27 MIN
Moving beyond headcount to solve business problems
What 2025 Taught Us: A Year-End Special with Hung Lee
Featured Partners
Related Videos
WeAreDevelopers LIVE – Building on Algorand: Real Projects and Developer Tools
Chris Heilmann, Daniel Cranney & Astha Yadav
Build Real Things: Real-World Problems That Blockchain Actually Solves - Marco Podien
Chris Heilmann, Daniel Cranney & Marco Podien
Solving Real-world Problems with Blockchain at Algorand - Brian Whippo
Brian Whippo
Demystifying Crypto & Web3: A Technical Journey Through 15 Years of Innovation
Ed Marquez
WeAreDevelopers LIVE - Build Real Things: Real-World Problems That Blockchain Actually Solves
Chris Heilmann, Daniel Cranney & Marco Podien
Five things in tech that matter and we have to make work
Christian Heilmann
Fireside Chat with Cloudflare's Chief Strategy Officer, Stephanie Cohen (with Mike Butcher MBE)
Stephanie Cohen & Mike Butcher
Why You Should Care About the Decentralized Computing Movement
John Woods
Related Articles
View all articles



From learning to earning
Jobs that call for the skills explored in this talk.





Hopper
Remote
React
TypeScript
Google Cloud Platform



Paymentology
Remote
Intermediate
ELK
Java
Scala
Kotlin
+15
