PayPal and Stripe's Moves Behind the Scenes: x402 Powers a New AI+Crypto Payment Narrative

By: Haotian

Toly shared this post, and discussions around x402 have already gone viral in overseas communities. However, I feel that excessively focusing on what x402's technology actually is—its features and flaws—won't unleash its maximum "energy." Fortunately, some people are finally starting to evangelize from a grand perspective: AI+Crypto reshaping traditional internet payments!

Let me take the lead in spreading this message within the Chinese-speaking community:

The original sin of the traditional internet: the advertising model. When Visa and Mastercard monopolize vast terminal channels and fee structures, and when payments are naturally divided by national borders—making cross-border transfers take days and incur high costs.

This forces the internet into only one viable path: "free content + ad monetization," because a micro-payment economy for everyone simply isn't feasible.

But the emergence of AI Agents completely overturns this logic:

Imagine when the consumer of content shifts from "humans" to "AI Agents," the traditional attention-based business model is bound to fail—you can't sell products to an algorithm.

To support Agent-native payment infrastructure, it must meet requirements like high-frequency API calls, automated transactions, and cross-platform data scraping—naturally demanding a more "instant, micro, borderless" payment system.

(Say it loud: Crypto!)

This is the real reason behind PayPal launching @GoKiteAI, Stripe developing @tempo, and Tether unveiling @Plasma and @stable as a powerful duo. The entire payment ecosystem is about to undergo massive transformation!

This is precisely the foundational narrative for x402 + blockchain as a killer application scenario:

Blockchain, especially @solana, enables ultra-low fees and high TPS, allowing precise pricing and millisecond-level settlement for every API call and data access.

Combined with the x402 protocol, it establishes a seamless end-to-end flow: "AI sends request → Facilitator processes payment → content delivered."

Thus, Crypto has already built essential infrastructure for the internet, while x402 becomes the key protocol connecting the internet and Crypto. Now moms won't have to worry anymore about their kids working in AI+Crypto.

Therefore, x402 is more than just a payment protocol—it's the cornerstone of the internet's economic model in the AI era, the first piece enabling true integration between Crypto and AI.