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  • Product
    • The Agent Payment Stack
      • Smart Proxy
        Scoped, revocable spend authority — stop runaway agent costs
      • Paywall
        Make any API billable per call — instant USDC settlement
      • Observability
        Every transaction on-chain and independently verifiable
    • Monetize
      • Monetize MCP Server
        Charge per call on any MCP server in 2 minutes
      • Monetize AI Agents
        Turn n8n, Zapier, Activepieces workflows into revenue
      • xpay x402 Facilitator
        Settle x402 payments on Base with our facilitator
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    • x402 Protocol
      • Protocols
        x402, A2A, MCP, ACP, AP2, TAP — how agents transact
      • x402 Agent Frameworks
        LangChain, CrewAI, Claude MCP, AutoGPT — with x402 payments
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        Blockchain networks supporting x402 settlement
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        Drop-in x402 SDKs for every language
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        Complete x402 developer documentation
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xpay Blog — Agent Readiness, Agentic Commerce & AI-Surface Playbooks

30 Apr 202610 min read
The Agent Economy
Stripe Just Shipped the Full Agentic Commerce OS: A Builder's Guide to Sessions 2026

Stripe shipped 288 launches at Sessions 2026: Link AI wallet, MPP, Issuing for agents, Tempo, Bridge, Radar, Signals. What's huge, buried, and open.

Stripe Sessions 2026Link AIMPPx402Agent Payments
22 Feb 202612 min read
X402 Protocol
Top 8 x402 Protocol Use Cases: The HTTP Payment Standard for AI Agents

HTTP 402 was reserved 30 years ago. Now x402 is processing millions of transactions. Explore 8 concrete use cases for AI agent payments.

x402HTTP 402AI Agent PaymentsProtocol
22 Feb 202614 min read
AI Agent Infrastructure
Top 10 MCP Servers Transforming AI Agent Development in 2026

MCP is doing for AI agents what USB-C did for devices. Discover the 10 production-ready MCP servers that are actually worth installing.

MCP ServersModel Context ProtocolAI AgentsDeveloper Tools
22 Feb 202614 min read
AI Agent Infrastructure
Top 15 APIs Every AI Agent Needs a Budget For (Beyond OpenAI)

Your agent's OpenAI bill is just the tip of the iceberg. Discover the 15 essential APIs agents need for browsing, search, data, communication, and compute.

AI Agent APIsAPI CostsSmart Proxyx402
22 Feb 202615 min read
AI Agent Infrastructure
Top 10 AI Agent Frameworks for 2026: A Technical Builder's Comparison

Compare the top 10 AI agent frameworks for 2026 — from LangChain and CrewAI to Google ADK and Pydantic AI. Honest pros, cons, and which supports payments.

AI Agent FrameworksLangChainCrewAIAutoGenMCP
21 Feb 202610 min read
X402 Implementation Patterns
xpay Launches Non-Custodial x402 Facilitator with Zero Fees and Gas-Sponsored Settlement

xpay deployed its own x402 facilitator — non-custodial, zero-fee payment verification and settlement on Base with gas-sponsored transactions.

x402FacilitatorNon-CustodialZero FeesBase
01 Feb 202612 min read
The Agent Economy
The first agent-launched crypto coins: $75M in volume, $100K in rug pulls, and the guardrails nobody had

AI agents launched crypto tokens. $SHELLRAISER pumped 7,000%. Honeypots drained $100K. Forensic breakdown and the guardrails that would have saved them.

CryptoAI AgentsRug PullsFinancial Guardrails
01 Feb 20268 min read
The Agent Economy
MoltBook hit 1.5M agents in 72 hours. Here's what happens when they start spending money.

1.5 million AI agents joined a social network in 72 hours with zero financial controls. Here is what happens next.

MoltBookAI AgentsAutonomous Agentsx402Financial Guardrails
​
Categories
Fundamentals
The Agent Economy
Agent Financial Operations
x402 Implementation Patterns
M2M Observability
Agent-First Infrastructure
Agent Security & Trust
The Autonomous Future
Recent posts
Stripe Just Shipped the Full Agentic Commerce OS: A Builder's Guide to Sessions 2026
30 Apr 202610 min read
Top 8 x402 Protocol Use Cases: The HTTP Payment Standard for AI Agents
22 Feb 202612 min read
Top 10 MCP Servers Transforming AI Agent Development in 2026
22 Feb 202614 min read
Top 15 APIs Every AI Agent Needs a Budget For (Beyond OpenAI)
22 Feb 202614 min read
Top 10 AI Agent Frameworks for 2026: A Technical Builder's Comparison
22 Feb 202615 min read
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Discover how xpay's infrastructure enables seamless AI agent payments on the x402 protocol

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The agent payment stack — identity, wallet, and x402 settlement for the machine economy. Give AI agents scoped spend authority, make any API billable per call, and verify every transaction on-chain. Non-custodial. Multi-rail. Developer-first.

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