Migrating to x402 v2: what actually changed (and the traps nobody documents)
We run FiatDock — a non-custodial USDC ↔ bank on/off-ramp where AI agents pay $0.05 per call over x402. This week we migrated the whole stack (Express…
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I built a pay-per-record data marketplace for AI agents on x402 - On the CDP Bazaar
The problem: agents need citable facts; public data is scattered across 100s of APIs. What OSF does: collect → provenance-stamp → serve over MCP + x40…
I Added x402 Payments to Base's Agent Skills — Here's How
If you build agents on Base, two things landed recently that are worth connecting. First: Base shipped its own Agent Skills. There's now a base/skills…
An AI agent just paid a Lightning invoice. The agent only holds USDC.
Today something happened that hasn't happened before. An AI agent sent a task to Cinderwright: "tell me a joke." The agent's wallet holds USDC on Base…
AllUnity's SEKAU: A MiCA Stablecoin for Agents
Two weeks ago I argued that the 98.6% USDC concentration running through agentic payments was the most under-discussed structural risk in the space. T…
I Built a Pay-Per-Call Crypto Signal API with x402 — Heres the Architecture
I Built a Pay-Per-Call Crypto Signal API with x402 — Here's the Architecture TL;DR: I shipped a live crypto signal API where every call costs $0.01 in…
I tried monetizing my MCP server with x402 — production needs more than npm install
I built DomainIntel , a free MCP server that does domain intelligence — WHOIS, DNS analysis, SSL checks, email security scoring. It runs on Vercel ser…
What I Learned Building a 402-Powered API for Agent Workflows
Disclosure: I used AI as an editing/drafting assistant for this post, but the architecture, examples, and technical claims here are mine and were revi…
Spraay just introduced new endpoints for Solana Agents.
If you've built a Solana DeFi agent recently, you know the shape of the work. You write a quote function. It calls Jupiter directly because that's whe…
Let Your AI Agent Pay for APIs Automatically with x402 + AgenticTrade
Here's the problem with AI agents today: they can do incredible things, but they can't pay for them. You've built a LangChain agent, a CrewAI team, or…
Monetizing AI Agents with x402, CloudFront, and Lambda@Edge
Introduction Recently, have you been hearing the term x402 more often? As payments between AI Agents become a reality, x402 is attracting attention as…
How to Build a Pay-Per-Call MCP Server with x402 and USDC
If you've built MCP servers for Claude Code, you know the distribution problem: anyone who installs your server gets unlimited free access. There's no…
A $1 verified-badge for x402 services — fully autonomous, machine-paid
A $1 verified-badge for x402 services — fully autonomous, machine-paid TL;DR: We just shipped POST /api/v1/verified on x402station — a $1 USDC audit e…