--- title: "x402 — AI theme on Above the Fog" canonical_url: https://abovethefog.app/themes/x402 as_of: 2026-09-27 updated: 2026-09-28T22:02:40Z --- # x402 [Home](https://abovethefog.app/index.md) › [Themes](https://abovethefog.app/themes.md) › [Protocols & infra](https://abovethefog.app/themes/protocols_infra.md) › [Agent payments](https://abovethefog.app/themes/agent_payments.md) › x402 x402 is a payment rail on Above the Fog’s AI hype radar, under Agent payments. On Sep 27, 2026, 8 kept stories were about it (0.5% of the day, against a 7-day average of 0.3%). 58 stories in 7 days, up 32% on the week before. - **Stories on Sep 27:** 8 - **Share of the day:** 0.5% - **Share, 7-day average:** 0.3% - **Change vs the 7-day average:** +0.1 percentage points - **Stories in 7 days:** 58 - **The 7 days before:** 44 - **Week over week:** rising (at least 25% more than the week before) - **Under:** [Protocols & infra](https://abovethefog.app/themes/protocols_infra.md) › [Agent payments](https://abovethefog.app/themes/agent_payments.md) ## Topics in this theme The tracked topics most present in its stories of the last 7 days: 1. [x402](https://abovethefog.app/topics/x402.md) — 55 stories (the 7 days before: 43) 2. [AI agents](https://abovethefog.app/topics/ai_agents.md) — 30 stories (the 7 days before: 31) 3. [Model Context Protocol](https://abovethefog.app/topics/mcp.md) — 12 stories (the 7 days before: 8) 4. [Agentic commerce](https://abovethefog.app/topics/agentic_commerce.md) — 11 stories (the 7 days before: 3) 5. [Jev](https://abovethefog.app/topics/jev.md) — 3 stories (the 7 days before: 0) 6. [Claude](https://abovethefog.app/topics/claude.md) — 3 stories (the 7 days before: 0) 7. [Decision models](https://abovethefog.app/topics/decision_models.md) — 1 story (the 7 days before: 0) 8. [TypeSafe AI](https://abovethefog.app/topics/typesafe_ai.md) — 1 story (the 7 days before: 0) 9. [LangGraph](https://abovethefog.app/topics/langgraph.md) — 1 story (the 7 days before: 0) 10. [OpenAI](https://abovethefog.app/topics/openai.md) — 1 story (the 7 days before: 0) 11. [Claude Code](https://abovethefog.app/topics/claude_code.md) — 1 story (the 7 days before: 0) ## Companies in its stories The main company involved in each story, by share of the stories (53% involve none): - Other company — 31% - Coinbase — 8.6% - Anthropic — 3.5% - Meta — 1.7% - Google — 1.7% ## Kinds of stories - News — 34% - Show and tell — 29% - Opinion — 16% - Tutorial — 14% - Question — 5.2% - Research — 1.7% ## Where its stories come from | Source | Stories in 7 days | Share | |---|---:|---:| | DEV Community (dev.to) | 19 | 33% | | Google News (RSS) | 11 | 19% | | Mastodon (fediverse) | 10 | 17% | | Reddit | 8 | 14% | | GitHub | 5 | 8.6% | | Hacker News | 3 | 5.2% | | Podcasts (Apple + niche RSS) | 2 | 3.5% | ## Top stories on Sep 27 1. [caiovicentino/jev-risk-check-provider: x402 risk-check provider: TypeSafe Jev \(System One\) typed decisions + ES256-signed attestations for agent payments](https://github.com/caiovicentino/jev-risk-check-provider) — GitHub (caiovicentino) · Sep 27 · score 2 2. [A crypto sentiment API that AI agents pay for autonomously \(x402 protocol\)](https://news.ycombinator.com/item?id=49870296) — Hacker News (crypto-sentiment-x402.onrender.com) · Sep 27 · score 2 · 0 comments 3. [thesmithdao/x402-mqtt: x402 payments over MQTT. Devices sell their data to agents, paid in USDC on Base.](https://github.com/thesmithdao/x402-mqtt) — GitHub (thesmithdao) · Sep 27 · score 1 4. [Building an x402 Settlement Client in Python: Lessons from a Real Testnet Transaction](https://dev.to/jiahui-miao/building-an-x402-settlement-client-in-python-lessons-from-a-real-testnet-transaction-3b51) — DEV Community (dev.to) (#python) · Sep 27 · score 0 · 0 comments 5. [How to Scrape Behind Cloudflare with 0 API Keys: Pay-Per-Query on Base L2 \(x402\)](https://dev.to/artmcclellan2521995sys/how-to-scrape-behind-cloudflare-with-0-api-keys-pay-per-query-on-base-l2-x402-56me) — DEV Community (dev.to) (#webscraping) · Sep 27 · score 0 · 0 comments ## Stories per day, last 30 days | Day | Stories | |---|---:| | Sep 27, 2026 | 8 | | Sep 26, 2026 | 8 | | Sep 25, 2026 | 13 | | Sep 24, 2026 | 4 | | Sep 23, 2026 | 9 | | Sep 22, 2026 | 4 | | Sep 21, 2026 | 12 | | Sep 20, 2026 | 4 | | Sep 19, 2026 | 4 | | Sep 18, 2026 | 4 | | Sep 17, 2026 | 12 | | Sep 16, 2026 | 7 | | Sep 15, 2026 | 3 | | Sep 14, 2026 | 10 | | Sep 13, 2026 | 6 | | Sep 12, 2026 | 3 | | Sep 11, 2026 | 7 | | Sep 10, 2026 | 8 | | Sep 9, 2026 | 2 | | Sep 8, 2026 | 2 | | Sep 7, 2026 | 4 | | Sep 6, 2026 | 4 | | Sep 5, 2026 | 7 | | Sep 4, 2026 | 0 | | Sep 3, 2026 | 6 | | Sep 2, 2026 | 2 | | Sep 1, 2026 | 6 | | Aug 31, 2026 | 10 | | Aug 30, 2026 | 5 | | Aug 29, 2026 | 2 | [Open x402 in the interactive map →](https://abovethefog.app/#theme=x402) --- Updated Sep 28, 2026, 22:02 UTC · Data: Above the Fog hype radar [HTML page](https://abovethefog.app/themes/x402) · [llms.txt](https://abovethefog.app/llms.txt) · [About & methodology](https://abovethefog.app/about.md) · [Privacy](https://abovethefog.app/about.md#privacy)