{
  "data": null,
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/people/erik-reppel/",
    "json": "https://www.anchorterminal.com/people/erik-reppel/index.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/people/erik-reppel/index.md",
    "mcp": "https://www.anchorterminal.com/mcp",
    "slim": "https://www.anchorterminal.com/people/erik-reppel/index.min.md"
  },
  "markdown": "Co-author of the x402 whitepaper; TSC Chair, x402 Foundation.\n\n## What Erik builds\n\n- [x402](https://www.anchorterminal.com/tools/x402.md), graded A, 80/100, in Pay-per-call protocols. Protocol for per-request stablecoin payments using HTTP 402. Co-author of the x402 whitepaper; TSC Chair, x402 Foundation, researched 2026-10-28.\n\n## Works with\n\n- [Brian Armstrong](https://www.anchorterminal.com/people/brian-armstrong/), Co-founder and CEO, Coinbase\n- [Fred Ehrsam](https://www.anchorterminal.com/people/fred-ehrsam-2/), Co-founder, Coinbase\n\n## Questions\n\n### Who is Erik Reppel?\n\nErik Reppel is co-author of the x402 whitepaper; TSC Chair at x402 Foundation.\n\n### What does x402 Foundation (Linux Foundation) make?\n\nAnchor Terminal lists x402 from x402 Foundation (Linux Foundation). Protocol for per-request stablecoin payments using HTTP 402.\n\n### How are Erik's tools graded?\n\nx402 is graded A, 80 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://x402.org/\n- https://x402.org/contact/\n- https://x402.org/linux-foundation-announces-operational-launch-of-x402-foundation-to-standardize-internet-native-payments-for-ai-agents-and-applications/\n- https://x402.org/leadership/\n- https://x402.org/x402-whitepaper.pdf\n- https://en.wikipedia.org/wiki/Coinbase\n- https://www.ycombinator.com/companies/coinbase\n- https://en.wikipedia.org/wiki/Brian_Armstrong_(businessman)\n- https://en.wikipedia.org/wiki/Fred_Ehrsam\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "attributionRequired": true,
    "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-28",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.7",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run",
    "terms": "https://www.anchorterminal.com/terms/#data"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "People building AI tools",
        "url": "https://www.anchorterminal.com/people/"
      },
      {
        "name": "Erik Reppel",
        "url": ""
      }
    ],
    "description": "Erik Reppel is co-author of the x402 whitepaper; TSC Chair at x402 Foundation. x402 on Anchor Terminal, with grades, an about and public profiles.",
    "facts": null,
    "h1": "Erik Reppel",
    "image": "https://www.anchorterminal.com/assets/og/default.png",
    "path": "/people/erik-reppel/",
    "published": "",
    "section": "people",
    "title": "Erik Reppel, x402 Foundation (Linux Foundation) | Anchor Terminal",
    "toc": null,
    "updated": "2026-10-28",
    "url": "https://www.anchorterminal.com/people/erik-reppel/"
  },
  "tokens": {
    "markdown": 650,
    "slim": 530
  },
  "version": 1
}