# x402

**Source:** https://www.startuphub.ai/startups/coinbase-x402
**Profile type:** Startup

> An open-source, web-native payment protocol enabling autonomous AI agents to transact over HTTP.

## About

x402 is an open, neutral standard for internet-native payments that natively enables payments between clients and servers using HTTP 402. It aims to create win-win economies for agentic payments at scale, empowering a more free and fair internet by allowing any request to require payment without accounts or fees. This standard serves developers and AI agents looking for a frictionless, instant, and decentralized way to transact online.

## Key facts

- **Slug:** coinbase-x402
- **Website:** https://x402.org
- **Location:** San Francisco, United States
- **Founded:** 2025-05-01
- **Operating status:** Active
- **Sectors / tags:** Fintech, Blockchain, AI, Payments, Agentic AI
- **Social:**
  - Twitter: https://x.com/coinbase
  - GitHub: https://github.com/coinbase/x402

## Frequently asked

### What does x402 do?

x402 is an open, neutral standard for internet-native payments that natively enables payments between clients and servers using HTTP 402. It aims to create win-win economies for agentic payments at scale, empowering a more free and fair internet by allowing any request to require payment without accounts or fees. This standard serves developers and AI agents looking for a frictionless, instant, and decentralized way to transact online.

### Where is x402 headquartered?

x402 is headquartered in San Francisco, United States.

### When was x402 founded?

x402 was founded in 2025.

### What industry does x402 operate in?

x402 operates in Fintech, Blockchain, AI, Payments, Agentic AI.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "x402",
          "item": "https://www.startuphub.ai/startups/coinbase-x402"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/coinbase-x402#webpage",
      "url": "https://www.startuphub.ai/startups/coinbase-x402",
      "name": "x402 - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of x402. x402 is a startup founded in 2025, operating in Fintech and Blockchain. An open-source, web-native payment protocol enabling autonomous AI agents to transact over HTTP. Headquartered in San Francisco, United States.",
      "dateModified": "2026-04-12T11:37:39.135766+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/coinbase-x402#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/coinbase-x402#organization",
      "name": "x402",
      "url": "https://x402.org",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/a5d18edb-aa0b-4dd8-8248-be33a2aa1ad5-square.png",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/a5d18edb-aa0b-4dd8-8248-be33a2aa1ad5-square.png",
      "description": "This is the official profile of x402. x402 is a startup founded in 2025, operating in Fintech and Blockchain. An open-source, web-native payment protocol enabling autonomous AI agents to transact over HTTP. Headquartered in San Francisco, United States.",
      "sameAs": [
        "https://x.com/coinbase",
        "https://github.com/coinbase/x402",
        "https://www.startuphub.ai/startups/coinbase-x402"
      ],
      "foundingDate": "2025-05-01",
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "San Francisco",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "Fintech",
        "Blockchain",
        "AI",
        "Payments",
        "Agentic AI"
      ]
    },
    {
      "@type": "Product",
      "@id": "https://www.startuphub.ai/startups/coinbase-x402#profile-assessment",
      "name": "x402 - StartupHub.ai Profile Assessment",
      "url": "https://www.startuphub.ai/startups/coinbase-x402",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/a5d18edb-aa0b-4dd8-8248-be33a2aa1ad5-square.png",
      "category": "Fintech",
      "description": "This is the official profile of x402. x402 is a startup founded in 2025, operating in Fintech and Blockchain. An open-source, web-native payment protocol enabling autonomous AI agents to transact over HTTP. Headquartered in San Francisco, United States. Agent Readiness score: 52/100. Full audit: https://www.startuphub.ai/startups/coinbase-x402/agent-readiness",
      "brand": {
        "@type": "Brand",
        "name": "x402"
      },
      "review": {
        "@type": "Review",
        "author": {
          "@type": "Organization",
          "name": "StartupHub.ai"
        },
        "datePublished": "2026-04-12",
        "name": "x402 - Profile Score 10/100",
        "reviewBody": "This is the official profile of x402. x402 is a startup founded in 2025, operating in Fintech and Blockchain. An open-source, web-native payment protocol enabling autonomous AI agents to transact over HTTP. Headquartered in San Francisco, United States. Agent Readiness score: 52/100. Full audit: https://www.startuphub.ai/startups/coinbase-x402/agent-readiness",
        "reviewRating": {
          "@type": "Rating",
          "ratingValue": 10,
          "bestRating": 100,
          "worstRating": 0
        }
      }
    }
  ]
}
```