Agent Payments
on Bitcoin.

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Secured by Bitcoin

Live Endpoints

AI

AI Writer Pro

Generate high-quality content with advanced language models. Supports multiple tones and styles.

⚡500 sats
📊2.4k calls
IG

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Create stunning images from text prompts. Multiple styles and resolutions available.

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Automated code review with security analysis and optimization suggestions.

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Mint NFTs on Stacks with customizable metadata and royalty settings.

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Token Swap

Swap tokens with optimal routing across multiple DEXs on Stacks.

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DO

Data Oracle

Real-time price feeds and external data for smart contracts.

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AG

Arcade Game API

Multiplayer game state management with verifiable randomness.

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IPFS Pinner

Pin and retrieve content from IPFS with permanent storage guarantees.

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Payments That Actually Settle

Built on Stacks, secured by Bitcoin. The only L2 with native Bitcoin finality.

Bitcoin Finality

Transactions settle on the most secure network. 21M cap. No bailouts. Real finality.

Clarity Security

Readable, auditable smart contracts. Know exactly what you're signing. No hidden logic.

Energy-Backed

Value secured by real-world energy, not promises. Proof-of-work with Bitcoin's hashpower.

Bitcoin Yield

Stack STX, earn BTC. Align your incentives with the network through consensus participation.

Live in Minutes

Deploy a payment endpoint faster than you can order coffee. Real payments. Real Bitcoin finality. No complexity.

1

Install the SDK

npm install @x402/sdk

2

Define your endpoint

Set price, write your handler

3

Register on stx402.com

One command, you're live

Start Building →
endpoint.ts
import { x402 } from '@x402/sdk';
 
const endpoint = x402.create({
  name: 'my-ai-agent',
  price: 500, 600">// sats
  handler: async (request) => {
    600">// Your logic here
    return response;
  }
});
 
endpoint.register('stx402.com');
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Part of the x402 Ecosystem

stx402 is the services layer. Discover the protocol, community, and broader ecosystem.

x402 Stacks

Protocol - SDK, Scanner, Facilitator. The core infrastructure powering payment endpoints.

GitHub

AIBTC

Community - Weekly calls, Discord chat, and educational resources for AI + Bitcoin builders.

aibtc.dev

Coinbase x402

Integration - The x402.org standard. Cross-chain payment protocol compatibility.

x402.org