This is an info Alert.
x402 Logo
  • Product
    • Core Products
      • SmartProxy
        Cost control dashboard for AI agents
      • Paywall Service
        Easy API monetization solution
      • Transaction Explorer
        Complete payment observability
  • Resources
    • x402 Ecosystem
      • Facilitators
        Payment processors powering x402
      • APIs & Services
        APIs that accept x402 payments
      • Agent Frameworks
        AI frameworks with x402 integration
      • SDKs & Libraries
        Developer tools and SDKs
    • Learn & Support
      • Networks
        Blockchain networks supporting x402
      • Use Cases
        Real-world x402 implementations
      • Documentation
        Complete x402 documentation
      • Comparisons
        How x402 compares to alternatives
    • Community
      • Blog
        Latest insights and updates
      • Support
        Get help with your integration
      • Companies
        Companies building with x402
      • About
        Learn about xpay and our mission
  • Pricing
  • Blog
  • Docs
Sign In
Get Started

API Monetization

Transform your APIs into revenue streams with pay-per-use x402 micropayments
Enable developers and businesses to monetize APIs through automated micropayments, eliminating subscription barriers and enabling true usage-based pricing for API consumers worldwide.
monetization
active
production
Featured
Recommended
Market Opportunity

$12.5B by 2027

Market Size

32% CAGR

Growth Rate

200-400% from expanded addressable market

Expected ROI

Key Benefits
  • Eliminate minimum payment barriers—serve all customer sizes
  • Automated billing reduces overhead by 95%
  • Global reach without payment gateway restrictions
  • Instant settlement improves cash flow
  • Transparent usage tracking builds trust
Payment Patterns
micropayments
pay-per-call
metered-billing
Business Model

Type: API-as-a-Service

Category: monetization

Maturity: production

Enterprise Ready: Yes

Case Studies

1 real-world implementations

Average improvement: 99.7%

x402 Logo

We're building essential tools that sit between AI agents and autonomous payments, ensuring agents never overspend while enabling instant API monetization.

Community
DocumentationGitHubDiscord
Stay Updated
Subscribe to receive the latest xpay updates and agent payment control guides.
Social
  • Agentic Economy
    • Timeline
    • Protocols
  • x402 Facilitators
    • Overview
    • CDP Facilitator
    • Corbits
    • Mogami
    • thirdweb
    • PayAI
    • Meridian
    • x402.org
  • x402 APIs & Services
    • Overview
    • Firecrawl
    • Neynar
    • Pinata
    • Hyperbolic
    • Zyte API
    • Gloria AI
    • Bonsai
  • Agent Frameworks
    • Overview
    • LangChain
    • AutoGPT
    • Claude MCP
    • CrewAI
    • Autogen
    • OpenAI Assistants
  • x402 SDKs & Libraries
    • Overview
    • @coinbase/x402
    • x402-python
    • x402-rs
    • go-x402
    • mogami-x402
    • php-x402
  • x402 Networks
    • Overview
    • Base
    • Polygon
    • Ethereum
    • Arbitrum
    • Optimism
    • BNB Chain
  • x402 Use Cases
    • Overview
    • API Monetization
    • Agent Spending Controls
    • Content Monetization
    • Data Marketplaces
    • Compute Resources
    • Micropayment Streaming
  • x402 Comparisons
    • Overview
    • x402 vs Stripe
    • x402 vs Lightning
    • x402 vs Web Monetization
    • x402 vs Unlock Protocol
  • x402 Companies
    • Overview
    • Coinbase
    • Circle
    • Anthropic
    • OpenAI
© 2024 x402 Protocol. All rights reserved.Privacy PolicyTerms of ServiceAcceptable Use Policy