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
x402.org

x402.org

testnet
Community testnet facilitator for Base Sepolia

4.2 (42 reviews)

Community-driven testnet x402 facilitator for Base Sepolia, perfect for development and testing x402 implementations.

Visit WebsiteDocumentationGitHub
testnet
free
community
educational
base-sepolia
Key Metrics
0%
Fee
Instant
Settlement
1+
Networks
$0.001
Min Payment

Launched

5/15/2025

Uptime

99.5%

Monthly Volume

Testnet only

Quick Facts & Features

Quick Facts

Fee Structure

0%

Settlement Time

Instant

Payment Range

$0.001 - $10,000 (testnet)

Authentication

Public (No auth required)
Optional API Key

Integration Difficulty

easy

Est. Integration Time

5 minutes
Features & Capabilities
OFAC Compliance
KYT Screening
Instant Settlement
Testnet Support
SDK Available
Webhook Support
Batch Payments
Recurring Payments
Refund Support
Multi-Currency
Network Support
NetworkChain IDNative USDCEst. Gas CostStatus
Base Sepolia

84532

No

$0

Supported
Available SDKs
TypeScript
Official

@x402org/testnet-sdk

Version 1.0.5
Python
Official

x402org-testnet

Version 0.5.2

Integration Guide

Free testnet environment for learning and testing x402 payments

Estimated Time: 5 minutes
easy difficulty
1
No Signup Required

Start testing immediately without any registration

typescript
// No account creation needed
// Visit: https://x402.org/playground
2
Install Testnet SDK
3
Initialize Client
4
Get Test Tokens
5
Test Payment
Last step
Additional Resources
Full DocumentationGitHub RepositoryGet Support

Compare with Others

See how x402.org compares to other x402 facilitators

Direct Comparisons
x402.org vs Mogami
Advantages

No signup required

Community-driven

Educational focus

Disadvantages

Testnet only

Limited features

No production support

Best for:
Learning x402
Quick testing
Educational projects
Not ideal for:
Production use
Enterprise features
Real money transactions
Other Facilitators to Consider
CDP Facilitator
CDP Facilitator
Official Coinbase facilitator with zero fees on Base

Fee:

0%

Networks:

2+

Settlement:

Instant

thirdweb
thirdweb
Multi-chain facilitator supporting 170+ networks

Fee:

Variable

Networks:

5+

Settlement:

Instant

Mogami
Mogami
Base-native facilitator for AI agent micropayments

Fee:

0%

Networks:

2+

Settlement:

Instant

Reviews & Community

What the community says about x402.org

4.2

Based on 42 reviews

Rating Distribution

5★

25

4★

11

3★

4

2★

1

1★

1
Recent Reviews
S
Student Dev
10/23/2025

Perfect for learning x402! Free and easy to use for testing. Great community support.

I
Indie Builder
10/20/2025

Great for development testing. Would love to see mainnet support in the future.

Share Your Experience

Have you used x402.org? Help others by sharing your experience.

Review submission coming soon
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