This is an info Alert.
x402 Logo
  • Product
    • The Agent Payment Stack
      • Smart Proxy
        Scoped, revocable spend authority — stop runaway agent costs
      • Paywall
        Make any API billable per call — instant USDC settlement
      • Observability
        Every transaction on-chain and independently verifiable
    • Monetize
      • Monetize MCP Server
        Charge per call on any MCP server in 2 minutes
      • Monetize AI Agents
        Turn n8n, Zapier, Activepieces workflows into revenue
      • xpay x402 Facilitator
        Settle x402 payments on Base with our facilitator
  • Developers
    • x402 Protocol
      • Protocols
        x402, A2A, MCP, ACP, AP2, TAP — how agents transact
      • x402 Agent Frameworks
        LangChain, CrewAI, Claude MCP, AutoGPT — with x402 payments
      • Networks
        Blockchain networks supporting x402 settlement
    • Build
      • SDKs & Libraries
        Drop-in x402 SDKs for every language
      • Use Cases
        What developers are building on x402 today
      • Documentation
        Complete x402 developer documentation
    • Company
      • About xpay✦
        Our mission, products, and protocols
      • Blog
        Latest insights and updates
      • GitHub
        Open source repositories
  • Pricing
  • Docs
Get Started
thirdweb

thirdweb

live
Multi-chain facilitator supporting 170+ networks

4.6 (89 reviews)

Multi-chain x402 facilitator supporting 170+ blockchain networks with comprehensive developer tools and flexible pricing.

Visit WebsiteDocumentationGitHub
multi-chain
gaming
170+ networks
developer-friendly
web3
Key Metrics
Variable
Fee
Instant
Settlement
5+
Networks
$0.001
Min Payment

Launched

6/15/2025

Uptime

99.9%

Monthly Volume

$8.2M

Quick Facts & Features

Quick Facts

Fee Structure

Variable
(0.1-0.5% variable)

Settlement Time

Instant

Payment Range

$0.001 - $10,000,000

Authentication

API Key
JWT
+2

Integration Difficulty

medium

Est. Integration Time

20 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
Ethereum

1

Yes

$5-20

Supported
Base

8453

Yes

$0.0001

Supported
Polygon

137

Yes

$0.001

Supported
Arbitrum

42161

Yes

$0.10

Supported
Optimism

10

Yes

$0.05

Supported
Pricing Tiers
Starter

0.5%

For small projects and testing


Minimum: $0.001

Up to 170+ chains

Basic support

Standard settlement

Growth

0.3%

For growing applications


Minimum: $0.001

All chains

Priority support

Faster settlement

Analytics dashboard

Enterprise

0.1%

Custom solutions for large scale


Minimum: $0.001

All features

24/7 support

Custom integrations

Dedicated account manager

Available SDKs
TypeScript
Official

@thirdweb-dev/x402

Version 3.2.1
React
Official

@thirdweb-dev/react-x402

Version 3.2.1
Python
Official

thirdweb-x402

Version 2.1.0
Unity
Official

thirdweb-unity-x402

Version 1.3.0

Integration Guide

Complete guide to implementing multi-chain x402 payments

Estimated Time: 20 minutes
medium difficulty
1
Create Account

Sign up for thirdweb account and get API credentials

typescript
// Sign up at: https://thirdweb.com/dashboard
// Get your Client ID and Secret Key
2
Install SDK
3
Initialize Client
4
Configure Networks
5
Process Payment
Last step
Additional Resources
Full DocumentationGitHub RepositoryGet Support

Compare with Others

See how thirdweb compares to other x402 facilitators

Direct Comparisons
thirdweb vs CDP Facilitator
Advantages

170+ networks vs 2 networks

Better for multi-chain

Gaming-focused features

Disadvantages

Variable fees vs zero fees

Less enterprise compliance


Best for:
Multi-chain applications
Gaming projects
DeFi protocols
Not ideal for:
Enterprise compliance needs
Cost-sensitive applications
Other Facilitators to Consider
xpay✦ Facilitator
xpay✦ Facilitator
Non-custodial, zero-fee x402 facilitator with gas-sponsored settlement on Base

Fee:

0%

Networks:

2+

Settlement:

Sub-second

CDP Facilitator
CDP Facilitator
Official Coinbase facilitator with zero fees on Base

Fee:

0%

Networks:

2+

Settlement:

Instant

Mogami
Mogami
Base-native facilitator for AI agent micropayments

Fee:

0%

Networks:

2+

Settlement:

Instant

Reviews & Community

What the community says about thirdweb

4.6

Based on 89 reviews

Rating Distribution

5★

53

4★

22

3★

9

2★

3

1★

2
Recent Reviews
G
GameDev Studio
10/20/2025

Perfect for our multi-chain gaming platform. The network coverage is unmatched.

D
DeFi Builder
10/18/2025

Great developer experience, though fees can add up for high volume.

Share Your Experience

Have you used thirdweb? Help others by sharing your experience.

Review submission coming soon
x402 Logo

The agent payment stack — identity, wallet, and x402 settlement for the machine economy. Give AI agents scoped spend authority, make any API billable per call, and verify every transaction on-chain. Non-custodial. Multi-rail. Developer-first.

CompanyAgentically Inc. (d/b/a xpay✦)1875 Mission St, Ste 103San Francisco, CA 94103, United Stateslegal@xpay.sh · privacy@xpay.sh
or ask your AI app
Company
About xpayGitHubDiscordllms.txt
DevelopersDocumentationAPI ReferenceSDKs & LibrariesQuickstart GuideOpenAPI Spec
Stay Updated
Occasional product updates and agent-readiness playbooks from xpay (Agentically Inc.) — typically a couple of emails a month. Double opt-in: we email you a link to confirm before sending anything, and every email has one-click unsubscribe.
Social
  • Product
    • Smart Proxy
    • Paywall
    • Observability
    • Monetize MCP Server
    • Monetize AI Agents
    • xpay x402 Facilitator
  • Protocols
    • Overview
    • x402
    • A2A
    • MCP
    • ACP
    • AP2
    • TAP
  • x402 Ecosystem
    • Agent Frameworks
    • Networks
    • SDKs & Libraries
    • Facilitators
    • Use Cases
    • Companies
  • Developers
    • Documentation
    • Quickstart
    • x402 Agent Frameworks
    • API Reference
    • GitHub
  • Agentic Economy
    • Timeline
    • Resources
    • Manifesto
    • Stack
  • Company
    • About xpay
    • Blog
    • Docs
    • GitHub

© 2025 Agentically Inc. All rights reserved.
Privacy PolicyTerms of UseAcceptable Use Policy