Skip to content
Arc Testnet — names have no monetary value yet
Search the docs
/
⌘K
Guides
API Reference
Support
Ask AI
Open app
ArcNS
/
/.well-known/x402
/.well-known/x402
GET
/.well-known/x402
Response Body
200
404
application/json
cURL
JavaScript
Go
Python
Java
C#
Rust
curl -X GET "https://example.com/.well-known/x402"
200
404
Empty
Browse the docs
Get started
Why get a name
What a permanent name does for you
Register your name
Register in a few minutes
What you can do
Every feature, explained
Use it
Get paid by name
QR + shareable payment link
Fees
Pay once, own forever
Invite friends
Your referral link
Build
Resolver API
Name → address lookup, x402, RaaS
SDK quickstart
@arcns/resolve in ten minutes
MCP server
Names for AI agents
Reference
Trust & transparency
Ownership you can audit
Contracts
Every deployed address
Common questions
Everything holders ask
Legal
Terms of use
Terms for the name service
Privacy
What is collected, what is public
Trademark
Marks and the independent-project position
