StableDomains

Domain registration via micropayments. No accounts. Pay USDC on Base.

How it works

1POST a domain to /api/check — get availability and price
2POST to /api/register with payment — registration begins
3Poll /api/job/status — domain goes live with Route53 DNS

Example

POST /api/check

POST /api/check
Content-Type: application/json

{
  "domain": "example.com"
}

Response

HTTP/1.1 402 Payment Required
PAYMENT-REQUIRED: <base64 payment details>

// Pay $0.01 USDC on Base, then:

{
  "available": true,
  "domain": "example.com",
  "tld": "com",
  "priceUsd": 20,
  "renewalPriceUsd": 20,
  "multiplier": "1.0x",
  "slotsRemaining": 8
}

Endpoints

Endpoint	Price	Auth
`POST /api/check` Check domain availability and price	$0.01–$0.05	x402
`POST /api/register` Register a domain with Route53 DNS	$20–$150	x402
`POST /api/domain/renew` Renew a domain for another year	$20–$150	x402
`GET /api/domain/status` Check domain registration status	Free	SIWX
`POST /api/domain/dns` Manage DNS records	Free	SIWX
`POST /api/domain/transfer-out` Transfer domain to another registrar	Free	SIWX
`GET /api/job/status` Poll registration job progress	Free	SIWX

Pricing

TLD	Registration	Renewal	Check
.com	$20	$20	$0.01
.org	$20	$20	$0.01
.net	$20	$20	$0.01
.info	$20	$20	$0.01
.biz	$20	$20	$0.01
.xyz	$20	$20	$0.05
.dev	$25	$25	$0.05
.app	$25	$25	$0.05
.io	$85	$85	$0.05
.ai	$150	$150	$0.05

Registration prices shown are base (1.0x). A bonding curve applies as daily slots fill: slots 1-5 at 1.0x, 6-7 at 1.5x, 8-9 at 2.5x, slot 10 at 5.0x. Max 10 registrations per day.

Supported TLDs

.com .org .net .info .biz .xyz .dev .app .io .ai

Discovery

Resource discovery at /.well-known/x402

Agent instructions at /llms.txt