StableDomains

Domain registration via micropayments. No accounts. Pay USDC on Base, Solana, or Tempo.

Install StableDomains into AgentCash, run a live availability check, and keep registration and DNS management available for reuse.

Run in your terminal

Onboard into AgentCash, make one live call against this API, then save it into your agent's persistent context.

Step 1

Onboard AgentCash

Sets up AgentCash and routes you through credits if needed.

$npx agentcash onboard

Step 2

Try the API

Discovers the origin and walks the first live call path.

$npx agentcash try https://stabledomains.dev

Step 3

Add for reuse

Keeps StableDomains available in your agent's persistent context.

$npx agentcash add https://stabledomains.dev

stabledomains.dev

AgentCash Docs

How it works

1POST a domain to /api/check — get availability and price
2POST to /api/register with payment — 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, Solana, or Tempo, 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 / MPP
`POST /api/register` Register a domain with Route53 DNS	$20–$150	x402 / MPP
`POST /api/domain/renew` Renew a domain for another year	$20–$150	x402 / MPP
`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

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