Do I need an account to use the API?

No. There is no signup, no login and no password anywhere on Worthly. A paid key is an email address plus a secret string; we store only a hash of the secret, and you send it with each request.

Is the price a subscription?

No. Both paid plans are one-time payments. Nothing renews and nothing is charged automatically, ever.

Which networks can I pay with?

PayPal (card or balance), or USDC on BNB Smart Chain — BEP20 only. Send USDC on any other network and the funds cannot be recovered.

API pricing

Name: Worthly .si API access
Brand: Worthly
Price: 12 USD
Availability: InStock

This page covers the API only. The tools on this site are free for people checking names: the API is free at a volume that suits a person, and paid when you build a product on it — because registry checks and a maintained sales index cost real money to run. Listing a name for sale is free and separate: that lives on List your domain.

Free

$0 · no key

10 requests / hour per IP with no key at all. The site's own pages and the staged scan are not part of that quota — this limit exists so the API stays a tool for people rather than a free data feed for products.

Enough to test an integration or script a weekly check; a paid key is what a product runs on.

Starter

$12 one-time · email key

1,000 requests / day with a key, plus the full sales index in one call (/api/sales.php?limit=500).

For a side project or a client site.

Pro

$29 one-time · email key

5,000 requests / day, a daily CSV of the sales index, and priority on new endpoints (for-sale watch, alerts).

For products that resell this data.

How to pay

PayPal

paypal.me/amousab99

Card or PayPal balance — the fastest route. Put the email address you want the key sent to in the payment note.

Pay $12 · Starter → Pay $29 · Pro →

The amount is already in the link: paypal.me/amousab99/12 or paypal.me/amousab99/29.

USDC · BNB Smart Chain (BEP20)

0xA2fca9Bc3e0BB3d858Ea1dAFf654D929a6D80b7D

BEP20 only. This is our USDC deposit address on BNB Smart Chain. Send USDC on any other network and the funds are lost forever — check the network before you confirm.

Then email the transaction hash (or the PayPal receipt) plus the address for your key to hello@worthly.si. Keys are issued by hand while automated checkout is being finished — usually the same day.

Paying by card? Use the PayPal link — it accepts cards as well as PayPal balances, and keys are issued the same day.

What you get, and what we will not do

Included

The same registry-accurate availability the site uses (RDAP) with DNS as a second witness.
The tracked .si sales index with venue, date and a verified/reported label.
The appraisal engine, including every modifier it applied — no black box.
Rate-limit headers on every response: X-RateLimit-Limit, Remaining, Reset.

Not done here

No accounts, no passwords. The key is the credential, and only its hash is stored on our side.
No automatic charges. One-time payments only; nothing renews behind your back.
No freshness games. Results are cached for 10 minutes — hammering the endpoints will not make them newer.
No resale of the raw data as a dataset without asking first: write to us for a data agreement.

Ready to start? Write to hello@worthly.si with the plan you want, pay by either method above, and the key comes back by email. If you only need a few hundred checks a month, stay on the free tier — that is what it is for.

Endpoint reference: the API page · live sample call · how the numbers are built