Salt · uneedsalt.com

Buy live yeses.

Your key. Copy it now. This page shows it once.

What you do with them

Put this key on the app that can pay, send, post, or deploy. The person who taps never sees the key.
When that app wants to act, it asks Salt. A packet pops on their screen.
They tap Yes. That spends one yes from this pack. They are not charged.
Your app reads the receipt. If it is not live, the app stops. It does not pay, send, post, or deploy.

Example. The packet says pay a vendor $12. The person taps Yes. Salt does not take that money. The $12, if it is paid, is a later charge from their card to the vendor. Salt only spent one yes you already bought.

You run an app that can pay, send, post, or deploy on its own. Salt stops it until a person taps Yes. You pay for those taps here. The human never pays.

One yes is one tap. Start is $9 for 1,000. Each Yes spends one from your key. A number in the call, such as paying a vendor $12, is the action they are approving. Salt does not take that money.

Buy a pack. Salt gives you a host key.
Put the key on the app. The person never sees it.
Before the agent acts, the app calls Salt. A packet pops. The person taps Yes.
Your app checks the receipt. If it is not live, do not do the action.

Paste this on your app. After checkout, your key replaces the placeholder.

<script src="https://uneedsalt.com/js/salt.js"></script>
<script>window.SALT_KEY = 'sk_live_…'</script>

const rec = await Salt.yes({ who: 'your-app', action: 'pay', to: 'vendor', amount: '12' })
if (!rec || !rec.live) throw new Error('no')

The person sees the packet and taps Yes. You already paid for that tap. Agents that have no key can buy one tap for $0.50 at POST /api/salt/live. A pack is the cheaper way when you expect more than a few.

Same key from Cursor, Claude, or ChatGPT: Authorization: Bearer sk_… on POST /api/salt/mcp. Docs: salt.txt · llms.txt · openapi.yaml.