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Payment links are reusable URLs you create in the dashboard. Each visit mints a fresh payment intent, so one link can collect unlimited payments.
  1. Dashboard → Payment links → set a title, choose token & chain.
  2. Set a fixed amount, or leave it blank to let the customer choose (donations, tips, pay-what-you-want).
  3. Optionally lock the link to one payer’s email — invoicing a known customer. They see it masked on the page and can’t change it. Leave it open and the page asks whoever opens it for their own address.
  4. Share https://pay.puffinmoney.com/link/<slug> — chat, invoice, email signature, QR on a receipt, anywhere.
The payer never signs in and never creates an account. The one thing the page insists on is an email address, so the payment receipt has somewhere to go.

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Programmatic use

Create an intent from a link (public endpoint, no API key):
Then send the customer to checkoutUrl or open it with the iframe SDK:
Amount is required in the request only when the link has no fixed amount. customerEmail is required only when the link isn’t locked to a payer — a locked link always uses its own address and ignores anything you send. Without either, use the hosted page (/link/<slug>, or PuffinPay.openLink with no customerEmail) and the payer supplies it themselves.