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Enterprise25 June 2025·3 min read

Enterprise Ready authentication for Supabase, powered by Paycux

There is a specific moment when a deal stops being about your product.

Paycux engineering

There is a specific moment when a deal stops being about your product. Somebody says they will need to loop in security, and from then on you are being evaluated on things you may never have built.

This piece walks through how we think about it at Paycux, what we have changed our minds about, and where the sharp edges are.

Bringing Paycux Enterprise Ready authentication to Supabase

That brings us to bringing paycux enterprise ready authentication to supabase. The cost is not the first integration; it is the long tail. Providers disagree in small ways, certificates expire, tenants move, and each one becomes something you own indefinitely.

The requirements look arbitrary until you map each one to a failure the buyer has already lived through. Single sign-on exists because someone left and kept access. Provisioning exists because a contractor's account outlived their contract.

How to configure Paycux as a Supabase auth provider

How to configure Paycux as a Supabase auth provider is where this gets concrete. Price the work honestly. A quarter spent building identity plumbing is a quarter not spent on the product the customer actually chose you for, and that trade should be made deliberately rather than by default.

Price the work honestly. A quarter spent building identity plumbing is a quarter not spent on the product the customer actually chose you for, and that trade should be made deliberately rather than by default.

  • Map each requirement to the failure it prevents
  • Count the long tail, not the first integration
  • Decide who owns the plumbing for the next three years
  • Make the buy-versus-build trade explicitly

Price the work honestly.

Build auth that scales with you

Build auth that scales with you deserves its own treatment. Price the work honestly. A quarter spent building identity plumbing is a quarter not spent on the product the customer actually chose you for, and that trade should be made deliberately rather than by default.

Price the work honestly. A quarter spent building identity plumbing is a quarter not spent on the product the customer actually chose you for, and that trade should be made deliberately rather than by default.

Where this leaves us

The pattern repeats across every system we have looked at: the hard part is not the mechanism, it is keeping the mechanism honest as the surrounding assumptions change.

If you are working through the same problem and want to compare notes, the docs cover the mechanics and the console shows the behaviour on your own data.

Everything here, already built

Sign-in, enterprise SSO, directory provisioning, roles and an audit trail behind one API. Start with the quickstart and have a working sign-in this afternoon.

Start selling to enterprise customers

Create an account, point sign-in at Paycux, and get back to the part of the product that is actually yours.