When to use customers.signUp
Use customers.signUp when Unprice should provision the customer money path from a plan version:
- customer record
- subscription and active phase
- entitlements from the published plan version
- billing periods
- wallet and initial credit policy when configured
- checkout redirect when the plan needs payment-provider setup
Install the SDK
Sign up the customer
planSlug to sign up for the latest published version of a plan, or planVersionId to pin the
customer to a specific published version.

Customer signup flow
After signup
Use the returnedcustomerId in runtime calls:
Next steps
One paid action
Put the first paid action on the money path.
Customer signup SDK
See the full
customers.signUp request and response shape.