Create a client
Post a POS transaction
Pagination
Typed errors
429, and retryable 5xx
responses up to three times, honours Retry-After, and times out each request
after 30 seconds.
Verify webhooks
The REST API currently contains a few endpoints that are not yet wrapped by
the SDK, including locations and direct wallet pushes. Use the generated API
reference for those calls while keeping the same bearer and retry rules.

