Check that the API is reachable and that your Project API token is accepted.
Ping the API
GET
https://api.lettermint.co/v1
/ping
Bearer
or
x-lettermint-token (header)
This endpoint can be used to check the API status and verify authentication.
It accepts both Team API tokens (via Bearer authentication) and Project API tokens (via X-Lettermint-Token header).
