Preview transaction fee
Utilities
Preview transaction fee
Calculates the fee for a specific transaction type before executing it. Useful for showing users their total cost in pre-confirmation UIs.
POST
Preview transaction fee
Headers
Bearer JWT for user-facing flows (Bearer eyJraWQ...), or the literal string NONE when authenticating via API key.
Example:
"Bearer eyJraWQ..."
API key for server-to-server flows, or the literal string NONE when authenticating via JWT.
Example:
"pcx_abc123_xxxx"
Body
application/json