post https://api.hel.io/v1/webhook/paylink/api-key
Create a global or pay link webhook using this endpoint. To create a global webhook, do not specify a paylinkId.
NOTE: When using Helio on mainnet, set your Base URL to https://api.hel.io and generate your API keys from moonpay.hel.io . For testnet, use https://api.dev.hel.io and generate your API keys from moonpay.dev.hel.io.