I have a sandbox account which I've created to implement webhooks endpoint for our application. I've bin playing around to simulate different types of transaction. With the sendbox I was able to get only next transaction types at my webhooks endpoint:
How can I simulate the rest 76 transaction with types missed from my list?
I need this because transactions with different types are going to be mapped on a different entities internally and to correctly map everything I need to have some data examples.
You have not missed anything. Unfortunately our sandbox only supports simulating a subset of the transactions that can occur live. We know this makes it difficult for developers such as yourself to build against and is something we're actively working on.
In the meantime, you can reference the Transaction Response Model, which is the same model as in the webhook payload for transaction.* events.