Throughout the documentation, You will notice the use of UUIDs (or short: IDs) which are in GUID v4 format with a prefix.
This looks something like this: pre-xxxxxxxx-yyyy-xxxx-yyyy-xxxxxxxxxxxx, where pre- is the prefix. Some response payloads contain these IDs which basically serve as unique identifiers for the object being returned.
The prefix makes it easy to identify which API resource it's coming from.
Prefix list
| Prefix | Resource |
|---|---|
acc | Account |
chl | Channel |
cst | Customer |
evt | Event |
ety | Event Type |
inv | Invite |
irl | Invite Rule |
ivt | Invite Template |
qre | Questionnaire |
qrt | Questionnaire Template |
rev | Review |
txn | Transaction |