curl --location --request POST 'https://api.flashcat.cloud/api/n9e/relabel-test' \
--header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhY2Nlc3NfdXVpZCI6IjdjMGM4YmQyLTExOTYtNDlmYS04YzY0LWE0NDE2ODQ4NTUzYSIsImF1dGhvcml6ZWQiOnRydWUsImV4cCI6MTc0OTg4ODQ4MCwidXNlcl9pZGVudGl0eSI6IjEtcm9vdCJ9._S1Isb29viOhHyVrjbwIUjPZnNQXewmb4zftVeqbFpA' \
--header 'X-User-Token: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"configs": [
{
"source_labels": [],
"separator": "",
"regex": "",
"target_label": "",
"replacement": "",
"action": ""
}
],
"tags": ["a=b"]
}'