POST /v1/marketing/experiments/{experiment_id}:start
MarketingService_StartExperiment
The server validates credentials, tenant, environment and permissions. This page does not send requests. Replace example values; deployed server validation remains authoritative.
Parameters
experiment_idpath · string · required
Request body
expected_versionstringexperiment_idstring
cURL
curl --request POST 'https://nexus-api.rainlib.com/v1/marketing/experiments/{experiment_id}:start' \
--header 'Authorization: Bearer <NEXUS_ACCESS_TOKEN>' \
--header 'Content-Type: application/json' \
--data '{
"expected_version": "<value>"
}'Response contract
200 · OK
attribution_modelstringattribution_window_secondsstringcodestringcreated_atstringcurrencystringdescriptionstringends_atstringenvironment_idstringidstringnamestringobjective_eventstringstarts_atstringstatusstringupdated_atstringvariantsarrayExpand fields
allocation_bpsinteger · int32campaign_idsarraycodestringexpected_cost_per_assignmentstringidstringis_controlbooleannamestring
versionstring
Generated responses do not enumerate every runtime error. See the integration guide for authentication, conflicts and retries.