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PATCH
Advance Step

Authorizations

Authorization
string
header
required

A personal access token (haico_pat_...), created under Profile → API keys. Send it as Authorization: Bearer <key>. The browser session JWT is also accepted but is an internal mechanism and is not part of the public contract.

Path Parameters

session_id
integer
required

Body

application/json
step
string
required
Required string length: 1 - 64

Response

Successful Response

A study session as returned to the participant.

id
integer
required
study_code
string
required
current_step
string
required
status
string
required
started_at
string<date-time>
required
participant_code
string | null
condition_order
string[]
task_order
string[]
counterbalance_index
integer
default:0
completed_at
string<date-time> | null
study_thread_id
string | null