Auth: required. Send an ivy_ API key (Authorization: Bearer ivy_… or X-Ivy-Api-Key), a Clerk session JWT (Authorization: Bearer …) or the Clerk __session cookie (browser sessions). See Authentication.

Restore the session to the state captured in the specified checkpoint. The session version is incremented; subsequent messages are truncated.

Request

Path parameters

sessionIdstring (uuid)

Session UUID (UUIDv7 — time-ordered)

Request body

checkpointIdstring

ID of the checkpoint to restore

Responses

`200` OK

Rollback applied

Response shape:

successboolean

sessionIdstring (uuid)

checkpointIdstring

restoredStepinteger

Graph step number of the restored checkpoint

versioninteger

New session version after rollback

updatedAtstring (date-time)

`400` Bad Request

Invalid request

Response shape: object

`401` Unauthorized

Authentication required

Response shape: object

`404` Not Found

Resource not found

Response shape: object

curl -X POST 'https://ivybiosciences.com/api/harness/sessions/{sessionId}/rollback' \
  -H "Authorization: Bearer $IVY_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "checkpointId": ""
}'

POST /harness/sessions/{sessionId}/rollback