Get Agent Version

GET/v1/agents/{agent_id}/versions/{version}

Read one version snapshot. version must be a positive integer, otherwise 400. created_at is an ISO 8601 string here, while Agent objects use Unix seconds. note appears only when the change that created the version sent one.

Path parameters

stringagent_idrequired

Agent ID (agt_ prefix).

integerversionrequired

Version number, starting at 1.

curl -X GET https://api.sandbase.ai/v1/agents/agt_8c1f2b9e-3d4a-4f6b-9c2e-1a7d5e3b4c60/versions/1 \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response200 OK

{
  "version": 1,
  "agent": {
    "name": "Research assistant",
    "model": "deepseek/deepseek-v4-flash",
    "instructions": "Answer with cited sources."
  },
  "checksum": "d04d38eb890a1273fa7965a6a7cdc2426232326e43b901d1aad3ed669455acbf",
  "created_at": "2026-10-05T08:00:00.000Z"
}