List sessions

⚠️
Preview — this feature is being built; the design below is the spec.
GET https://app.syntic.ai/v1/sessions

Return sessions in the workspace, newest first. Sessions from messaging channels and from the API appear in one list; filter by channel to separate them.

For how this fits into a full workflow, see Sessions.

Headers

HeaderRequiredValue
AuthorizationYesBearer <key>: a private inference key (sk_live_...). See Authentication.
syntic-betaYes, while in previewagents-2026-11-01. Without it the call fails with 400 beta_required. See Versioning.

Query parameters

ParameterTypeDefaultDescription
agent_idstringSessions of one agent.
statusstringrunning, requires_action, idle or archived.
channelstringapi, telegram, slack, whatsapp and so on.
limitinteger201 to 100.
after_idstringNext page: the previous page’s last_id.
before_idstringPrevious page.

Response

200 OK, Content-Type: application/json

{
  "data": [
    {
      "id": "sesn_01JC7M2K4P6R8T0V2X4Z",
      "type": "session",
      "agent_id": "agt_01JC4R8W6Q2N9X3T5V7Y",
      "agent_version": 4,
      "status": "requires_action",
      "channel": "api",
      "title": "Refund for order 88123",
      "usage": {
        "input_tokens": 0,
        "cached_input_tokens": 0,
        "output_tokens": 0,
        "cost_usd": "0.0000"
      },
      "outcome": null,
      "created_at": "2026-11-05T10:00:00Z",
      "last_event_at": "2026-11-05T10:00:00Z",
      "metadata": {}
    }
  ],
  "has_more": false,
  "first_id": "sesn_01JC7M2K4P6R8T0V2X4Z",
  "last_id": "sesn_01JC7M2K4P6R8T0V2X4Z"
}

Examples

curl -sS "https://app.syntic.ai/v1/sessions?agent_id=agt_01JC4R8W6Q2N9X3T5V7Y&status=requires_action" \
  -H "Authorization: Bearer $SYNTIC_API_KEY" \
  -H "syntic-beta: agents-2026-11-01"

Errors

Errors use the error envelope and carry a request_id. Codes specific to this operation:

StatustypecodeWhen
400invalid_request_errorbeta_requiredThe syntic-beta header is missing.
400invalid_request_errorinvalid_parameterUnknown filter value.
401authentication_errorinvalid_api_keyThe key is missing, unknown, revoked or expired.
429rate_limit_errorrate_limitedToo many requests; wait for Retry-After. See Rate-limit headers.
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