List tunnels
⚠️
Preview — this feature is being built; the design below is the spec.
GET https://app.syntic.ai/v1/tunnelsReturn the workspace’s tunnels with their live connection state.
For how this fits into a full workflow, see MCP tunnels.
Headers
| Header | Required | Value |
|---|---|---|
Authorization | Yes | Bearer <key>: a private inference key (sk_live_...). See Authentication. |
syntic-beta | Yes, while in preview | mcp-tunnels-2026-12-01. Without it the call fails with 400 beta_required. See Versioning. |
Query parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
status | string | connected, disconnected or disabled. | |
limit | integer | 20 | 1 to 100. |
after_id | string | Next page: the previous page’s last_id. | |
before_id | string | Previous page: the previous page’s first_id. |
Response
200 OK, Content-Type: application/json
{
"data": [
{
"id": "tnl_01JCE4G6J8L0N2Q4S6U8",
"type": "tunnel",
"name": "erp-onprem",
"description": "On-prem ERP MCP server",
"workspace_id": "wrkspc_01JC0A2C4E6G8J0L2N4Q",
"allowed_targets": [
"http://erp-mcp.internal:8080/mcp"
],
"auth_mode": "token",
"status": "connected",
"connections": {
"active": 2,
"last_seen_at": "2026-11-05T10:00:31Z"
},
"region": "eu",
"created_at": "2026-10-28T09:00:00Z",
"updated_at": "2026-10-28T09:00:00Z"
}
],
"has_more": false,
"first_id": "tnl_01JCE4G6J8L0N2Q4S6U8",
"last_id": "tnl_01JCE4G6J8L0N2Q4S6U8"
}| Field | Type | Description |
|---|---|---|
data | array | The objects on this page, newest first. |
has_more | boolean | true when another page exists after this one. |
first_id | string or null | Pass as before_id to go back a page. |
last_id | string or null | Pass as after_id to get the next page. |
Examples
curl -sS "https://app.syntic.ai/v1/tunnels" \
-H "Authorization: Bearer $SYNTIC_API_KEY" \
-H "syntic-beta: mcp-tunnels-2026-12-01"Errors
Errors use the error envelope and carry a request_id. Codes specific to this operation:
| Status | type | code | When |
|---|---|---|---|
| 400 | invalid_request_error | beta_required | The syntic-beta header is missing. |
| 401 | authentication_error | invalid_api_key | The key is missing, unknown, revoked or expired. |
| 429 | rate_limit_error | rate_limited | Too many requests; wait for Retry-After. See Rate-limit headers. |
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