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1---2title: Rotate Tunnel Token3url: https://platform.claude.com/docs/en/api/beta/tunnels/rotate_token4---56# Rotate Tunnel Token78**POST** `/v1/tunnels/{tunnel_id}/rotate_token`910The Tunnels API is in research preview. It requires the `anthropic-beta: mcp-tunnels-2026-06-22` header and may change without a deprecation period. It supersedes the Admin API endpoints at `/v1/organizations/tunnels`, which remain available during a migration window.1112Rotates a tunnel's connector token. Rotation invalidates the current token for new connections and returns a fresh value; established connections are not severed. A connector restarted after rotation must use the new value.1314## Path parameters1516- `tunnel_id: string`1718## Headers1920- `"anthropic-beta": optional array of AnthropicBeta`2122 Optional header to specify the beta version(s) you want to use.2324 - `string`2526 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`2728 - `"message-batches-2024-09-24"`2930 - `"prompt-caching-2024-07-31"`3132 - `"computer-use-2024-10-22"`3334 - `"computer-use-2025-01-24"`3536 - `"pdfs-2024-09-25"`3738 - `"token-counting-2024-11-01"`3940 - `"token-efficient-tools-2025-02-19"`4142 - `"output-128k-2025-02-19"`4344 - `"files-api-2025-04-14"`4546 - `"mcp-client-2025-04-04"`4748 - `"mcp-client-2025-11-20"`4950 - `"dev-full-thinking-2025-05-14"`5152 - `"interleaved-thinking-2025-05-14"`5354 - `"code-execution-2025-05-22"`5556 - `"extended-cache-ttl-2025-04-11"`5758 - `"context-1m-2025-08-07"`5960 - `"context-management-2025-06-27"`6162 - `"model-context-window-exceeded-2025-08-26"`6364 - `"skills-2025-10-02"`6566 - `"fast-mode-2026-02-01"`6768 - `"output-300k-2026-03-24"`6970 - `"user-profiles-2026-03-24"`7172 - `"user-profiles-2026-08-18"`7374 - `"user-profiles-2026-09-04"`7576 - `"advisor-tool-2026-03-01"`7778 - `"managed-agents-2026-04-01"`7980 - `"cache-diagnosis-2026-04-07"`8182 - `"dreaming-2026-04-21"`8384 - `"thinking-token-count-2026-05-13"`8586 - `"server-side-fallback-2026-06-01"`8788 - `"server-side-fallback-2026-07-01"`8990 - `"fallback-credit-2026-06-01"`9192 - `"fallback-credit-2026-07-01"`9394 - `"agent-memory-2026-07-22"`9596 - `"mid-conversation-tool-changes-2026-07-01"`9798 - `"compact-2026-01-12"`99100 - `"computer-use-2025-11-24"`101102 - `"mcp-tunnels-2026-06-22"`103104 - `"structured-outputs-2025-11-13"`105106 - `"task-budgets-2026-03-13"`107108 - `"thinking-display-updates-2026-08-18"`109110 - `"ce-user-management-2026-07-13"`111112 - `"mid-conversation-output-config-2026-07-01"`113114 - `"thinking-binding-controls-2026-08-01"`115116 - `"mid-conversation-system-clear-at-2026-08-21"`117118 - `"compact-2026-09-04"`119120- `"anthropic-workspace-id": optional string`121122## Body parameters123124- `reason: optional string or null`125126 Optional free-text reason for the rotation, recorded for audit.127128 maxLength: 1024129130## Returns131132- `BetaTunnelToken object`133134 A tunnel's connector token.135136 - `type: "tunnel_token"`137138 - `id: string`139140 Stable identifier for the current token value. Changes when the token is rotated.141142 - `tunnel_token: string`143144 The connector token used to run the tunnel. Treat as a credential.145146## Example147148```bash149curl https://api.anthropic.com/v1/tunnels/$TUNNEL_ID/rotate_token \150 -H 'Content-Type: application/json' \151 -H 'anthropic-version: 2023-06-01' \152 -H 'anthropic-beta: mcp-tunnels-2026-06-22' \153 -H "X-Api-Key: $ANTHROPIC_API_KEY" \154 -d '{}'155```156157### Response (200)158159```json160{161 "id": "id",162 "tunnel_token": "tunnel_token",163 "type": "tunnel_token"164}165```166