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2828- `"anthropic-beta": array of AnthropicBeta`
2929
30 Optional header to specify the beta version(s) you want to use.
30 This endpoint is in beta: requests must send `mcp-tunnels-2026-05-19` in this header.
3131
3232 - `string`
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from line 172
172172```bash
173173curl https://api.anthropic.com/v1/organizations/tunnels/$TUNNEL_ID/certificates/$CERTIFICATE_ID \
174174 -H 'anthropic-version: 2023-06-01' \
175 -H 'anthropic-beta: mcp-tunnels-2026-05-19' \
175176 -H "X-Api-Key: $ANTHROPIC_API_KEY"
176177```
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