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4646- `"anthropic-beta": array of AnthropicBeta`
4747
48 Optional header to specify the beta version(s) you want to use.
48 This endpoint is in beta: requests must send `mcp-tunnels-2026-05-19` in this header.
4949
5050 - `string`
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from line 194
194194```bash
195195curl https://api.anthropic.com/v1/organizations/tunnels/$TUNNEL_ID/certificates \
196196 -H 'anthropic-version: 2023-06-01' \
197 -H 'anthropic-beta: mcp-tunnels-2026-05-19' \
197198 -H "X-Api-Key: $ANTHROPIC_API_KEY"
198199```
199200