Claude Platform Docs

Certificates

Create Tunnel Certificate
client.beta.tunnels.certificates.create(tunnelID, params, options?): BetaTunnelCertificate
POST/v1/tunnels/{tunnel_id}/certificates

The 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.

Get Tunnel Certificate
client.beta.tunnels.certificates.retrieve(certificateID, params, options?): BetaTunnelCertificate
GET/v1/tunnels/{tunnel_id}/certificates/{certificate_id}

The 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.

List Tunnel Certificates
client.beta.tunnels.certificates.list(tunnelID, params?, options?): PageCursor<BetaTunnelCertificate>
GET/v1/tunnels/{tunnel_id}/certificates

The 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.

Archive Tunnel Certificate
client.beta.tunnels.certificates.archive(certificateID, params, options?): BetaTunnelCertificate
POST/v1/tunnels/{tunnel_id}/certificates/{certificate_id}/archive

The 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.

Models
interface BetaTunnelCertificate { type: "tunnel_certificate"; id; archived_at; /* 4 more */ }

A CA certificate attached to a tunnel.

type: "tunnel_certificate"
id: string

Unique identifier for the certificate, prefixed with tcrt_.

archived_at: string | null

RFC 3339 datetime string indicating when the certificate was archived. Null if it is still in the trusted set.

formatdate-time
created_at: string

RFC 3339 datetime string indicating when the certificate was registered.

formatdate-time
expires_at: string | null

RFC 3339 datetime string indicating when the certificate expires, or null if it does not expire.

formatdate-time
fingerprint: string

Lowercase hex SHA-256 fingerprint of the certificate's DER encoding.

tunnel_id: string

ID of the tunnel the certificate is registered against.