{"openapi":"3.1.0","info":{"title":"Hetzner Cloud Load Balancers (BYOK) API","version":"0.1.0","description":"Hetzner Cloud Load Balancers (BYOK) lets an AI assistant read your own Hetzner Cloud Load Balancers data through the Hetzner Cloud Load Balancers API with a key you supply (Cloud project API token (read-only is enough)). Read-only: 5 tools (list_load_balancers, get_load_balancer, list_certificates, list_primary_ips, list_placement_groups). The BYOK key travels with each request, is used for that...\n\nEvery operation is read-only or compute-only. The same tools are available over MCP (streamable HTTP) at https://byok-hetzner-cloud-load-balancers.connectorbay.com/mcp.","contact":{"name":"Unify Dynamics LLC","email":"agent@connectorbay.com","url":"https://connectorbay.com/byok-hetzner-cloud-load-balancers/docs"},"termsOfService":"https://connectorbay.com/byok-hetzner-cloud-load-balancers/terms"},"servers":[{"url":"https://byok-hetzner-cloud-load-balancers.connectorbay.com"}],"externalDocs":{"url":"https://connectorbay.com/byok-hetzner-cloud-load-balancers/docs"},"security":[{"upstreamKey":[]}],"components":{"securitySchemes":{"bearer":{"type":"http","scheme":"bearer","description":"Optional. A Pro API key raises rate limits; no credentials are required."},"upstreamKey":{"type":"apiKey","in":"header","name":"X-Upstream-Key","description":"Your own key for the service this connector wraps (bring your own key). Used for that one call only; never stored, logged or cached."}},"schemas":{"Error":{"type":"object","properties":{"ok":{"const":false},"error":{"type":"object"}}}}},"paths":{"/v1/tools/list_load_balancers":{"post":{"operationId":"list_load_balancers","summary":"List load balancers with location, plan, public and private addresses, algorithm, services, targets and traffic counters","description":"List load balancers with location, plan, public and private addresses, algorithm, services, targets and traffic counters. Use for \"Which Hetzner load balancers do I have and what do they point to\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"name":{"anyOf":[{"maxLength":100,"type":"string"},{"type":"null"}],"default":null,"description":"Only return resources with exactly this name.","title":"Name"},"label_selector":{"anyOf":[{"maxLength":200,"type":"string"},{"type":"null"}],"default":null,"description":"Label selector to filter by, for example 'env=prod'.","title":"Label Selector"},"per_page":{"anyOf":[{"maximum":50,"minimum":1,"type":"integer"},{"type":"null"}],"default":25,"description":"How many results to return (1 to 50).","title":"Per Page"},"page":{"anyOf":[{"maximum":10000,"minimum":1,"type":"integer"},{"type":"null"}],"default":1,"description":"Page number, starting at 1. meta.pagination.next_page in the answer is empty on the last page.","title":"Page"}},"title":"list_load_balancersArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/get_load_balancer":{"post":{"operationId":"get_load_balancer","summary":"Get one load balancer by numeric id with its addresses, services (ports, protocol, health checks), targets and traffic. ","description":"Get one load balancer by numeric id with its addresses, services (ports, protocol, health checks), targets and traffic. Use for \"How is Hetzner load balancer 4242 configured\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"load_balancer_id":{"description":"Numeric id of the load balancer, as shown by list_load_balancers.","minimum":1,"title":"Load Balancer Id","type":"integer"}},"required":["load_balancer_id"],"title":"get_load_balancerArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/list_certificates":{"post":{"operationId":"list_certificates","summary":"List TLS certificates held in the project with type, domain names, validity dates, fingerprint, managed-certificate stat","description":"List TLS certificates held in the project with type, domain names, validity dates, fingerprint, managed-certificate status and the resources using them. Use for \"Which TLS certificates do I have on Hetzner and when do they expire\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"name":{"anyOf":[{"maxLength":100,"type":"string"},{"type":"null"}],"default":null,"description":"Only return resources with exactly this name.","title":"Name"},"label_selector":{"anyOf":[{"maxLength":200,"type":"string"},{"type":"null"}],"default":null,"description":"Label selector to filter by, for example 'env=prod'.","title":"Label Selector"},"type":{"anyOf":[{"enum":["uploaded","managed"],"type":"string"},{"type":"null"}],"default":null,"description":"Certificate type: uploaded or managed.","title":"Type"},"per_page":{"anyOf":[{"maximum":50,"minimum":1,"type":"integer"},{"type":"null"}],"default":25,"description":"How many results to return (1 to 50).","title":"Per Page"},"page":{"anyOf":[{"maximum":10000,"minimum":1,"type":"integer"},{"type":"null"}],"default":1,"description":"Page number, starting at 1. meta.pagination.next_page in the answer is empty on the last page.","title":"Page"}},"title":"list_certificatesArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/list_primary_ips":{"post":{"operationId":"list_primary_ips","summary":"List primary IP addresses with type, address, location, assignee, auto-delete flag and reverse DNS. 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Use for \"Which primary IP addresses do I own on Hetzner and what are they assigned to\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"name":{"anyOf":[{"maxLength":100,"type":"string"},{"type":"null"}],"default":null,"description":"Only return resources with exactly this name.","title":"Name"},"label_selector":{"anyOf":[{"maxLength":200,"type":"string"},{"type":"null"}],"default":null,"description":"Label selector to filter by, for example 'env=prod'.","title":"Label Selector"},"ip":{"anyOf":[{"maxLength":45,"type":"string"},{"type":"null"}],"default":null,"description":"Only the primary IP with exactly this address.","title":"Ip"},"per_page":{"anyOf":[{"maximum":50,"minimum":1,"type":"integer"},{"type":"null"}],"default":25,"description":"How many results to return (1 to 50).","title":"Per Page"},"page":{"anyOf":[{"maximum":10000,"minimum":1,"type":"integer"},{"type":"null"}],"default":1,"description":"Page number, starting at 1. meta.pagination.next_page in the answer is empty on the last page.","title":"Page"}},"title":"list_primary_ipsArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}},"/v1/tools/list_placement_groups":{"post":{"operationId":"list_placement_groups","summary":"List placement groups with type, the server ids spread across hosts and labels. Use for \"Which Hetzner placement groups ","description":"List placement groups with type, the server ids spread across hosts and labels. Use for \"Which Hetzner placement groups do I have and which servers are in them\".","tags":["tools"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"properties":{"name":{"anyOf":[{"maxLength":100,"type":"string"},{"type":"null"}],"default":null,"description":"Only return resources with exactly this name.","title":"Name"},"label_selector":{"anyOf":[{"maxLength":200,"type":"string"},{"type":"null"}],"default":null,"description":"Label selector to filter by, for example 'env=prod'.","title":"Label Selector"},"type":{"anyOf":[{"const":"spread","type":"string"},{"type":"null"}],"default":null,"description":"Placement group type.","title":"Type"},"per_page":{"anyOf":[{"maximum":50,"minimum":1,"type":"integer"},{"type":"null"}],"default":25,"description":"How many results to return (1 to 50).","title":"Per Page"},"page":{"anyOf":[{"maximum":10000,"minimum":1,"type":"integer"},{"type":"null"}],"default":1,"description":"Page number, starting at 1. meta.pagination.next_page in the answer is empty on the last page.","title":"Page"}},"title":"list_placement_groupsArguments","type":"object"}}}},"responses":{"200":{"description":"Tool result. `ok: true` on success; `ok: false` with a structured `error` (provider_unavailable, upstream_error, bad_input) when the tool could not answer.","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}},"422":{"description":"Arguments failed validation","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"Rate limit exceeded (see Retry-After)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"x-read-only":true}}}}