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APIs / Hetzner

Hetzner API changes

Breaking changes, deprecations and new fields in the Hetzner API, as they ship.

HetznerHetzner Cloud API2026-10-052 behavioral9 additive

Behavioral
Status code no longer documented
Dead branch, or an undocumented response you still receive.
DELETE /load_balancers/{id}
Behavioral
201 is now documented on /load_balancers/{id}
An unhandled branch in your error handling.
DELETE /load_balancers/{id}
Additive
Request property public_net added
No action needed unless it is required.
POST /load_balancers · public_net

8 new response fields

load_balancer.public_net.ipv6.blocked
load_balancer.public_net.ipv4.blocked
load_balancer.public_net.ipv4.id
load_balancer.public_net.ipv6.id
load_balancers[].public_net.ipv4.blocked
load_balancers[].public_net.ipv4.id
load_balancers[].public_net.ipv6.blocked
load_balancers[].public_net.ipv6.id

HetznerHetzner Cloud API2026-10-011 breaking

Breaking
dns_ptr is now required
Partial payloads are rejected.
POST /floating_ips/{id}/actions/change_dns_ptr · dns_ptr · 4 call sites
Code that breaks
```
await client.post("/floating_ips/{id}/actions/change_dns_ptr", {
  // …
  dns_ptr: /* now required */,
});
```