---
title: "Create a load balancer."
method: POST
path: "/v1/lb"
tags: ["Load Balancer"]
---

# Create a load balancer.

`POST /v1/lb`

## Request

- Base URL: `https://api.scalix.world`
- URL: `https://api.scalix.world/v1/lb`
- Auth: HTTP bearer

Provisions a load balancer for the caller's project and returns its details.

## Request body

- CreateLbRequest
  - `name` string, required
  - `strategy` 'round_robin' | 'least_connections' | 'weighted_round_robin' | 'ip_hash'
  - `backends` AddBackendRequest[]
    - `url` string, required
    - `weight` integer
  - `health_check` HealthCheckConfig
    - `interval_secs` integer, required
    - `timeout_secs` integer, required
    - `path` string, required
    - `expected_status` integer, required

## Response `200`

Load balancer created

- LoadBalancerInfo
  - `id` string, uuid, required
  - `name` string, required
  - `strategy` 'round_robin' | 'least_connections' | 'weighted_round_robin' | 'ip_hash', required
  - `backends` BackendInfo[], required
    - `id` string, uuid, required
    - `url` string, required
    - `weight` integer, required
    - `healthy` boolean, required
    - `active_conns` integer, required
  - `created_at` string, date-time, required

## Other responses

- `401`: Missing or invalid credentials
- `403`: Token lacks the lb:write scope
- `500`: Internal error

---

[API](https://skmtc.dev/scalix/apis/scalix-cloud-api.md) · [All operations](https://skmtc.dev/scalix/apis/scalix-cloud-api/llms.txt) · [OpenAPI document](https://skmtc.dev/scalix/apis/scalix-cloud-api/revisions/2c04ca0a90bb?raw)