---
title: "Update Fixed Billing Preferences"
method: PUT
path: "/api/v1/billing/preferences/fixed"
tags: ["billing"]
---

# Update Fixed Billing Preferences

`PUT /api/v1/billing/preferences/fixed`

## Request

- Base URL: `https://api.trajectory.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.trajectory.ai/api/v1/billing/preferences/fixed`
- Auth: none declared

## Request body

- BillingPreferencesPatch
  - `auto_reload` boolean
  - `reload_mode` 'target' | 'fixed'
  - `threshold_cents` integer
  - `reload_cents` integer
  - `monthly_limit_cents` integer
  - `spend_alert_cents` integer

## Response `200`

Successful Response

- BillingPreferencesState
  - `auto_reload` boolean
  - `reload_mode` 'target' | 'fixed'
  - `threshold_cents` integer
  - `reload_cents` integer
  - `monthly_limit_cents` integer
  - `spend_alert_cents` integer
  - `sync_pending` boolean
  - `sync_delayed` boolean: Pending settings have waited longer than usual to apply.
  - `sync_error` 'missing_card' | 'provider_error'
  - `fixed_reload_supported` true

## Changes

- **2026-10-20** `d2a2f0337945`: 2 info
  - added the optional property `sync_delayed` to the response with the `200` status
  - added the optional property `sync_error` to the response with the `200` status
- **2026-10-20** `6829ef240bbe`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/billing/preferences/fixed/put.md)

---

[API](https://skmtc.dev/trajectory/apis/trajectory-api.md) - [All operations](https://skmtc.dev/trajectory/apis/trajectory-api/llms.txt) - [OpenAPI document](https://skmtc.dev/trajectory/apis/trajectory-api/revisions/5b5a8ae4b4a4?raw)