---
title: "Change Subscription Plan"
method: POST
path: "/users/subscription/change-plan"
---

# Change Subscription Plan

`POST /users/subscription/change-plan`

## Request

- Base URL: `https://api.tellers.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.tellers.ai/users/subscription/change-plan`
- Auth: none declared

## Headers

- `authorization` string, nullable

## Request body

- SubscriptionChangePlanRequest
  - `pricing_tier` string, required: Target subscription tier_id from GET /billing/catalog.
  - `items` LineItem[], nullable: Optional subscription line items (same shape as catalog ``default_items`` / ``LineItem``). When omitted or empty, uses the plan default_items from GET /billing/catalog.
    - `price_id` string, required
    - `quantity` integer, required: Default quantity for this price.

## Response `200`

Successful Response

- SubscriptionChangePlanResponse
  - `from_pricing_tier` string, nullable, required
  - `to_pricing_tier` string, required
  - `previous_items` LineItem[], required
    - `price_id` string, required
    - `quantity` integer, required: Default quantity for this price.
  - `new_items` LineItem[], required
    - `price_id` string, required
    - `quantity` integer, required: Default quantity for this price.
  - `applied_items` LineItem[], required
    - `price_id` string, required
    - `quantity` integer, required: Default quantity for this price.
  - `scheduled_items` LineItem[], required
    - `price_id` string, required
    - `quantity` integer, required: Default quantity for this price.
  - `effective_at` 'now' | 'period_end', required
  - `status` string, required

## Other responses

- `403`: The account's email is not verified yet, so it cannot spend tokens. Nothing was charged. `detail.code` is `EMAIL_NOT_VERIFIED`.
- `422`: Validation Error

---

[API](https://skmtc.dev/tellers/apis/tellers-api.md) - [All operations](https://skmtc.dev/tellers/apis/tellers-api/llms.txt) - [OpenAPI document](https://skmtc.dev/tellers/apis/tellers-api/revisions/fdaa0fa44a26?raw)