---
title: "Preview a named project billing change"
method: POST
path: "/v1/billing/projects/quote"
---

# Preview a named project billing change

`POST /v1/billing/projects/quote`

## Request

- Base URL: `https://docs.greatwait.dev` (the document declares no server; this is the origin it was published from)
- URL: `https://docs.greatwait.dev/v1/billing/projects/quote`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer and API key in header `Greatwait-Environment` and API key in header `Greatwait-Project`

Previews one named project addition, paid-through cancellation or included-slot transfer without authorizing a charge. Quotes expire after five minutes and bind the current commercial revision. Amounts describe project fees; Stripe Checkout shows any applicable tax before confirmation.

## Request body

- object
  - `action` 'add' | 'cancel' | 'transfer-included', required
  - `project` string, required
  - `fromProject` string

## Response `200`

Preview a named project billing change

- object
  - `action` 'add' | 'cancel' | 'transfer-included', required
  - `project` string, required
  - `fromProject` string
  - `quote` string, required
  - `expectedRevision` integer, required
  - `expiresAt` string, required
  - `charge` object, required
    - `currency` 'USD', required
    - `microdollars` string, required
    - `scale` 6, required
  - `monthlyProjectFees` object, required
    - `currency` 'USD', required
    - `microdollars` string, required
    - `scale` 6, required
  - `effectiveAt` string, required
  - `formerIncludedWillBlock` boolean, required
  - `discount` object
    - `gross` object, required
      - `currency` 'USD', required
      - `microdollars` string, required
      - `scale` 6, required
    - `amount` object, required
      - `currency` 'USD', required
      - `microdollars` string, required
      - `scale` 6, required
    - `duration` 'once' | 'repeating', required
    - `durationInMonths` integer

## Other responses

- `401`: Problem document. Possible codes at this status: authentication_required, credential_expired, credential_revoked.
- `403`: Problem document. Possible codes at this status: scope_missing, test_to_live_escalation.
- `404`: Problem document. Possible codes at this status: not_found.
- `409`: Problem document. Possible codes at this status: project_archived, revision_conflict, state_conflict.
- `429`: Problem document. Possible codes at this status: rate_limited.
- `503`: Problem document. Possible codes at this status: capability_not_configured, service_unavailable.

---

[API](https://skmtc.dev/greatwait/apis/greatwait-v1.md) · [All operations](https://skmtc.dev/greatwait/apis/greatwait-v1/llms.txt) · [OpenAPI document](https://skmtc.dev/greatwait/apis/greatwait-v1/revisions/6855bce23e72?raw)