---
title: "Create a single-currency multi-merchant plan with one option per requested line, without purchasing"
method: POST
path: "/v1/purchase-plans"
tags: ["Commerce"]
---

# Create a single-currency multi-merchant plan with one option per requested line, without purchasing

`POST /v1/purchase-plans`

## Request

- Base URL: `https://api.supplyslate.com`
- URL: `https://api.supplyslate.com/v1/purchase-plans`
- Auth: one of:
  - OAuth 2 (authorization code, authorization URL `https://mcp.supplyslate.com/authorize`, token URL `https://mcp.supplyslate.com/oauth/token`)
  - HTTP bearer

## Headers

- `Idempotency-Key` string

## Request body

- PurchasePlanWrite
  - `request_id` string, required
  - `quote_item_ids` string[], required
  - `idempotency_key` string, required
  - `expires_at` string, date-time

## Response `201`

Created durably

- PurchasePlanResponse
  - `purchase_plan` PurchasePlan, required
    - `id` string, required
    - `request_id` string
    - `version` integer
    - `status` string
    - `snapshot_hash` string
    - `items` object[]
    - `total` Money
      - `amount_minor` integer, required
      - `currency` string, required
  - `request_id` string

## Other responses

- `400`: Invalid request
- `401`: Authentication required
- `403`: Scope or tenant boundary denied
- `404`: Resource not found
- `409`: State conflict or idempotency mismatch
- `429`: Rate limited

---

[API](https://skmtc.dev/supplyslate/apis/supplyslate-agent-native-supply-api.md) · [All operations](https://skmtc.dev/supplyslate/apis/supplyslate-agent-native-supply-api/llms.txt) · [OpenAPI document](https://skmtc.dev/supplyslate/apis/supplyslate-agent-native-supply-api/revisions/f7989551f167?raw)