---
title: "Create a supplier-hosted checkout or invoice handoff"
method: POST
path: "/v1/operator/purchase-plans/{plan_id}/checkout-handoffs"
tags: ["Operator"]
---

# Create a supplier-hosted checkout or invoice handoff

`POST /v1/operator/purchase-plans/{plan_id}/checkout-handoffs`

## Request

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

## Path parameters

- `plan_id` string, required

## Headers

- `Idempotency-Key` string

## Request body

- CheckoutHandoffWrite
  - `handoffs` object[], required
    - `supplier_id` string, required
    - `merchant_group_key` string, required
    - `handoff_type` 'merchant_checkout_url' | 'merchant_order_api' | 'supplier_invoice' | 'buyer_confirmation', required
    - `checkout_url` string, uri
    - `merchant_reference` string
    - `amount_minor` integer, required
    - `currency` string, required
    - `expires_at` string, date-time

## Response `201`

Created durably

- CheckoutHandoffResponse
  - `data` CheckoutHandoff[]
    - `id` string, required
    - `plan_id` string
    - `merchant` string
    - `status` string
    - `checkout_url` string, uri, nullable
    - `payment_boundary` string
  - `checkout_handoff` CheckoutHandoff
    - `id` string, required
    - `plan_id` string
    - `merchant` string
    - `status` string
    - `checkout_url` string, uri, nullable
    - `payment_boundary` string
  - `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)