---
title: PayPal Cart API v1 v1
canonical: https://developer.paypal.com/api/agentic-commerce/v1
openapi_schema:
  json: https://developer.paypal.com/api/agentic-commerce/v1/schema.json
  yaml: https://developer.paypal.com/api/agentic-commerce/v1/schema.yaml
---

# PayPal Cart API v1 v1 (/api/agentic-commerce/v1)

> This is an API reference page. The information below is a summary — the [JSON](https://developer.paypal.com/api/agentic-commerce/v1/schema.json) and [YAML](https://developer.paypal.com/api/agentic-commerce/v1/schema.yaml) schema are the preferred, authoritative source for exact parameters, request/response shapes, and validation rules.

## Base URL(s)

- https://api-m.sandbox.paypal.com

## Authentication

- PayPalJWT (HTTP bearer)

## Operations

### Cart Operations

- `POST` [Create cart](/api/agentic-commerce/v1/createcart): Creates a new cart with the provided PayPalCart object.
- `GET` [Get cart details](/api/agentic-commerce/v1/getcart): Retrieves the current state of a cart.
- `PUT` [Update cart](/api/agentic-commerce/v1/updatecart): Updates a cart by completely replacing its contents with the provided PayPalCart object.

### Checkout

- `POST` [Complete checkout](/api/agentic-commerce/v1/completecheckout): Completes the checkout process after customer has approved payment via PayPal.

## Full schema

The list above is a summary. Full parameter, request, and response detail for every operation lives in the schema: [JSON](https://developer.paypal.com/api/agentic-commerce/v1/schema.json) · [YAML](https://developer.paypal.com/api/agentic-commerce/v1/schema.yaml)