Etsy Open API vs PayPal MCP server for AI agents
Etsy Open API is Etsy's REST API for listings, shops, inventory and orders on the Etsy marketplace. PayPal MCP server is PayPal's remote MCP server, whose commerce tools let an agent search a PayPal product catalog, build a cart and check out with PayPal, for gift cards only today.
The short answer
- Etsy Open API: Searching handmade, vintage and craft listings from independent Etsy sellers.
- PayPal MCP server: Agents that need to buy gift cards end to end with PayPal payment.
Side by side
| Etsy Open API | PayPal MCP server | |
|---|---|---|
| Searches | All active Etsy listings (findAllListingsActive, with keyword search), plus shops and shop listings. | Gift card products in the PayPal catalog only. |
| Returns | Listing records including title, price and the full URL of the listing page on Etsy. | Product information including pricing, availability and purchase options. |
| Before the first call | A registered app with an API keystring and shared secret; apps used beyond your own shop go through review (Personal App), and wider use needs a separately approved Commercial Access request. Searching active listings needs only the API key, not OAuth. | PayPal client credentials from the PayPal Developer Dashboard, a PayPal login when the MCP client first connects, and the header x-feature-flags: commerce:true to show the commerce tools. |
| Acting on a result | Buy link: each listing has its Etsy page URL; buying happens on Etsy. | Checkout through the API: create_cart and checkout_cart complete the purchase and pay with PayPal. |
| Coverage | The Etsy marketplace (sellers worldwide). | Not stated on its pages |
| MCP server | Etsy Dev MCP server at https://mcp.api.etsycloud.com/mcp, but it only teaches an assistant the API docs and schemas; it does not call the Etsy API or return listings. | Official remote MCP server at https://mcp.paypal.com (paths /sse or /http; sandbox at https://mcp.sandbox.paypal.com). |
Where Openpath fits
Openpath has no products listed yet. Sellers can list a product on Openpath today, free, and agents will find it through the same search as jobs and businesses. Get listed.
Questions people ask
What do I need before I can use Etsy Open API?
A registered app with an API keystring and shared secret; apps used beyond your own shop go through review (Personal App), and wider use needs a separately approved Commercial Access request. Searching active listings needs only the API key, not OAuth.
Is Etsy Open API free?
Its pages listed no free use when we read them on October 15, 2026.
What do I need before I can use PayPal MCP server?
PayPal client credentials from the PayPal Developer Dashboard, a PayPal login when the MCP client first connects, and the header x-feature-flags: commerce:true to show the commerce tools.
Is PayPal MCP server free?
Its pages listed no free use when we read them on October 15, 2026.
Sources
Every line about another company comes from its own pages. Prices and terms change, so check the source before you rely on one.
Etsy Open API, read on October 15, 2026:
- developer.etsy.com/documentation: “a REST API that extends support for inventory, sales orders, and shop management on the Etsy platform”
- developer.etsy.com/documentation: “Registering an app creates an Etsy App API keystring and a shared secret.”
- developer.etsy.com/documentation: “Personal Apps go through a deeper review process than Seller Apps.”
- developer.etsy.com/documentation: “You must have an approved Personal App before you can request Commercial Access.”
- etsy.com/openapi/generated/oas/3.0.0.json: “A list of all active listings on Etsy paginated by their creation date.”
- etsy.com/openapi/generated/oas/3.0.0.json: “The full URL to the listing's page on Etsy.”
- developer.etsy.com/documentation/essentials/rate-limits: “You can see your application's current rate limits in the”
- developer.etsy.com/documentation/mcp_server/devmcpserver: “Use the Etsy Dev MCP server to teach your AI assistant how to use the Etsy Open API.”
- developer.etsy.com/documentation/mcp_server/devmcpserver: “It does not call the Etsy API directly.”
PayPal MCP server, read on October 15, 2026:
- developer.paypal.com/ai-tools/agent-tools: “Find gift card products in the PayPal catalog.”
- developer.paypal.com/ai-tools/agent-tools: “These tools are for gift cards only for now, but more is coming soon.”
- developer.paypal.com/ai-tools/agent-tools: “It returns product information that includes pricing, availability, and purchase options.”
- developer.paypal.com/ai-tools/agent-tools: “This tool processes the final checkout for a configured shopping cart using PayPal for payment.”
- developer.paypal.com/ai-tools/agent-tools: “x-feature-flags: commerce:true”
- developer.paypal.com/tools/mcp-server: “PayPal supports using your PayPal client credentials to connect to the remote MCP server.”
- developer.paypal.com/tools/mcp-server: “The MCP client sends you to the PayPal login page.”