UCPList Public API

Base URL

https://ucplist.ai/api

GET /api/listings

Returns all active listings.

Query Parameters

Example

curl https://ucplist.ai/api/listings?category=merchants

Response

[
  {
    "id": "allbirds",
    "name": "Allbirds",
    "slug": "allbirds",
    "category": "merchants",
    "description": "Sustainable footwear brand with a live UCP checkout endpoint.",
    "url": "https://www.allbirds.com",
    "ucpEndpoint": "https://www.allbirds.com/.well-known/ucp",
    "verifiedAt": "2026-03-04",
    "tags": ["footwear", "sustainable", "d2c"],
    "ucpStatus": "live"
  }
]

GET /api/listings/:slug

Returns a single listing by slug.

Example

curl https://ucplist.ai/api/listings/shopify

Response

{
  "id": "shopify",
  "name": "Shopify",
  "slug": "shopify",
  "category": "platforms",
  "description": "Leading e-commerce platform with native UCP checkout support.",
  "url": "https://www.shopify.com",
  "ucpEndpoint": null,
  "verifiedAt": "2026-03-04",
  "tags": ["e-commerce", "saas", "checkout", "merchant-platform"],
  "ucpStatus": "ecosystem"
}

404 Response

{ "error": "Listing not found" }

Rate Limits

100 requests per day per IP address. No API key required.

The X-RateLimit-Remaining header on each response shows how many requests you have left.

When exceeded, the API returns 429 Too Many Requests:

{ "error": "Rate limit exceeded. Get an API key for higher limits." }

Need higher limits? Contact us about API key access.

Response Fields