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openapi: 3.2.0
info:
title: 53ON Public S {service} API
version: 1.0.0
summary: Directory and marketplace of local businesses and independent professionals.
description: Public, read-only endpoints. No session and no API key required. If you speak MCP, prefer the MCP server described in /.well-known/mcp/server-card.json — it is the same data with tool descriptions attached.
contact:
url: https://53on.com/?p=contact
servers:
- url: https://53on.com
tags:
- name: S {service}
paths:
/s-{service}:
get:
operationId: getServicePage
summary: Server-rendered page listing the businesses that do one service
description: 'Plain HTML with JSON-LD (Service plus an ItemList of LocalBusiness). No JavaScript needed. Append .md to the path, or send Accept: text/markdown, to get the same content as markdown.'
parameters:
- name: service
in: path
required: true
schema:
type: string
description: Service slug, for example limpieza or cleaner. Spanish and English both resolve to the same page.
responses:
'200':
description: The page.
content:
text/html: {}
text/markdown: {}
'404':
description: No such service, or no businesses in it yet.
tags:
- S {service}