# 53ON

**Canonical:** https://apis.io/providers/53on-com/  
**Website:** https://53on.com/  
**APIs profiled:** 1

53ON is a directory and marketplace of local businesses and independent professionals. It allows users to search by service and area, view ratings and prices, and book and pay in one place, providing a unified platform for discovering and hiring local service providers. The platform supports multiple languages and integrates with various payment gateways, aiming to simplify the process of finding and engaging local expertise.

## Kin Score — 19.8 / 100 (emerging)

Scored 2026-11-02 under rubric 0.26.0. Trend: flat (+0.0 from 19.8).

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 47.1 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 10.8 (matched via fallback).

## Agent readiness — 29.1 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **53ON S {service} API** — The S {service} API from 53ON — 1 operation(s) for s {service}.
- **53ON Xsite API** — The Xsite API from 53ON — 2 operation(s) for xsite.

## MCP servers (1)

- **53ON MCP Server** — Remote MCP server at 53on.com.

## Agentic access (1)

- **53On Com Agentic Access** — 3 operations · 1 acting · 1 human-in-the-loop

## Security (1)

- **53On Com Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Marketplace, Directory, Local Business, Services, Consumer, Company

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/53on-com/). Scores are computed from the provider's own public artifacts under a published rubric.