# REST

**Canonical:** https://apis.io/providers/rest/  
**Website:** https://restfulapi.net  
**APIs profiled:** 4

REST (Representational State Transfer) is an architectural style for designing networked applications, defined by Roy Fielding in his 2000 doctoral dissertation. REST uses stateless communication, standard HTTP methods (GET, POST, PUT, DELETE, PATCH), and resource-oriented URLs to provide scalable, cacheable, and loosely coupled interfaces. It has become the dominant approach for building web APIs, forming the foundation of modern API design principles and tooling ecosystems.

## Kin Score — 17.0 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 17.0).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 10.7 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 2.5 (human-only)

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

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (4)

- **REST Architectural Style** — Representational State Transfer (REST) is an architectural style originally defined by Roy Fielding. REST provides six guiding constraints: client-server separation, statelessne...
- **OpenAPI Specification** — The OpenAPI Specification (OAS) defines a standard, language-agnostic interface to RESTful APIs which allows both humans and computers to discover and understand capabilities of...
- **HTTP Semantics** — RFC 9110 defines the semantics of the Hypertext Transfer Protocol (HTTP), the foundation of the World Wide Web and RESTful API communication, including methods, status codes, he...
- **JSON:API** — JSON:API is a specification for how a client should request that resources be fetched or modified, and how a server should respond to those requests, built on top of REST princi...

## Security (1)

- **Rest Domain Security** — TLSv1.3 · DNSSEC · DMARC

## Plans (1)

- **Rest Plans Pricing**

## Tags

API Design, Architecture, HTTP, REST, RESTful, Web Services

---

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