# UsageRail

**Canonical:** https://apis.io/providers/usagerail/  
**Website:** https://usagerail.com  
**APIs profiled:** 1

UsageRail provides an API monetization platform for small teams, enabling them to issue API keys, enforce rate limits and quotas, and bill usage through Stripe integration. The service offers a developer portal, documentation, and tools for managing customers, keys, usage data, and plan changes, aiming to simplify API productization and revenue generation for SaaS providers.

## Kin Score — 33.3 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 62.5 |
| Contract Quality | 26.1 |
| Contract Governance | 22.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 29.8 |
| Access Clarity | 53.9 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 20.6 (matched via fallback).

## Agent readiness — 19.7 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| 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 |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: medium).

## APIs (1)

- **UsageRail API** — UsageRail API as documented publicly: 16 operations. Contract generated from the documentation by API Evangelist (2026-11-02); not the provider's own document.

## Security (2)

- **Usagerail Authentication** — 2 schemes
- **Usagerail Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Usagerail Plans Pricing**

## Tags

Company, API Monetization, Software-as-a-Service, Billing, Rate Limiting, Developer Tools

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