# The Index

**Canonical:** https://apis.io/providers/the-index-fyi/  
**Website:** https://theindex.fyi/  
**APIs profiled:** 1

theindex.fyi is a maintained meta-index of indie web and small web index sites — a curated catalog of curated catalogs. It tracks ~40 indexes spanning six categories (curated directories, RSS / feed aggregators, search engines, random-discovery tools, constraint-based clubs, and IndieWeb infrastructure), and exposes the catalog through a public, read-only JSON:API.

## Kin Score — 30.0 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 30.0).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 57.1 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

Regulatory layer — **Government & Public Sector**: 11.1 (matched via tags).

## Agent readiness — 28.7 (agent-ready)

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

## Access

Free — onboarding: unknown, pricing: free, trial: no (confidence: medium).

## APIs (1)

- **The Index Indexes API** — Approved indie web and small web index sites.

## Agentic access (1)

- **The Index Fyi Agentic Access** — 4 operations

## Security (1)

- **The Index Fyi Domain Security** — TLSv1.3

## Plans (1)

- **The Index Fyi Plans Pricing**

## Tags

Indie Web, Small Web, Directories, Search, RSS, Webrings, Open Data, JSON:API

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