# Letterboxd

**Canonical:** https://apis.io/providers/letterboxd/  
**APIs profiled:** 1

Letterboxd is a social film diary platform providing a REST API for accessing film metadata, user reviews, watchlists, ratings, member activity, log entries, lists, and film festival coverage. The API is available by request only and uses OAuth2 for authentication, supporting both public data access via Client Credentials and member-authenticated operations via Authorization Code flow. Developers can query films, members, log entries, lists, contributors, and search across the full Letterboxd catalog.

## Kin Score — 27.4 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 27.4).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 26.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 15.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| 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

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

## APIs (1)

- **Letterboxd API** — REST API providing access to Letterboxd film data, member profiles, watchlists, ratings, diary log entries, user-created lists, contributors, editorial stories, and cross-catalo...

## Security (1)

- **Letterboxd Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Plans**

## Tags

Film, Movies, Social, Reviews, Watchlist, Ratings, Diary, Film Festival, Entertainment

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