Letterboxd

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.

Letterboxd publishes 1 API on the APIs.io network. Tagged areas include Film, Movies, Social, Reviews, and Watchlist.

Letterboxd’s developer surface includes GitHub presence, engineering blog, FAQ, and 4 more developer resources.

📡 Source on GitHub

27.4/100 thin ▬ flat Agent 16/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

1 APIs

Film Movies Social Reviews Watchlist RatingsDiaryFilm FestivalEntertainment

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 27.4/100 · thin

Contract Quality 6.7 / 25

Developer Ergonomics 0.5 / 20

Access Clarity 10.0 / 20

Operational Transparency 3.4 / 13

Contract Governance 0.0 / 12

Discoverability 6.9 / 10

Agent readiness — 16/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/letterboxd: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

FAQ

FAQ

Contact

Contact

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

aid: letterboxd
name: Letterboxd
description: 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.
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/letterboxd.png
url: https://raw.githubusercontent.com/api-evangelist/letterboxd/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.23'
type: Index
tags:
- Film
- Movies
- Social
- Reviews
- Watchlist
- Ratings
- Diary
- Film Festival
- Entertainment
apis:
- name: Letterboxd API
  description: REST API providing access to Letterboxd film data, member profiles, watchlists, ratings, diary log entries,
    user-created lists, contributors, editorial stories, and cross-catalog search. The base URL is https://api.letterboxd.com/api/v0.
    Access is granted by application only; developers must email api@letterboxd.com with their use case. Authentication uses
    OAuth2 Client Credentials for public data and Authorization Code for member-specific operations.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://letterboxd.com/api-beta/
  baseURL: https://api.letterboxd.com/api/v0
  tags:
  - Film
  - Movies
  - Social
  - Reviews
  - Watchlist
  - Ratings
  - Log Entries
  - List
  - Members
  - Search
  tags_raw:
  - Film
  - Movies
  - Social
  - Reviews
  - Watchlist
  - Ratings
  - Log Entries
  - Lists
  - Members
  - Search
  properties:
  - type: Documentation
    url: https://api-docs.letterboxd.com/
  - type: OpenAPI
    url: https://api-docs.letterboxd.com/
  - type: Authentication
    url: https://letterboxd.com/api-beta/
  - type: TermsOfService
    url: https://letterboxd.com/legal/terms-of-use/
  - type: PrivacyPolicy
    url: https://letterboxd.com/legal/privacy-notice/
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/letterboxd/refs/heads/main/plans/plans.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/letterboxd/refs/heads/main/rate-limits/rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/letterboxd/refs/heads/main/finops/finops.yml
  contact:
  - FN: Letterboxd API Support
    email: api@letterboxd.com
common:
- type: DomainSecurity
  url: security/letterboxd-domain-security.yml
- type: GitHub
  url: https://github.com/Letterboxd
- type: Blog
  url: https://news.letterboxd.com/
- type: TermsOfService
  url: https://letterboxd.com/legal/terms-of-use/
- type: PrivacyPolicy
  url: https://letterboxd.com/legal/privacy-notice/
- type: FAQ
  url: https://letterboxd.com/about/faq/
- type: Contact
  url: https://letterboxd.com/about/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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