# FlipLetters

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

FlipLetters is a web app that turns typed text and uploaded images into split‑flap and flip‑dot board animation videos, complete with synthesized mechanical click sound synced to every flip. It runs at app.flipletters.com, ships six board styles (station boards, flip‑dot matrices, color‑flap art boards, a desk marquee, and framed announcement boards), and is built by Terahertz Inc. The service offers free and premium plans, with pricing details on its site.

## Kin Score — 39.1 / 100 (thin)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 56.3 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 25.6 |
| Access Clarity | 51.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 18.6 (matched via fallback).

## Agent readiness — 39.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | served |
| Protected Resource Metadata | verified |
| Dynamic Client Registration | yes |
| 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 (7)

- **FlipLetters API** — Cloud render, teams, workspaces, and API keys for FlipLetters.
- **FlipLetters Discovery API** — Spec and docs on flipletters.com
- **FlipLetters Keys API** — Mint/revoke flk_ keys (Firebase session only)
- **FlipLetters Postiz API** — Schedule/draft/post via a connected Postiz
- **FlipLetters Render API** — Cloud MP4 export (scope: render)
- **FlipLetters Teams API** — Shared template library (scope: team)
- **FlipLetters Workspaces API** — Agency projects and Postiz destinations

## MCP servers (1)

- **FlipLetters MCP Server** — Remote MCP server at app.flipletters.com requiring an API key.

## Agentic access (1)

- **FlipLetters Agentic Access** — 17 operations · 10 acting · 1 human-in-the-loop

## Security (2)

- **FlipLetters Authentication** — http · 1 scheme
- **FlipLetters Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **FlipLetters Plans Pricing**

## Tags

Animation, Web App, Split-Flap, Flip-Dot, Free, Premium

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