# Runway

**Canonical:** https://apis.io/providers/runway/  
**Website:** https://runwayml.com/  
**APIs profiled:** 16

Runway is an applied AI research company that builds generative AI tools for creative professionals. Their developer platform provides APIs for video generation, image generation, real-time conversational avatar experiences, media uploads, and audio synthesis powered by advanced generative models including Gen-4, Gen-4 Turbo, Gen-4.5, Gen-4 Aleph, Veo 3.1, Act Two, and GWM-1 (General World Model). The API uses asynchronous task processing with Bearer token authentication.

## Kin Score — 47.0 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 47.0).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 70.8 |
| Governance | 26.5 |
| Contract Governance | 26.5 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 35.7 |
| Commercial Clarity | 43.4 |
| Access Clarity | 43.4 |

## Agent readiness — 45.6 (agent-ready)

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

## Access

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

## APIs (16)

- **Runway Python SDK** — The Runway Python SDK provides a convenient Python library for interacting with the Runway API. Supports Python 3.8+ with type annotations compatible with MyPy. Includes automat...
- **Runway Node.js SDK** — The Runway Node.js SDK provides a JavaScript and TypeScript library for integrating with the Runway API. Supports Node.js 18+ with TypeScript bindings, automatic retries, and be...
- **Runway Avatars API** — Create and manage persistent avatar personas with defined appearance, voice, and personality. Avatars can be created from a single reference image in any visual style.
- **Runway Character Performance API** — Control a character's facial expressions and body movements using a reference performance video with the Act Two model.
- **Runway Documents API** — Upload and manage domain-specific knowledge documents that avatars can reference during conversations to provide accurate, contextual responses. Each avatar supports up to 50,00...
- **Runway Frame Interpolation API** — Interpolate between video frames to increase frame rate and smoothness.
- **Runway Image to Video API** — Generate videos from input images with optional text prompts using Gen-4, Gen-4 Turbo, Gen-4.5, or Aleph models.
- **Runway Lip Sync API** — Create generative videos where a selected face speaks lines from audio clips or AI-generated voices, supporting 28+ languages.
- **Runway Realtime Sessions API** — Create live WebRTC sessions connecting users to avatars for real-time conversational interactions. Each session has a maximum duration of 5 minutes.
- **Runway Sound Effects API** — Generate sound effects for videos using AI.
- **Runway Tasks API** — Retrieve status and output of asynchronous generation tasks.
- **Runway Text to Image API** — Generate high-quality images from text prompts using the Gen-4 Image model.
- **Runway Text to Video API** — Generate videos from text prompts alone using Gen-4.5, Veo 3.1, or Veo 3.1 Fast models.
- **Runway Uploads API** — Upload temporary media files that can be referenced in generation requests.
- **Runway Video to Video API** — Generate new videos from existing video inputs using the Gen-4 Aleph model.
- **Runway Video Upscale API** — Upscale video resolution and quality.

## MCP servers (1)

- **MCP Server**

## Agentic access (1)

- **Runway Agentic Access** — 17 operations · 15 acting

## Security (2)

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

## Plans (1)

- **Runway Plans Pricing**

## Tags

Video Generation, Image-Generation, Artificial Intelligence, Machine-Learning, Generative AI, Avatars, Characters, WebRTC, Creative Tools

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