rw-recipe-full-setup

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Complete Runway API setup: check compatibility, configure API key, and integrate generation endpoints

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NPX Install

npx skill4agent add runwayml/skills rw-recipe-full-setup

Full Runway API Setup

PREREQUISITE: Run
+rw-check-compatibility
first to ensure the project has server-side capability.
This recipe guides a user through the complete process of integrating Runway's public API into their project. It chains together the compatibility check, API key setup, and API integration skills.

Workflow

Phase 1: Compatibility Check

Use
+rw-check-compatibility
to analyze the user's project.
  1. Identify the project type (Node.js, Python, etc.)
  2. Verify server-side capability
  3. Check runtime version compatibility
  4. Look for existing Runway SDK installation
If the project is INCOMPATIBLE, stop and explain the options:
  • Add a backend (Express, FastAPI, etc.)
  • Use a fullstack framework (Next.js, SvelteKit, Nuxt, Remix)
  • Add serverless functions (Vercel Functions, AWS Lambda)
  • Create a separate backend service
If NEEDS CHANGES, help the user make the required changes before proceeding.
If COMPATIBLE, proceed to Phase 2.

Phase 2: API Key Setup

Use
+rw-setup-api-key
to configure credentials.
  1. Direct the user to https://dev.runwayml.com/ to create an account and API key
  2. Install the appropriate SDK (
    @runwayml/sdk
    for Node.js,
    runwayml
    for Python)
  3. Configure the
    RUNWAYML_API_SECRET
    environment variable
  4. Update
    .gitignore
    to exclude
    .env
  5. Remind about credit purchase requirement ($10 minimum)
Wait for the user to confirm they have their API key before proceeding.

Phase 3: Determine What to Integrate

Ask the user what they want to build. Based on their response, use the appropriate integration skill:
User wants...Skill to use
Generate videos from text
+rw-integrate-video
(text-to-video)
Animate images into video
+rw-integrate-video
(image-to-video) +
+rw-integrate-uploads
if local files
Edit/transform existing videos
+rw-integrate-video
(video-to-video) +
+rw-integrate-uploads
Generate images from text
+rw-integrate-image
Generate images with references
+rw-integrate-image
+
+rw-integrate-uploads
if local refs
Text-to-speech
+rw-integrate-audio
Sound effects
+rw-integrate-audio
Voice isolation/dubbing
+rw-integrate-audio
+
+rw-integrate-uploads
Real-time conversational avatar
+rw-integrate-characters
+
+rw-integrate-character-embed
(React UI)
Avatar with domain knowledge
+rw-integrate-characters
+
+rw-integrate-documents
+
+rw-integrate-character-embed
Multiple capabilitiesIntegrate each one, sharing the same client instance

Phase 4: Write the Integration Code

Based on the user's framework and needs:
  1. Create the API route/handler — server-side endpoint that calls Runway
  2. Add upload handling if the user needs to accept files from their users
  3. Add error handling — catch and handle task failures
  4. Handle output storage — remind user that output URLs expire in 24-48 hours

Phase 5: Test and Verify

Help the user:
  1. Run a test generation to verify everything works
  2. Check for common issues (missing env var, insufficient credits, wrong model)
  3. Confirm output is accessible

Decision Tree for Upload Requirements

When the user's workflow involves images or videos as input:
Does the input come from a public HTTPS URL?
├── YES → Pass the URL directly to the API
└── NO → Is it a local file or user-uploaded file?
    ├── YES → Use +rw-integrate-uploads to upload first, then pass runway:// URI
    └── NO → Is it small enough for a data URI? (< 5MB image, < 16MB video)
        ├── YES → Convert to base64 data URI
        └── NO → Use +rw-integrate-uploads

Important Reminders

  • Never expose the API key in client-side code. All API calls must happen server-side.
  • Output URLs expire. Always download and store generated content.
  • Credits are required. The API won't work without prepaid credits.
  • Rate limits exist. Rate limits exist. You should always check what is the rate limit before attempting concurrent generations.
  • Content moderation applies to both inputs and outputs. Safety-flagged inputs are non-refundable.
  • Be cost-conscious. Help users pick the right model for their budget. Credit cost can be found on https://docs.dev.runwayml.com/guides/pricing/