Data and AI releases

548 this month · 176 companies

Billing Headers for WebSocket Endpoints

PricingNot yet verified

Shared WebSocket endpoints can now declare billing on their 101 upgrade response. Set x-fal-billable-units when the unit count is known at connect time. Set x-fal-billable-units-webhook to 1 when the count is only known at the end of the session. Then report the total with POST /requests/billable-units/{request_id} .

Pricing

Read on fal.ai

Also shipped Sep 14, 2026fal in September 2026 →

More from falEvery fal release →

Switch Between App Endpoints in the Dashboard Playground

Deployed Serverless apps now include Testing > Playground in the app dashboard. Select an available endpoint, fill in its generated input form, and run a request without leaving the app. Multi-endpoint apps have one place to test their endpoints, using the existing Playground authentication and billing behavior. Open the guide

Update
Source ↗

Key Presets and Custom Policies

Keys now use permission presets instead of the ADMIN and API scopes. When you create a key, select one of seven presets: API , SERVERLESS , DEPLOY , COMPUTE , BILLING , READONLY , or FULL . If no preset matches your case, select the exact permissions the key needs. You can also limit a key to specific models and set it to expire.

Update
Source ↗

Platform MCP Server

fal's second MCP server , the Platform API MCP , is now available at https://api.fal.ai/v1/mcp/platform . Where the Run MCP lets your AI assistant build with models , this one lets it operate your fal account : connect Claude Code, Cursor, or any MCP-compatible client with your API key and ask "why did my last request to my-app fail?" , your assistant walks...

Update
Source ↗

Rate Limits for Runner and App Management

fal now limits how often you can list, inspect, shell into, stop, and kill apps and runners. The limits apply to the CLI, the Python SDK, and the REST API. When you exceed a limit, the REST API returns 429 Too Many Requests , and the CLI and SDK return the gRPC status RESOURCE_EXHAUSTED . Learn more about the limits

Update
Source ↗

GPU Utilization in Runner Telemetry

Runner telemetry now includes a dedicated GPU Utilization chart alongside the existing CPU, memory, and VRAM charts, so you can see how much compute your GPUs are actually doing -- not just how much memory they hold.

Update
Source ↗

Deploy Messages and Annotations

You can now attach a freeform message and custom annotations to each revision when deploying: Messages and annotations are set at deploy time and stay with the revision. View and search them on the app's Versions page in the dashboard, or fetch them via the revisions API .

Update
Source ↗

Fallback Chains

fal introduced Fallback Chains, allowing requests to configure a primary model and up to two fallback models that trigger automatically on specified errors.

Update
Source ↗

App-Level Retry Configuration

Apps can now register a default per-condition retry budget at deploy time with the new retry_config deployment option, using the same format as the X-Fal-Retry-Config request header. Set it as a class attribute on fal.App or under the app's table in pyproject.toml .

Update
Source ↗