New Serverless Observability APIs
By Steven Van ·
A batch of endpoints rounds out programmatic access to what the dashboard shows about your serverless apps: GET /v1/serverless/apps — list your deployed…
fal announced New Serverless Observability APIs on August 17, 2026.
What changed
A batch of endpoints rounds out programmatic access to what the dashboard shows about your serverless apps: GET /v1/serverless/apps — list your deployed apps with live state: active runners, queue size, machine types, and environment. Add expand=endpoints to include each app's route-level endpoint ids, in the exact form the requests and analytics APIs accept. GET /v1/serverless/apps/{owner}/{name}/events — operational event history: deployments, configuration changes, and runner lifecycle transitions — the "what changed around this time?" API. Also surfaced in the dashboard's events timeline. GET /v1/serverless/apps/{owner}/{name}/revisions — revision history with deployment status, who deployed, and deploy messages and annotations (the API behind the August 3 entry above) — line revision boundaries up against your error timeline to spot a bad deploy. GET /v1/serverless/apps/{owner}/{name}/runners/history — historical runner counts by state (running, idle, pending, draining) for capacity analysis and incident forensics. Together with the existing requests, logs, analytics, metrics, and usage APIs, these power the new Platform MCP server — and they're plain REST endpoints you can ca